The Gasket, cataloged under National Stock Number 5330-01-373-8740, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-373-8740 |
| Primary Part Number | 5498312-2 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35,T 1,2,OR 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Cross-Sectional Thickness | 0.063 INCHES NOMINAL IN |
| Inside Corner Radius | 0.250 INCHES NOMINAL IN |
| Style Designator | NON-CIRCULAR |
| Cross-Sectional Shape Style | RECTANGULAR METAL |
| Aperture Width | 3.305 INCHES NOMINAL IN |
| Aperture Length | 10.305 INCHES NOMINAL IN |
| Bolt Hole Quantity | 14 |
| Surface Treatment | PASSIVATE OVERALL |
| Outside Corner Radius | 0.250 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.322 INCHES MINIMUM AND 0.329 INCHES MAXIMUM 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 |
NSN 5330-01-373-8740 is a Gasket, manufactured by Naval Sea Systems Command, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-373-8740 has 2 manufacturer part numbers on file: 5498312-2 (Naval Sea Systems Command), 5498312-2 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 5498312-2: Surface Treatment Document and Classification: QQ-P-35,T 1,2,OR 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Cross-Sectional Thickness: 0.063 INCHES NOMINAL IN; Inside Corner Radius: 0.250 INCHES NOMINAL IN; Style Designator: NON-CIRCULAR. 12 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.