The Gasket, cataloged under National Stock Number 5330-01-642-1179, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-642-1179 |
| Primary Part Number | ZZ-R-765 CL2B GR40 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Material Document and Classification | ZZ-R-765, CL-2B, GR-40 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | RUBBER SILICONE CLASS Q 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 |
|---|---|
| 167-7563785 REV F PC NO. 31 | Naval Sea Systems Command (USA) |
| ZZ-R-765 CL2B GR40 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 167-7563785 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5330-01-642-1179 is a Gasket, manufactured by Naval Sea Systems Command, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-642-1179 has 2 manufacturer part numbers on file: 167-7563785 REV F PC NO. 31 (Naval Sea Systems Command), ZZ-R-765 CL2B GR40 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-685-5699, 3040-01-685-8358. Verify interchangeability with system specifications before substitution.
Key specifications for ZZ-R-765 CL2B GR40: Material Document and Classification: ZZ-R-765, CL-2B, GR-40 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Part Name Assigned by Controlling Agency: GASKET; End Item Identification: QAWTRTT DOORS; Material: RUBBER SILICONE CLASS Q OVERALL. 2 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.