The Gasket, cataloged under National Stock Number 5330-01-041-9671, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Grimes Aerospace Company. Government technical data includes 8 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-041-9671 |
| Primary Part Number | 31-1493-1 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| Material Document and Classification | FAIRPRENE/SR5520A FSCM 90056 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 3.125 INCHES NOMINAL IN |
| Aperture Diameter | 2.500 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 2.734 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC OVERALL |
| Hole Diameter | 0.144 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| 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 |
|---|---|
| 31-1493-1 PRIMARY | Grimes Aerospace Company (USA) |
NSN 5330-01-041-9671 is a Gasket, manufactured by Grimes Aerospace Company, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-041-9671 has 1 manufacturer part number on file: 31-1493-1 (Grimes Aerospace Company).
2 possible matches (shared part number, not a government interchangeability claim): 5841-01-097-3996, 1560-01-631-6677. Verify interchangeability with system specifications before substitution.
Key specifications for 31-1493-1: Material Document and Classification: FAIRPRENE/SR5520A FSCM 90056 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Outside Diameter: 3.125 INCHES NOMINAL IN; Aperture Diameter: 2.500 INCHES NOMINAL IN. 8 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.