The Gasket, cataloged under National Stock Number 5330-01-109-7941, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Heavy Equipment Parts, Inc Dba Heavy Equipment Parts. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-109-7941 |
| Primary Part Number | A2931 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Heavy Equipment Parts, Inc Dba Heavy Equipment Parts |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.040 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Cross-Sectional Shape Style | RECTANGULAR METAL |
| Outside Diameter | 0.557 INCHES MINIMUM AND 0.568 INCHES MAXIMUM IN |
| Aperture Diameter | 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 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 |
|---|---|
| A2931 PRIMARY | Heavy Equipment Parts, Inc Dba Heavy Equipment Parts (USA) |
| Reference | Meaning |
|---|---|
| A2931 | 3/9 Design control — primary reference Universal Logistics Corp Clark Div |
| A2931 | 5/9 Secondary reference Dcm Manufacturing, Inc. |
NSN 5330-01-109-7941 is a Gasket, manufactured by Heavy Equipment Parts, Inc Dba Heavy Equipment Parts, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-109-7941 has 1 manufacturer part number on file: A2931 (Heavy Equipment Parts, Inc Dba Heavy Equipment Parts).
Key specifications for A2931: Cross-Sectional Thickness: 0.040 INCHES NOMINAL IN; Style Designator: CIRCULAR; Cross-Sectional Shape Style: RECTANGULAR METAL; Outside Diameter: 0.557 INCHES MINIMUM AND 0.568 INCHES MAXIMUM 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.