The Gasket, cataloged under National Stock Number 5330-01-389-2131, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-389-2131 |
| Primary Part Number | 255346B NON-ASBESTOS |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.062 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Environmental Attribute Code | ASBESTOS ALTERNATIVE PRODUCTS |
| Hole Diameter | 0.438 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 |
|---|---|
| 255346B NON-ASBESTOS PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 255346B NON-ASBESTOS | 5/9 Secondary reference Hercules Engine Co Inc |
NSN 5330-01-389-2131 is a Gasket, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-389-2131 has 1 manufacturer part number on file: 255346B NON-ASBESTOS (Brinkley Technology Group Llc Dba Hercules Manufacturing).
Key specifications for 255346B NON-ASBESTOS: Cross-Sectional Thickness: 0.062 INCHES NOMINAL IN; Overall Length: 4.125 INCHES NOMINAL IN; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Overall Width: 3.625 INCHES NOMINAL IN. 4 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.