The Gasket, cataloged under National Stock Number 5330-01-498-2260, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Armstrong International Inc Dba Armstrong Machine Works. 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 | 5330-01-498-2260 |
| Primary Part Number | A22182 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Armstrong International Inc Dba Armstrong Machine Works |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.030 INCHES NOMINAL IN |
| Material Document and Classification | UCAR GRAFOIL GRADE GHN;GRAPHITE FOIL WITH SURLYN LAYER MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 4.870 INCHES MINIMUM AND 4.890 INCHES MAXIMUM IN |
| Aperture Diameter | 4.250 INCHES MINIMUM AND 4.270 INCHES MAXIMUM IN |
| Material | GRAPHITE AND PLASTIC 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 |
|---|---|
| A22182 PRIMARY | Armstrong International Inc Dba Armstrong Machine Works (USA) |
NSN 5330-01-498-2260 is a Gasket, manufactured by Armstrong International Inc Dba Armstrong Machine Works, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-498-2260 has 1 manufacturer part number on file: A22182 (Armstrong International Inc Dba Armstrong Machine Works).
Key specifications for A22182: Cross-Sectional Thickness: 0.030 INCHES NOMINAL IN; Material Document and Classification: UCAR GRAFOIL GRADE GHN;GRAPHITE FOIL WITH SURLYN LAYER MFR REF SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Outside Diameter: 4.870 INCHES MINIMUM AND 4.890 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.