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National Stock Number:
5330-01-098-2931
Federal Supply Class:
5330
National Item Identification Number:
010982931
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:
| 10119607 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | M25988/3-134 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MIL-DTL-25988/3 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | MIL-R-25988/3 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| CENTER HOLE DIAMETER | 1.847 INCHES MINIMUM AND 1.877 INCHES MAXIMUM | | COLOR | BLUE | | CROSS-SECTIONAL HEIGHT | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM | | ELONGATION PERCENTAGE | 125 MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-25988,TY 1,CL 1,GR 60 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | RUBBER FLUOROSILICONE CLASS FQ | | PERIPHERAL DIAMETER | 2.068 INCHES NOMINAL | | OUTSIDE DIAMETER | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM |
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