The Gasket, cataloged under National Stock Number 5330-00-571-0798, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. 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 | 5330-00-571-0798 |
| Primary Part Number | 307991 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.028 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN |
| Side Radius From Gasket Center | 0.470 INCHES NOMINAL IN |
| Material Document and Classification | AMS 4500 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR METAL |
| Aperture Diameter | 0.500 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN |
| Bolt Circle Diameter | 1.500 INCHES NOMINAL IN |
| Outside Corner Radius | 0.230 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 110 OVERALL |
| Hole Diameter | 0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN |
| 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 |
|---|---|
| 307991 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 5330-00-571-0798 is a Gasket, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-571-0798 has 1 manufacturer part number on file: 307991 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 307991: Cross-Sectional Thickness: 0.028 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN; Side Radius From Gasket Center: 0.470 INCHES NOMINAL IN; Material Document and Classification: AMS 4500 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR METAL. 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.