The Gasket, cataloged under National Stock Number 5330-01-157-7318, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-157-7318 |
| Primary Part Number | D570-04-98 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation |
| Status | ACTIVE |
| Material Document and Classification | MIL-R-3065,SC12 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | RUBBER CHLOROPRENE CLASS CR 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 |
|---|---|
| D570-04-98 PRIMARY | L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation (USA) |
| 700570 PIECE 98 | L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation (USA) |
NSN 5330-01-157-7318 is a Gasket, manufactured by L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-157-7318 has 2 manufacturer part numbers on file: D570-04-98 (L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation), 700570 PIECE 98 (L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation).
Key specifications for D570-04-98: Material Document and Classification: MIL-R-3065,SC12 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: RUBBER CHLOROPRENE CLASS CR 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.