The Gasket, cataloged under National Stock Number 5330-01-182-5656, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Parts Center. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-182-5656 |
| Primary Part Number | 81-1001-58 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Parts Center |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.016 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 3.375 INCHES NOMINAL IN |
| Aperture Diameter | 2.437 INCHES NOMINAL IN |
| Material | ASBESTOS 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 |
|---|---|
| 81-1001-58 | Parts Center (GBR) |
| Reference | Meaning |
|---|---|
| 301691 | 3/2 Design control — primary reference U.S. Government activity |
| 81-1001-58 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-01-182-5656 is a Gasket, manufactured by Parts Center, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-182-5656 has 1 manufacturer part number on file: 81-1001-58 (Parts Center).
2 possible matches (shared part number, not a government interchangeability claim): 1670-01-310-2875, 5310-01-563-2911. Verify interchangeability with system specifications before substitution.
Key specifications for 81-1001-58: Cross-Sectional Thickness: 0.016 INCHES NOMINAL IN; Style Designator: CIRCULAR; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Outside Diameter: 3.375 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.