1、I , MIL-L-46075A 80 W 777770b 0307554 2 W , .I t 3- i. - .i . -.- L -4 I .- %_ I MIL: L-46075A (MR) - 29 September 1971 SU PI: RSED IKG MIL-L-46075 (MR) 10 December 1963 MILITARY SPEC IF1 CATION LACQUER, RED (FOR AMMUNITION PRIMERS) 1. SCOPE 1.1 This specification covers one grade of red lacquer for
2、 application over the foil and anvil of ammunition primer after anvil seating operation. It can be used in areas covered by AIR POUuTIOIi REGULATIONS. 2. APPLICABLE DOCUMENTS 2.1 The following documents of the issue in effect on the date of invi- tation for bids or request for proposal form a part o
3、f this specification to the extent specified herein. SPECIFICATIONS FEDERAL TT-P-143 - Paint, Varnish, Lacquer and Related Materials; Packaging, Packing and Marking of. FEDERAL Fed. Test Method Std. No. 141 - Paint, Varnish, Lacquer and Related Materials; Methods of Inspection, Sampling and Testing.
4、 (Copies of specifications and standards required by contractors in connec- tion with specific procurement functions should be obtained from the pro- curing agency or as directed by.the contracting officer.) c. I -. r Provided by IHSNot for ResaleNo reproduction or networking permitted without licen
5、se from IHS-,-,-k I L-L-46075A(MR) 3. REQUIREMENTS 3.1 Com o,ition. The lacquer shall be nitrocellulose combined with a red azo- if the drying has been carried too far it may be necessary to use 4 ml. of acetone. If it will not dissolve in 4 ml. of acetone, discard and start with a new sample. Add 2
6、7 ml. of ethyl alcohol and insert a magnetic stirring bar. While stirring vigorously, add water from a buret or pipet slowly at first until the resin precipitates, then continue until the flask is filled. Allow the precipitated nitrocellulose to settle, then filter through a large, 50 ml. fritted gl
7、ass crucible of medium porosity, transferring and washing with water. Dry the crucible in an oven at 105“C., cool and weigh, calcu- lating directly as nitrocellulose. Confirm that the precipitate is nitro- cellulose by placing a small portion on a white porcelain plate and treating with a few drops
8、of 1 percent diphenylamine in concentrated sulfuric acid. A deep blue color confirms the presence of nitrocellulose. Evaporate the 4.4.5 Condition in container. Determine package condition in accordance with method4261 of Federal Standard 141 and observe for compliance with 3.3.1. 5. PREPARATION FOR
9、 DELIVERY 5.1 Packaging and packing. The lacquer shall be delivered in 1 gallon containers, 5 gallon lug covered steel pails or in 55 gallon steel drums as specified (see 6.2). The lacquer shall be packaged level A or C; packed 5 level A, 8, or C as specified (see 6.2) in accordance with TT-P-143. 5
10、.2 Harkin . The containers shall be marked in accordance with Specifi- cation _e TT-P-1 3. 6. NOTES 6.1 Intended use. The lacquer covered by this specification is intended as a sealer for small arms ammunition primers. 6.2 Ordering data. Purchasers should exercise any desired options offered herein
11、and procurement documents should specify the following: (a) (b) (c) Size of container required (see Section 5). (d) Title, number and date of this specification. Whether inspection will be made in accordance with section 1031 of Federal Standard 141 (see 4.2). Level of packaging and packing requi re
12、d (see Sect ion 5). 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-+-*, MIL-L-6075A 80 m 7979706 0307558 T II HI L-L-46075A (HR) 6.3 The lacquer should be purchased by volume, the unit being one U.S. lhe lacquer is contemplated to be comparable to
13、 the following approxi- liquid gallon of 231 cubic inches at 15.6“C. (6OOF.). 6.4 mate composition by weight. However, the Government assumes no responsibility for the acceptance of a product claimed to be manufactured under the identical fo rmu 1 a. Red Lacquer 30-40 second R.S. Nitrocellulose (70% in denatured 1.4 lbs. alcohol SD No. 1) 25.0 lbs. N-butyl acetate 74.0 lbs. Ethyl acetate 40 grams Red azo dye Military Custodian: Army - MR Preparing activity: Army - MR (Project No. 8010-AO1 1) 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
