The Gasket, cataloged under National Stock Number 5330-01-021-4263, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Concentric Rockford Inc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-021-4263 |
| Primary Part Number | PA-7156-C-2 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Concentric Rockford Inc |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.005 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Aperture Diameter | 1.730 INCHES MINIMUM AND 1.735 INCHES MAXIMUM IN |
| Bolt Hole Quantity | 4 |
| Material | CELLULOSE OVERALL |
| Hole Diameter | 0.531 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 |
|---|---|
| PA-7156-C-2 PRIMARY | Concentric Rockford Inc (USA) |
NSN 5330-01-021-4263 is a Gasket, manufactured by Concentric Rockford Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-021-4263 has 1 manufacturer part number on file: PA-7156-C-2 (Concentric Rockford Inc).
Key specifications for PA-7156-C-2: Cross-Sectional Thickness: 0.005 INCHES NOMINAL IN; Overall Length: 3.626 INCHES NOMINAL IN; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Overall Width: 2.906 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.