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National Stock Number:
5330-00-479-4077
Federal Supply Class:
5330
National Item Identification Number:
004794077
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:
| 2640-622PC16 | 96169 | ELECTRIC BOAT CORPORATION | | 75865-46X1PC28 | 96169 | ELECTRIC BOAT CORPORATION | | F20-09573PC18 | 03670 | TYCO FIRE PRODUCTS LP | | 9454-42PC16 | 17062 | P J VALVES INC | | RV51-56ITEM4 | 91816 | CIRCOR AEROSPACE, INC. | | MS28775-119 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| ELONGATION PERCENTAGE | 160 MAXIMUM | | CENTER HOLE DIAMETER | 0.918 INCHES MINIMUM AND 0.930 INCHES MAXIMUM | | CRITICALITY CODE JUSTIFICATION | ZZZY | | CROSS-SECTIONAL HEIGHT | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM | | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL | | PERIPHERAL DIAMETER | 1.130 INCHES NOMINAL | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | TEMP RATING | -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT |
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