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National Stock Number:
5330-00-862-3080
Federal Supply Class:
5330
National Item Identification Number:
008623080
Description:
PACKING,PREFORMED
Detail:
A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see WASHER (as modified) and GASKET. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see SEAL, NONMETALLIC ANGLE; SEAL, NONMETALLIC CHANNEL; and SEAL, NONMETALLIC, SPECIAL SHAPED SECTION. For circular (with aperature) nonmetallic items with a solid round cross-section see O-RING. Excludes CUP, COMPRESSION; GASKET; WASHER (as modified); and FELT, MECHANICAL, PREFORMED.
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Manufacturer Information:
| 8408983 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE |
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Techincal Specification:
| CENTER HOLE DIAMETER | 3.726 INCHES NOMINAL | | COLOR | BLACK | | CRITICALITY CODE JUSTIFICATION | ADYU | | CROSS-SECTIONAL HEIGHT | 0.468 INCHES NOMINAL | | CROSS-SECTIONAL SHAPE STYLE | SPECIAL | | FLANGED BODY OUTSIDE DIAMETER | 4.432 INCHES MINIMUM AND 4.437 INCHES MAXIMUM | | FSC APPLICATION DATA | RECOIL MECHANISM,HOWITZER 155MM | | HARDNESS RATING | 60.0 SHORE DUROMETER A NOMINAL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-1149,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR OVERALL | | PERIPHERAL DIAMETER | 4.592 INCHES MINIMUM AND 4.595 INCHES MAXIMUM | | RIM SURFACE WIDTH | 0.312 INCHES NOMINAL | | SPECIAL FEATURES | OUTSIDE CORNERS CHAMFERED 0.100 IN.BY 22 DEG |
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