The Gasket, cataloged under National Stock Number 5330-00-734-8540, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Sealcraft Corporation. Government technical data includes 7 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. 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 | 5330-00-734-8540 |
| Primary Part Number | 518317 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Sealcraft Corporation |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-G-12803,+1141-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Aperture Width | 4.700 INCHES NOMINAL IN |
| Aperture Length | 5.440 INCHES NOMINAL IN |
| Material | ASBESTOS AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL |
| Hole Diameter | 0.360 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 |
NSN 5330-00-734-8540 is a Gasket, manufactured by Sealcraft Corporation, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-734-8540 has 2 manufacturer part numbers on file: 7348540 (U S Army Tank Automotive Command Amsta-Im-Mm), 518317 (Sealcraft Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5995-01-440-0617, 6665-01-514-6891. Verify interchangeability with system specifications before substitution.
Key specifications for 518317: Cross-Sectional Thickness: 0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN; Material Document and Classification: MIL-G-12803,+1141-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Overall Length: 6.240 INCHES NOMINAL IN; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 7 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.