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National Stock Number:
5330-00-720-3486
Federal Supply Class:
5330
National Item Identification Number:
007203486
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:
| 9185052 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| BODY RECESS DEPTH | 0.042 INCHES NOMINAL | | CENTER HOLE DIAMETER | 0.311 INCHES MINIMUM AND 0.313 INCHES MAXIMUM | | CROSS-SECTIONAL SHAPE STYLE | FLANGED | | CROSS-SECTIONAL THICKNESS | 0.057 INCHES MINIMUM AND 0.058 INCHES MAXIMUM | | CROSS-SECTIONAL HEIGHT | 0.151 INCHES NOMINAL | | FLANGED BODY OUTSIDE DIAMETER | 0.185 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-P-77 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | PLASTIC STYRENE OVERALL | | PERIPHERAL DIAMETER | 0.372 INCHES MINIMUM AND 0.374 INCHES MAXIMUM |
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