The Gasket, cataloged under National Stock Number 5330-00-693-5890, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is General Electric Company. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-693-5890 |
| Primary Part Number | 677B253 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Temp Rating | -85.0 CELSIUS AND 150.0 CELSIUS DEGC |
| Hardness Rating | 35.0 SHORE DUROMETER A MINIMUM AND 45.0 SHORE DUROMETER A MAXIMUM OVERALL |
| Material Document and Classification | A12F5A6,FSCM 09172 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 6.125 INCHES NOMINAL IN |
| Aperture Diameter | 5.625 INCHES NOMINAL IN |
| Material | RUBBER SILICONE CLASS Q OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 677B253 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 1182658 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5330-00-693-5890 is a Gasket, manufactured by General Electric Company, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-693-5890 has 1 manufacturer part number on file: 677B253 (General Electric Company).
Key specifications for 677B253: Temp Rating: -85.0 CELSIUS AND 150.0 CELSIUS DEGC; Hardness Rating: 35.0 SHORE DUROMETER A MINIMUM AND 45.0 SHORE DUROMETER A MAXIMUM OVERALL; Material Document and Classification: A12F5A6,FSCM 09172 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 6.125 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.