DOD A-A-54891-1993 PLUG EAR HEARING PROTECTION TRIPLE FLANGE《三边缘听力保护耳塞》.pdf

1、A-A-549L m 9999974 OL44SOO 377 m I METRIC 1 16 July 1993 A-A-54 8 9 1 COMMERCIAL ITEM DESCRIPTION PLUG, EAR, HEARING PROTECTION, TRIPLE FLANGE The General Services Administration has authorized the use of this Commercial Item Description as a replace- ment for Military Specification MIL-P-36714B, wh

2、ich is cancelled. This Commercial Item Description covers the requirements for triple flange ear plugs suitable for attenuating high intensity noises. Salient characteristics: Classification. Ear plugs shall be classified according to size and color coded as follows: Size Color Code Regular (Medium)

3、 International Orange Small Green Large Blue Material. Ear plugs shall be fabricated from non-toxic, non-allergenic, sterilizable vulcanized silicone elastomer. The plugs shall be resistant to ear wax, alcohol, skin oils, and common detergents. Each size plug shall be color coded as specified. Each

4、finished ear plug shall conform to the following physical requirements: Tensile Strength 500 psi Ultimate elongation 600 percent Hardness (Shore Durometer) 20 2 2 AMSC N/A FSC 6515 DISTRIBUTION STATEMENT A: Approved for public release; 0 distribution is unlimited. Licensed by Information Handling Se

5、rvicesA-A-54891 = 9999974 OL44OL 203 A-A-54 8 9 1 Style, desian and dimensions. The ear plugs shall be of the size as specified, and shall comfortably fit small, medium or large ear openings as applicable. When properly placed in the ear openings, the ear plugs shall attenuate high noise levels to a

6、 comfortable level. Style, design, and dimensions shall be in accordance with Figure 1. Performance. Sound attenuation. When tested in accordance with ANSI S3- 19, the mean sound attenuation shall exceed the following minimum values. Freauency (Hzl 125 250 500 1000 2000 3150 4000 6300 8000 Attenuati

7、onfdBl 22 24 29 30 33 38 41 40 41 Standard deviation 3 3 3 3 3 3 3 3 3 Resistance to temperature. The ear plugs shall show no visible signs of cracks or other damage, and shall retain their noise attenuation properties when subjected to a temperature range of -10 to 120 degrees centigrade. Resistanc

8、e to volume chanqe. When immersed for twenty four hours at 70“F, the percentage change in volume of elastomeric material in 93 percent (by weight) ethyl alcohol, oil percent (by weight) sodium hydroxide or light mineral oil shall not exceed 10 percent. Identification markinq. Each ear plug shall be

9、colored and marked with a single letter indicating size as follows: Medium (M) International Orange Small (S) Green Large (L) Blue Workmanship. The ear plugs shall be free from defects which detract from their appearance or impair their serviceability. They shall be free from objectionable odor at t

10、he time of delivery, and shall not develop an obnoxious odor during storage and use. 2 Licensed by Information Handling ServicesA-A-54891 9999974 0144902 14T A-A-54 8 9 1 Unit. Package (PG). One package containing 24 ear plugs of one size only as specified, constitutes one unit. QUALITY ASSURANCE PR

11、OVISIONS. Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the contractor is responsible for the performance of all inspection requirements as specified herein. purchase order, the contractor may use his own or any facilities suitable for the performance o

12、f the inspection requirements specified herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in the specification where such inspection are deemed necessary to assure supplies and services conform to prescribed requirements. Exce

13、pt as otherwise specified in the contract or Records. Records of examinations and tests performed by or for the contractor shall be maintained by the contract-or and made available to the Government upon the Governments request, at any time, or from time to time, during the performance of the contra

14、ct and for a period of three years after delivery of the supplies to which such records relate. Inspection. Inspection, as used herein, is defined as both examination (such as visual or auditory investigation without the use of special laboratory appliances or procedures) and testing (determination

15、by technical means of physical and chemical properties) of the item. O Tests. Tests shall be conducted to determine compliance with specification requirements. Where feasible, the same sample shall be used for determination of two or more test characteristics. Samplina for tests. Sampling for tests

16、shall be conducted in accordance with MIL-STD-105 and as specified. level shall be S-1, and acceptance number shall be zero. Inspection Contractor certification. maintain substantiating evidence that the product offered meets the salient characteristics of this Comercial Item Description, and that t

17、he product conforms to the producers own drawings, specifications, standards, and quality assurance practices. The government reserves the right to require proof of such conformance prior to first delivery and thereafter as may be otherwise provided for under the provisions of the contract. The cont

18、ractor shall certify and 3 Licensed by Information Handling ServicesA-A-54891 9999974 0144903 086 m A-A-5 4 8 9 1 Metric riroducts. Products manufactured to metric dimensions will be considered on an equal basis with those manufactured using inch-pound units, providing they fall within the tolerance

19、 specified using conversion tables contained in the latest revision of Federal Standard No. 376, and all other requirements of this document are met. If a product is manufactured to metric dimensions and those dimensions exceed the tolerances specified in the inch-pound units, a request should be ma

20、de to the contracting officer to determine if the product is acceptable. The contracting officer has the option of accepting or rejecting the product. Reaulatorv requirements. Federal Food, Druq, and Cosmetic Act. If the product covered by this document has been determined by the U.S. Food and Drug

21、Administration to be under its jurisdiction, the offeror/contractor shall comply, and be responsible for compliance by its subcontractors/suppliers, with the requirements of the Federal Food, Drug and Cosmetic Act, as amended, and regulations promulgated thereunder. In addition, the offeror/contract

22、or shall comply, and be responsible for compliance by its subcontractors/suppliers, with the requirements of all other applicable Federal, State, and local statutes, ordinances, and regulations. to use recovered material in accordance with Federal Acquisition Regulation Subpart 23.4 to the maximum e

23、xtent practical. Preservation, packaqina, ri ackinq, labelinq, and markinq. Unless otherwise specified, preservation, packaging, and packing shall be to a degree of protection to preclude damage to containers and/or contents thereof under normal shipping conditions, handling, etc., involving shipmen

24、t from the supply source to the receiving activity, plus reshipment from receiving activity and shall conform to applicable carriers rules and regulations. Intermediate and exterior package quantities and labeling and marking shall be as specified in the contract and/or order. Orderina data. labelin

25、g and marking must be specified in the contract and/or order. Recovered materials. The offeror/contractor is encouraged Intermediate/exterior package quantities and 4 Licensed by Information Handling ServicesA-A-54891 9999974 0344904 TL2 = A-A-54 8 9 1 NOTE: The following National Stock Numbers, Siz

26、es, and Item Identifications, are covered by this document: NATIONAL STOCK NUMBER SIZE ITEM IDENTIFICATION 6515-00-442-4818 Medium PLUG, EAR, Hearing Protection, (Regular) International Orange, Triple Flange, 24s Green, Triple Flange, 24s 6515-00-442-4821 Small PLUG, EAR, Hearing Protection, 6515-00

27、-467-0092 Large PLUG, EAR, Hearing Protection, MILITARY INTERESTS: Preparing Activity: Blue, Triple Flange, 24s I Custodians: DoD-MB Army - MD Navy - MS Air Force - 03 CIVIL AGENCY COORDINATING ACTIVITIES: VA-OSS F DA-MP QAS USPHS Agent: DLA-DM Project Number: 6515-5466 Location: c:worddocgandhiplugcid 5 Licensed by Information Handling ServicesA-A-54891 m 9999974 0144905 959 m v, w z e a - LJ O z G w 5 I *- uI Licensed by Information Handling Services