The Gasket, cataloged under National Stock Number 5330-00-973-0384, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory. Government technical data includes 6 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 | 5330-00-973-0384 |
| Primary Part Number | U31751-02 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.122 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Style Designator | CIRCULAR |
| Cross-Sectional Shape Style | METAL AND METALLIC MATERIALS |
| Outside Diameter | 3.510 INCHES MINIMUM AND 3.570 INCHES MAXIMUM IN |
| Aperture Diameter | 3.150 INCHES MINIMUM AND 3.210 INCHES MAXIMUM IN |
| Material | STEEL COMP 304 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 |
|---|---|
| U31751-02 PRIMARY | Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory (USA) |
NSN 5330-00-973-0384 is a Gasket, manufactured by Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-973-0384 has 1 manufacturer part number on file: U31751-02 (Atk Launch Systems Llc Dba Atk Launch Systems-Promontory Div Propulsion Systems - Promontory).
Key specifications for U31751-02: Cross-Sectional Thickness: 0.122 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Style Designator: CIRCULAR; Cross-Sectional Shape Style: METAL AND METALLIC MATERIALS; Outside Diameter: 3.510 INCHES MINIMUM AND 3.570 INCHES MAXIMUM IN. 6 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.