The Gasket, cataloged under National Stock Number 5330-01-055-7641, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Avox Systems Inc Dba Avox Systems Inc. Government technical data includes 7 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-055-7641 |
| Primary Part Number | 2827-50 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Avox Systems Inc Dba Avox Systems Inc |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.031 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN |
| Hardness Rating | 50.0 SHORE DUROMETER A MINIMUM AND 60.0 SHORE DUROMETER A MAXIMUM OVERALL |
| Style Designator | CIRCULAR |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 0.562 INCHES NOMINAL IN |
| Aperture Diameter | 0.435 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC 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 |
|---|---|
| 2827-50 PRIMARY | Avox Systems Inc Dba Avox Systems Inc (USA) |
NSN 5330-01-055-7641 is a Gasket, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-055-7641 has 1 manufacturer part number on file: 2827-50 (Avox Systems Inc Dba Avox Systems Inc).
1 possible match (shared part number, not a government interchangeability claim): 5977-01-735-7536. Verify interchangeability with system specifications before substitution.
Key specifications for 2827-50: Cross-Sectional Thickness: 0.031 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN; Hardness Rating: 50.0 SHORE DUROMETER A MINIMUM AND 60.0 SHORE DUROMETER A MAXIMUM OVERALL; Style Designator: CIRCULAR; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 7 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.