The Gasket, cataloged under National Stock Number 5330-01-477-4262, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Proponent, Inc. Dba Proponent. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Gasket |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | Proponent, Inc. Dba Proponent (CAGE 59789); Honeywell International Inc. Div Aerospace - Torrance (CAGE 70210) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-477-4262 |
| Primary Part Number | 205878 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Proponent, Inc. Dba Proponent |
| Status | ACTIVE |
| 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 |
|---|---|
| 205878 | Proponent, Inc. Dba Proponent (USA) |
| 205878 | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| Reference | Meaning |
|---|---|
| 678447 | 3/2 Design control — primary reference U.S. Government activity |
| 40340 | C/1 Advisory reference — outside the item-of-supply concept Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp |
NSN 5330-01-477-4262 is a Gasket, manufactured by Proponent, Inc. Dba Proponent, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-477-4262 has 2 manufacturer part numbers on file: 205878 (Proponent, Inc. Dba Proponent), 205878 (Honeywell International Inc. Div Aerospace - Torrance).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-574-8162. Verify interchangeability with system specifications before substitution.
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.