5330-00-021-3776
Preformed Packing
5330000213776 000213776 C3121-5 B5SR725-80
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. View more Preformed Packing
November 2023
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Marketplace 5330-00-021-3776
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Restrictions 5330-00-021-3776
5330-00-021-3776 is a Preformed Packing that does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. Demilitarization of this item has been confirmed and is not currently subject to changes. This item is considered a low risk when released from the control of the Department of Defense. The item may still be subject to the requirements of the Export Administration Regulations (EAR) and the Code of Federal Regulations (CFR). This item may be hazardous as it is in a Federal Supply Class for potentially hazardous items. A MSDS should be available from the supplier for the end user to evaluate any hazards. This item does not contain a precious metal.
Approved Sources 5330-00-021-3776
- Part Number
- Manufacturer
- Status
- C3121-5
- Manufacturer
- 81755 - Lockheed Martin Corporation (Active)
- Primary Buy
- Primary Buy
- B5SR725-80
- 95272 - Stillman Seal Corporation (Active)
- Primary Buy
- Primary Buy
- B5SR725-80
- SW461 - Hutchinson Seal De Mexico Stillman (Active)
- Secondary Buy
- Secondary Buy