NAVY MIL-V-21701 B (2)-1977 VALVE CHECK OXYGEN MASK INLET《吸进氧气面罩连检验阀》.pdf

1、 .- - MIL-V-217LB (i)-Lb k-7fr916 L2Ol3 4 -i. MIL-V-21701B Amendment 2 21 July 1977 Superseding Amendment 1 29 September 1970 I MILITARY SPECIFICATION VALVE, CHECK, OXYGEN MASK, INLET This amendment forms a part of Military Specification MIL-V-21701BY dated 26 March 1969, and is mandatory for use b

2、y ail Departments and Agencies of the Depart- ment of Defense. Page 1 2.1 SPECIFICATIONS - Military: Delete the following: “MIL-B-22205 Bag Transparent, Flexible, -Heat Sealable, for Packaging Applications“. In teri or Pac kag i ng“ . Add the following: Add the following to the bottom of the page: “

3、MIL-B-117 Bags, Sleeves and Tubing, “Beneficial comments (recommendations , additions , deletions) Commanding Officer, Naval and any pertinent data which may be of use in improving this document should be addressed to: Ai r Engineering Center , Attenti on : and Standards Department, Lakehurst, NJ 08

4、733, by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document, or by letter.“ Engineering Speci fi cations Page 3 3.1 “In addition, the retention of the qualification for the vlves on the applicable Qualified Products List shall b

5、e dependent on periodic veri- fication of continued compliance with the requirements of this specifi- cati on (see 4.3.2). I Add the following to the end of the .paragraph: Page 4 4.2 (a) (1) Add the following new paragraph: “(1) Retention of qualification - Retention of qualification consists of pe

6、riodic veri- fication to determine compliance of the qualified product with the re- quirements of this specification (see 3.1, 4.3, 4.3.2)“ /- J FSC 1660 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-V-21701B Amdndment 2 Page 5 4.3.1 sylvania 1

7、8974, Attention: Director, Aerospace Crew Equipment Depart- ment“ and substi tute “Warminster, Pennsylvania 18974, Attention: Code 4041 II. Lines 5 and 6 - Delete “Johnsville, Warminster, Penn- 4.3.2 Retention - Thea retention of qualification shall consist of periodic verification to determine comp

8、liance of the qua- lified valve with the requirements of this specification, the time and method of periodic verification shall be specified by the activity responsible for the Qualified Products List and shall be included in the Notice of Qualification letter.“ Add the following new paragraph: “4.3

9、2 Page 9 Figure 2 Delete and substitute new Figure 2. Page 10 Figure 3 Delete and substitute new Figure 3. Page 11 4.6.4 “Pressure drop“. Line 4, delete “Proof pressure“ and substitute Page 14 4.7.2 Line 5, delete “manometer“ and substi tute “flowmeter“. Page 16 5.1.1 “MIL-B-117, Type II, Class B,

10、Style 2“. Line 6, delete “MIL-B-22205, Type III“ and substitute Page 18 6.4 Delete and substitute the following: “6.4 With respect to products requiring qualification, awards will be made only for products which are at the time set for opening of bids, qualified for inclusion in the applicable Quali

11、fied Products List whether or not such products have actually been so liste- by that date. The attention of suppliers is called to this requirement, 2 of 5 B Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-V-21701B Amendment 2 Page 18 (cont) and

12、manufacturers are urged to arrange to have the products that they propose to offer to the Federal Government, tested for qualification in order that they may be eligible to be awarded contracts or orders for the products covered by this specification. The activity responsible for the Qualified Produ

13、cts List is the Commander, Naval Air Systems Command, Department of the Navy, Washington, DC 20360; however, authori - zation for qualification of products shall be obtained from the Commanding Officer, Naval Air Development Center, Warminster, Pennsylvania 18974, (Code 4041). Frior to submission of

14、 the samples for qualification in- spection, the manufacturer shall submit a request to the Naval Air De- velopment Center (Code 4041) indicating a date on which the samples can be forwarded and also request an authorization number to accompany the camp1 es. I Custodians : Navy - AS Army - AV 3 oF 5

15、 Preparing Activity: Navy - AS (Project No. 1660-0345) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-YIL-V-21701S Amendrnen t 2 .V 7 IE e- - 4 of 5 O 5 +I M F.! 4 a O r( O +I M a G n Fil M Fil u z =4 Fr; Fil GI O b L7 Provided by IHSNot for ResaleN

16、o reproduction or networking permitted without license from IHS-,-,-, O0 orl O0 flIL-V-2L70LB (2) Lb b OL72OL2 b = MIL-V-217OlB Amendman t 2 n 5 of 5 * U. S. GOVERNMENT PRINTING OFFICP 1977 -7og4 . 2 2 .a. . . f- *. .-;.,. ! Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-