DLA A-A-59540-2000 FACE SHIELD NON-BALLISTIC《非防弹面罩》.pdf

1、I INCH-POUND I February 1,2000 A-A-59540 COMMERCIAL ITEM DESCRIPTION FACE SHIELD, NON-BALLISTIC The General Services Administration has authorized the use of this Commercial Item Description for all Federal agencies. 1. SCOPE. This commercial item description covers the requirements for a non-ballis

2、tic face shield to be used by dismounted military personnel. 2. CLASSIFICATION. The non-ballistic face shield shall be of two types and one size for each type. Type I - 0.150 inches thick Type II - 0.250 inches thick 3. SALIENT CHARACTERISTICS. 3.1 General. The non-ballistic face shield, hereafter r

3、eferred to as face shield, shall be the manufacturers commercial product except for any changes necessary to comply with the government requirements. 3.2 Description 3.2.1 Design. The face shield shall be designed to fit over the Personnel Armor System Ground Troops (PASGT) Helmet, MIL-H-44099 (see

4、7.1) and be worn over the M40A1 Mask, Chemical-Biological, Protective, Field, EA-M-1801 (see 7.1). It shall consist of a tilting transparent visor and helmet attachment assembly. Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any data which may improve this docu

5、ment should be sent to: Defense Personnel Support Center, Clothing and Textiles Directorate, Attn: DSCP-COET, 700 Robbins Ave, Philadelphia, PA 19111-5096. AMSC N/A FSC 8465 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59540 3.2.2 Visor. The v

6、isor shall be molded of 0.150 I 0.015 inches for type I and 0.250 - + 0.015 inches for type II of polycarbonate or better material. The visors height shall not be less than 7 1/2 inches or more than 8 inches high and not less than 15 inches interior surface (arc) length. The curvature of the visor s

7、hall be 4 3/4 I 1/4 inch. The visor shall have an internal lip at the top center to provide a positive stop in the down position independent of that provided by the latch mechanism. This is to stop the top edge of the visor above the rim of the helmet to assure the function of the seal. 3.2.3 Visor

8、Attachment Assembly. The visor attachment assembly shall be composed of two pieces. The attachment band that shall be molded of an internally pigmented thermoplastic of appropriate strength and toughness and the attachment webbing strap that hooks to the attachment band. The visor attachment band sh

9、all securely hook over the front rim of the helmet. The webbing strap shall be designed with sufficient adjustments to securely fix the band to all helmet shells. 3.2.4 Visor to Helmet Seal. The attachment band shall have a permanently attached thermoplastic rubber seal or better material. A properl

10、y secured attachment band will ensure that the attachment band does not rub against the exterior of the helmet as the visor is raised and lowered. The forward edge of the seal shall contact the visor in the down position. The seal shall cover an area not less than 60 degrees on each side of the viso

11、r when centered on the nose and shall prevent any liquid penetration between the helmet and visor when the visor is in the down position. 3.2.5 Latch Assembly. The latch and stop components shall be molded of an internally pigmented thermoplastic of appropriate strength and toughness equal to or bet

12、ter than the polycarbonate material. The latch shall secure the visor in both the up (stored) and down (use) positions. When in the up position the visor shall not impede the users visibility and it shall be secured so that the user is able to run without having the visor dropping. The latch shall b

13、e transferable between right and left-hand positions without the use of tools. The user must be able to operate the latch and it shall be easy to operate the latch and raise or lower the visor with one single gloved hand. In the event that the visor is wrenched or impacted severely, the latch shall

14、disengage in order to minimize neck injury. 3.2.6 System Weight. The weight of the face shield system shall not exceed the following: Type I - 1.2 pounds Type II - 1.5 pounds 3.2.7 System Interface Requirements. The face shield will be capable of being used with current weapons, clothing, and equipm

15、ent normally, carried, worn, or used when the user is carrying the mission. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59540 3.2.8 Instructions. An instruction sheet shall be provided, which, at minimum, includes instructions on how to ass

16、emble the face shield if assembly is required, maintenance, precautions, storing and cleaning procedures. 3.3 Materials: 3.3.1 Protective Treatment. Materials that are subject to corrosion in oxygen, salt air, ultraviolet or any other atmospheric conditions likely to occur during service usage shall

17、 be protected against such elements to minimize the corrosioddegradation effect of the item. Any protective coating that will crack, chip, or scale with age or extremes of atmospheric conditions shall not be used. 3.3.2 Visor Material. The visor material shall be polycarbonate or better material wit

18、h notched Izod impact strength values between 11.3-17.0 ft-lb/in when tested in accordance with ASTM D256, Plastics, Determining the Izod Pendulum Impact Resistance of (see 7.2). 3.3.3 Resistance to Temporary or Permanent Optical Degradation. Maximize the resistance to scratching, abrasion, and fogg

19、ing so as to minimize interference with vision. Initial haze shall conform to ANSI 287.1, Protection, Eye bubbles or other inclusions within the visor, visor/helmet leakage, rough or sharp edges, torn webbing, a visor with haze or cloudiness; any serious material defects, distorted parts or other ev

20、idence of poor workmanship; any component part omitted; any items not packaged in accordance with the contract or purchase order. 5.2 Acceptance Criteria. Acceptance criteria shall be as specified in the contract or purchase order. 6. PACKAGING. 6.1 Preservation, packing, and marking. The preservati

21、on, packing, and marking shall be as specified in the contract or order. 7. NOTES. 7.1 Source of Government documents. Copies of military and Federal documents are available from: For (PASGT) Helmet, MIL-H-44099 and FED STD 662 Standardization Documents Order Desk Bldg. 4D 700 Robbins Avenue Philade

22、lphia, PA 19 1 1 1-5094 For M40A1 Mask, Chemical-Biological, Protective, Field, EA-M- 180 i U.S. Army Edgewood Research, Development and Engineering Center Aberdeen Proving Ground, MD 2 1 O 10-5423 Attn: SCBRD-ENE-S 7.2 Source of non-Government documents For ASTM D256 ASTM Test Methods (Applications

23、 for copies should be addressed to American Society For Testing and Materials, 100 Barr Harber Drive, West Conshohocken, PA 19428-2959.) 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59540 For ANSI Z 87.1 American National Standards Institute

24、 (ANSI) Test Methods (Applications for copies should be addressed to American National Standards Institute 1 1 West 42nd Street, New York, New York 10036 7.3 Products known but not limited to meet this CID Tactical & Survival Specialties Inc. 1832 South Main Street Harrisonburg VA 2280 1 Product name: Type I - DK5H150 Type II - DK5H250 MILITARY INTERESTS : Custodians Army - GL CIVIL AGENCY COORDINATING ACTIVITY: GSA-FSS PREPARING ACTIVITY: DLA-CT Project Number 8465-0290 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-