The Gasket, cataloged under National Stock Number 5330-01-373-1046, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems. Government technical data includes 9 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 | 5330-01-373-1046 |
| Primary Part Number | 142D6540 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.250 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-200/9 FED SPEC SINGLE MATERIAL RESPONSE INNER RING |
| Material Document and Classification | ZZ-R-765,GR 60 CL 3B MIL SPEC SINGLE MATERIAL RESPONSE OUTER RING |
| Cross-Sectional Shape Style | HOLLOW |
| Aperture Width | 15.510 INCHES MINIMUM AND 17.570 INCHES MAXIMUM IN |
| Aperture Length | 40.000 INCHES MINIMUM AND 40.080 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE INNER RING |
| Material | ALUMINUM ALLOY 6063 INNER RING |
| Material | RUBBER SILICONE CLASS Q OUTER RING |
| 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 |
|---|---|
| 142D6540 PRIMARY | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA) |
NSN 5330-01-373-1046 is a Gasket, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-373-1046 has 1 manufacturer part number on file: 142D6540 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).
Key specifications for 142D6540: Cross-Sectional Thickness: 0.250 INCHES NOMINAL IN; Material Document and Classification: QQ-A-200/9 FED SPEC SINGLE MATERIAL RESPONSE INNER RING; Material Document and Classification: ZZ-R-765,GR 60 CL 3B MIL SPEC SINGLE MATERIAL RESPONSE OUTER RING; Cross-Sectional Shape Style: HOLLOW. 9 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.