DLA A-A-59440 3 B-2012 COCK-VALVE DRAIN SPRING KEY BRASS 50 PSI WATER OIL AND GAS (WOG) NPTF-1 THREADS.pdf
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1、AMSC N/A FSC 4820 A-A-59440/3B 21 May 2012 SUPERSEDING A-A-59440/3A 23 May 2005 COMMERCIAL ITEM DESCRIPTION SPECIFICATION SHEET COCK-VALVE, DRAIN, SPRING KEY, BRASS, 50 PSI, WATER, OIL, AND GAS (WOG), NPTF-1 THREADS The General Services Administration has authorized the use of this commercial item d
2、escription for all federal agencies. The complete requirements for procuring the cock-valve, drain, spring key, brass, 50 psi, water, oil, and gas (WOG), NPTF-1 threads described herein shall consist of this document and the issue in effect of A-A-59440. CLASSIFICATION/PART OR IDENTIFICATION NUMBER
3、(PIN). This commercial item description (CID) specification sheet uses a classification system which is included in the PIN as shown in the following example (see NOTES). SALIENT CHARACTERISTICS. Interface and physical dimensions. Cock-valves, drain, spring key, brass, 50 psi, water, oil, and gas (W
4、OG), NPTF-1 threads supplied to this CID specification sheet shall be as specified herein (see figure 1). Sizes. Nominal sizes of 1/8 inch through 3/8 inch with NPTF-1 threads. Intended application. These items are for use in liquid or gas systems where the pressure does not exceed 50 psi (3.45 bar)
5、 at 150F (65.6C) and the liquid is compatible with brass. Spring material is phosphor bronze, carbon steel, or corrosion resistant stainless steel (CRES) (see figure 1). Permissible variations in dimensions. Figure 1 lists the permissible variation in dimensions for each size. The external dimension
6、s of the cock-valve should not limit procurement unless the end item applications restrict these dimensions. Optional designs. Figure 1 is for identification purposes only and is not intended to restrict designs or shapes not dimensioned. INCH-POUND AA59440 /03 - 011 I I I _I_ _I_ _I_ CID number App
7、licable Dash number CID spec sheet (see figure 1) (two digits) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59440/3B 2 Threads. Threads are dryseal NPTF-1 in accordance with A-A-59440. Material. Material body, handle, stem, and screw. Body, ha
8、ndle, stem, and screw shall be brass in accordance with the following commercial standards: ASTM B16/B16M ASTM B121/B121M ASTM B427 SAE AMS4845 ASTM B22 ASTM B124/B124M ASTM B505/B505M SAE AMS4855 ASTM B30 ASTM B148 ASTM B584 SAE AMS4860 ASTM B36/B36M ASTM B176 ASTM B763 SAE AMS4862 ASTM B61 ASTM B2
9、71 ASTM B770 SAE AMS4890 ASTM B62 ASTM B369 ASTM B806 Carbon steel. Cast, forged, or machined carbon steel shall be in accordance with QQ-S-698. Spring material. Spring material as specified by the corresponding dash number in figure 1 and shall be in accordance with one of the following: a. Phospho
10、r bronze in accordance with ASTM B134/B134M, ASTM B159/B159M, or ASTM B206/B206M alloy number 510. b. Carbon steel in accordance with ASTM A227/A227M or ASTM A229/A229M. c. Corrosion resisting steel in accordance with ASTM A313/A313M, composition 302, 304, 305, 316, condition B spring temper. Spring
11、 finish. a. Phosphor bronze: None. b. CRES: None. c. Carbon steel: (1) Cadmium in accordance with SAE-AMS-QQ-P-416, type II, class 2. (2) Zinc in accordance with ASTM B633, type II, 12.7 m (50 microinches) minimum. Phosphor bronze springs. Phosphor bronze springs when specified are used to avoid pos
12、sible spark and explosion. Caution: Cadmium shall not be used in potable water or oxygen systems. Brass shall not have any lead contents. Test pressures. a. Shell: 80 psig (5.12 bar). b. Seat: 10 psig (0.69 bar). Provided by IHSNot for ResaleNo reproduction or networking permitted without license fr
13、om IHS-,-,-A-A-59440/3B 3 Dash Number Spring Material A Pipe thread NPTF-1 B max (mm) C max (mm) D diameter min (mm) F max (mm) G across flats .015 (0.38 mm) 1/ 011 Phosphor Bronze 1/8-27 1.75 (44.7) 1.91 (48.5) .16 (4.1) 1.00 (25.4) .44 or .50 (11.2 or 12.7) 012 Phosphor Bronze 1/4-18 1.88 (47.6) 2
14、.47 (62.7) .19 (4.8) 1.22 (31.0) .56 or .62 (14.2 or 15.7) 013 Phosphor Bronze 3/8-18 2.75 (69.9) 2.97 (75.4) .23 (5.8) 1.50 (38.1) .69, .75 or .88 (17.5, 19.1, or 22.4) 015 2/ CRES 1/4-18 1.88 (47.6) 2.47 (62.7) .19 (4.8) 1.22 (31.0) .56 or .26 (14.2 or 15.7) 016 2/ Carbon Steel (cadmium plated) 01
15、7 2/ Carbon Steel (zinc plated) 1/ Hexflat measurement. Hexagonal hex flats can be a standard wrench pad. 2/ Caution: If other than phosphor bronze spring is used be aware of possible spark and explosion. FIGURE 1. Cock-valve, drain, with hose bib. Provided by IHSNot for ResaleNo reproduction or net
16、working permitted without license from IHS-,-,-A-A-59440/3B 4 NOTES. 1. Dimensions are in inches. 2. Metric equivalents are given for information only. 3. Unless otherwise specified tolerances are .010 inch (0.25 mm). 4. Diameter of hole shall be adequate to allow drainage through the valve. FIGURE
17、1. Cock-valve, drain, with hose bib - Continued. NOTES. PIN. The PIN should be used for Government purposes to buy commercial products to this CID specification sheet. See the classification section for PIN format example. Source of documents. FEDERAL SPECIFICATION QQ-S-698 - Steel, Sheet and Strip,
18、 Low Carbon COMMERCIAL ITEM DESCRIPTIONS A-A-59440 - Cock-Valves and Valves, General Requirements for (Copies of these documents are available online at https:/assist.daps.dla.mil/quicksearch/ or from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-50
19、94.) Other Publications ASTM INTERNATIONAL ASTM A313/A313M - Stainless Steel Spring Wire ASTM A227/A227M - Steel Wire, Oil-Tempered for Mechanical Springs ASTM A229/A229M - Steel Wire, Cold-Drawn for Mechanical Springs ASTM B16/B16M - Free-Cutting Brass Rod, Bar and Shapes for use in Screw Machines
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