1、MIL-F-51591 Y2 W 7777706 0235Li23 2 W 14 December 1988 SUPERSEDING (See section 6) MILITARY SPECIFICATION FILTER, GAS, FFU-17/E, 600 CFM This specification is approved for use within the Chemical Research, Development and Engineering Center, Department of the Army, and is available for use by all De
2、partments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers one type of gas filter. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications and standards. The following specifications and stan- dards form a part of this specification to the exten
3、t specified herein. Unless otherwise specified, the issues of these documents shall be those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation. SPECIFICATIONS FEDERAL BB-F-1421 - Fluorocarbon Refrigerants
4、. MILITARY MIL-C-13724 - Charcoal, Activated Impregnated, ASC. MIL-B-117 - Bag, Sleeve and Tubing - Interior Packaging. MIL-B-131 - Barrier Materials, Watervaporproof, Greaseproof, Flexible, Heat-Sealable. : Beneficial comments (recommendations, additions, deletions) and any perti- : : nent data whi
5、ch may be of use inimproving this document should be addressed: : to: Commander, U.S. Army Chemical Research, Development and Engineering : : Center, ATTN: SMCCR-SPT-S, Aberdeen Proving Ground, MD 21010-5423 by using: : the self-addressed Standardization Document Improvement Proposal (DD Form : : 14
6、26) appearing at the end of this document or by letter. FSC 4240 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. THIS DOCUMENT CONTAINS !q PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-SL54L 42 M 97979
7、Ob O235424 4 m MIL-F-51541(EA) STANDARDS FEDERAL FED. TEST METHOD STD. NO. 101 - Test Procedures for Packaging Materials. MILITARY MIL-STD-105 - Sampling Procedures and Tables for Inspection by MIL-STD-414 - Sampling Procedures and Tables for Inspection by MIL-STD-282 - Filter Units, Protective Clot
8、hing, Gas Masks Components Attributes. Variables for Percent Defective. and Related Products, Performance Test Methods. 2.1.2 Drawings. The following drawings form a part of this specification to the extent specified herein. Unless otherwise specified, the issues shall be those in effect on the date
9、 of the solicitation. DRAWINGS U.S. ARMY ARMAMENT, MUNITIONS AND CHEMICAL COMMAND CHEMICAL RESEARCH, DEVELOPMENT AND ENGINEERING CENTER 5-19-6505 - Filter, Gas, FFU-17/E0 SPECIAL, PACKAGING INSTRUCTIONS (SPI) P5-19-6505 - Filter, Gas. (Copies of specifications, standards, and drawings required by co
10、ntractors in connection with specific acquisition functions should be obtained from the con- tracting activity or as directed by the contracting activity.) 2.2 Publications. The following document forms a part of this specification to the extent specified herein. Unless otherwise specified, the issu
11、es of the documents which are DOD adopted shall be those listed in the issue of the DODISS specified in the solicitation. Unless otherwise specified, the issues of documents not listed in the DODISS shall be the issue of the nongovernment documents which is current on the date of the solicitation. A
12、MERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) D 2867 - Moisture Content of Activated Carbon. (Applications for copies should be addressed to ASTM, 1916 Race Street, Philadelphia, PA 19103.) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-F-
13、SLSLIL 42 7777906 0235425 b (Nongovernment standards and other publications are normally available from the organizations which prepare or which distribute the documents. These docu- ments also may be available in or through libraries or other informational ser- vices. ) 2.3 Order of precedence. In
14、the event of a conflict between the text of this specification and the references cited herein (except for associated detail specifications, specification sheets or MS standards), the text of this specification shall take precedence. Nothing in this specification, however, shall supersede applicable
15、 laws and regulations unless a specific exemption has been obtained. 3 . REQUIREMENTS 3.1 Materials and components. 3.1.1 Materials. All materials cited on Drawing 5-19-6505 and subsidiary drawings shall conform to the specifications listed thereon or to the specific characteristics set forth on the
16、 drawings. . 3.1.2 Components. All components for the gas filter shall conform to the specifications and drawings listed on Drawing 5-19-6505 and subsidiary draw- ings. 3.1.2.1 Terne steel parts. Terne steel parts shall be recoated after per- forating operations. 3.2 Manufacture and assembly. The ga
17、s filter shall be assembled and marked in accordance with Drawing 5-19-6505 (see 6.3). 3.3 Moisture content of charcoal sorbent. The moisture content of the char- coal sorbent in the filter shall not exceed 2.0 percent when tested as speci- fied in 4.4.4.1. 3.4 Leakage. The gas filter shall not leak
18、 when dichlorodifluoromethane (R-12) conforming to type 12 of BB-F-1421 is introduced at the influent side of the filter as specified in 4.4.4.2 at the following parameters: Airflow rate R-12 influent concentration Airstream relative humidity Airstream temperature 120 + 10 cfm 1000-v ppm O to 30 per
19、cent 75 + 5OF - A leak is defined as the detection of more than 1 volume part per million (V ppm) at the effluent side of the filter within 2 minutes after the introduction of R-12. 3.5 Airflow resistance. The airflow resistance of the filter shall not exceed 1.25 inches of water at a 600 cubic feet
20、 per minute (cfm) airflow when tested as specified in 4.4.4.3. 3 Y Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-51541 42 99749Ob 023542b B 3.6 Airflow resistance and dimethylmethylphosphonate (DMMP) gas life after rough handling. 4.4.4.6 the
21、 filter shall show no evidence of cracks, dents or charcoal granule leakage. The filter shall comply with airflow resistance requirements (3.5) and the DIIMP gas life shall be no less than 35 minutes when tested in accor- dance with 4.4.4.4 at the following test parameters: After the filter has been
22、 rough handled in accordance with Airflow rate Airs t r eam temper ature DIfiiP influent concentration DIiIE break concentration 600 -i- 30 cfm 110 7 5F 5.0 T 0.1 mg/i O. 04g/ 1 The Dz4hP gas life is defined as the time from the introduction of DMMP at the influent side of the filter to the detectio
23、n of the specified break concentra- tion at the effluent side of the filter. 3.7 Cyanogen chloride (CK) gas life of charboal sorbent. After completion o all manufacturing steps, the gas filters charcoal shall comply with the CK gafi sorbent requirement of MIL-C-13724 for grade IV unaged charcoal whe
24、n tested in accordance with 4.4.4.5. 3.8 Preproduction. Prior to the start of regular production, a preproduc- tion lot of gas filters of the same type shall be produced in accordance with this specification for examination and test (see 4.3). 3.9 Workmanship. The filter shall be free from foreign m
25、atter such as dirt, grease, oil, or viscous material or damage such as cracked or distorted frame or torn cloth. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the con- tract or purchase order, the contractor is responsible for the performance of all
26、 inspection requirements as specified herein. in the contract or purchase order, the contractor may use his own or any other Eacilities suitable for the performance of the inspection requirements speci- fiad herein, unless disapproved by the Government. right to perform any of the inspections set fo
27、rth in the Specification where such inspections are deemed necessary to assure supplies and services conform LO prescribed requirements. Except as otherwise specified The Government reserves the 4.1.1 Responsibility or compliance. All items must meet all requirements o% sections 3 and 5. The inspect
28、ion set forth in this specification shall become a part of the contractors overall inspection system or quality program. The abeence of any inspection requirements in the specification shall not relieve the contractor of the responsibility of assuring that all products or supplies submitted to the G
29、overnment for acceptance comply with all require- mente of the contract. misfiion o known defective material, either indicated or actual, nor does it commit: the Government to acceptance of defective material. Sampling in quality conformance does not authorize sub- 4 Provided by IHSNot for ResaleNo
30、reproduction or networking permitted without license from IHS-,-,-MIL-F-51541 42 W 7779906 0235427 T I (d) CK gas life of charcoal sorbent. A sample specimen of charcoal sorbent (approximately 1 pound) shall be taken during the filling of each fil- ter in the preproduction lot. Each sample specimen
31、shall be placed in a bag made of one layer of fines cloth (used in the manufacture of the filter), and shall accompany its respective filters to the packaging step. The samples 4.1.2 Objective evidence. The contractor shall provide objective evidence acceptable to the contracting officer that the re
32、quirements of 3.1 and section 5 for which specific inspection has not been provided in this specification have been satisfied. shall then be packaged separately in air-tight containers. . 4.1.3 Government responsibility. Unless otherwise specified, the Government will be responsible for performance
33、of the tests specified in 4.4.4.4 and 4.4.4.5. Samples will be forwarded to the laboratory designated by the con- tracting officer (see 6.2). 4.2 Classification of inspections. The inspection requirements specified herein are classified as follows: (a) Preproduction inspection (see 4.3) (b) Quality
34、conformance inspection (see 4.4) 4.3 Preproduction inspection. 4.3.1 Lotting. A preproduction lot of four packaged filters and one empty sample unit pack container shall be manufactured in accordance with this speci- fication using the same methods, materials, equipment and processes as will be used
35、 during regular production. 4.3.2 Sampling. a . 4.3.2.1 For examination. Each filter in the preproduction lot shall be examined in accordance with 4.3.3.1. 4.3.2.2 For nondestructive tests. (a) Airflow resistance. Each filter in the preproduction lot shall be tested for airflow resistance. (b) R-12
36、leakage. Each filter in the preproduction lot shall be tested for R-12 leakage. (c) Moisture content of charcoal sorbent. A sample of charcoal (25 grams) shall be taken during the filling of each filter in the preproduction lot. Each sample shall be placed in a bag made from one layer of fines cloth
37、 (used in the manufacture of the filter), and shall experience the same condi- tions that its respective filter experiences until the filter is sealed into the required barrier bag. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-flIL-F-5I541 42 m
38、9999906 0235428 I = (e) Unit pack container leakage test (SPI P5-19-6505). Each filter packaged in the required barrier bag shall be tested for container leakage in accordance with 4 . 4.4 . 7 . - 4.3.2.3 Por destructive tests. (a) Airflow resistance and DMMP gas life after rough handling. Four filt
39、ers shall be tested for airflow resistance and DMMP gas life after rough handling . (b) Heat seal seam separation test. The empty unit pack container bag from the preproduction lot shall have four representative heat seal seam specimens randomly selected from it for testing in accordance with 4.4.4.
40、8. 4.3.3 Inspection procedure. 4.3.3.1 For examination. Each packaged filter shall be examined for the defects listed in the classification of defects. 4.3.3.2 For nondestructive tests. (a) Airflow resistance. Airflow resistance testing shall be per- ormd in accordance with 4.4.4.3. (b) R-12 leakage
41、. R-12 leakage testing shall be performed in accor- dance with 4.4.4.2. (c) Moisture content. Determination of moisture content shall be in accordance with 4.4.4.1. This test shall be performed immediately after the unit pack container leakage test has been successfully completed for the filter repr
42、esented by the sample. (d) CK gas life of charcoal sorbent. Charcoal samples shall be tested in accordance with 4.4.4.5. (e) Unit package container leakage test (SPI P5-19-6505). Each filter sealed in the required barrier bag shall be tested in accordance with 4.4.4.7. 4.3.3.3 For destructive tests.
43、 (a) Airflow resistance and DMMJ? gas life after rough handling. After rough handling in accordance with 4.4.4.6, sample filters shall be tested for airflow resistance and DMMP gas life in accordance with 4.4.4.3 and 4. 4.4.4. (b) Heat seal seam separation test. The four representative heat seal sea
44、m specimens shall be tested in accordance with 4.4.4.8. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-F-515L 42 m 7779706 0235427 3 4.3.4 Acceptance/rejection criteria. The preproduction lot shall comply with all requirements of this specificat
45、ion when examined and tested in accor- dance with 4.3.3 to be acceptable. The contractor shall obtain written approval from the contracting officer prior to proceeding with regular produc- tion. 4.4 Quality conformance inspection. 4.4.1 Lotting. A lot shall consist of the filters produced by one man
46、ufac- turer, at one plant, from the same materials, and under essentially the same manufacturing conditions. However, no more than one lot of charcoal sorbent shall be represented in any one lot of finished filters. 4.4.2 Sampling. 4.4.2.1 For examination. Sampling shall be conducted in accordance w
47、ith MIL-STD-105. 4.4.2.2 For nondestructive tests. (a) Airflow resistance. Each filter shall be tested for airflow resistance. (b) R-12 leakage. Each filter shall be tested for R-12 leakage. (c) Moisture content. A sample of charcoal (25 grams) shall be taken during the filling of each filter. Each
48、filter shall be placed in a bag made from one layer of fines cloth (used in the manufacture of the filter), and shall experience the same conditions that its respective filter experiences until the filter is sealed into the required barrier bag during packaging. (d) CK gas life of charcoal sorbent.
49、A sample specimen of charcoal sorbent (approximately 1 pound) shall be taken during the filling of four fil- ters, chosen at random. Each sample specimen shall be placed in a.bag made of one layer of fines cloth (used in the manufacture of the filter), and shall accompany its respective filter to the packaging step. The samples shall then be packaged separately in an air-tight container (see 6.7). (e) Unit pack container leakage test (SPI P5-19-6505). E
