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National Stock Number:
5330-01-022-4327
Federal Supply Class:
5330
National Item Identification Number:
010224327
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:
| 2640-697 PIECE 22 | 96169 | ELECTRIC BOAT CORPORATION | | 2640-697X1 PIECE 22 | 96169 | ELECTRIC BOAT CORPORATION | | 845-1889799 PC 16 | 96169 | ELECTRIC BOAT CORPORATION | | 845-2007673,PC 16 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 845-2007673,PC 16 | 96169 | ELECTRIC BOAT CORPORATION | | 845-2180963 PC 22 | 96169 | ELECTRIC BOAT CORPORATION | | M83248-1-268 | 96169 | ELECTRIC BOAT CORPORATION | | M83248/1-268 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| ELONGATION PERCENTAGE | 125 MAXIMUM | | CENTER HOLE DIAMETER | 8.434 INCHES MINIMUM AND 8.534 INCHES MAXIMUM | | CRITICALITY CODE JUSTIFICATION | ZZZY | | CROSS-SECTIONAL HEIGHT | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM | | HARDNESS RATING | 75.0 SHORE DUROMETER A NOMINAL OVERALL | | MATERIAL | RUBBER FLUOROCARBON CLASS FPM OVERALL | | PERIPHERAL DIAMETER | 8.762 INCHES NOMINAL | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. |
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