The Gasket, cataloged under National Stock Number 5330-00-641-6506, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 10 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. 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 | 5330-00-641-6506 |
| Primary Part Number | 45478 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.015 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | AMS 3232 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 2.625 INCHES NOMINAL IN |
| Aperture Diameter | 1.656 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 2.125 INCHES NOMINAL IN |
| Material | ASBESTOS AND RUBBER SYNTHETIC OVERALL |
| Hole Diameter | 0.265 INCHES NOMINAL 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 |
NSN 5330-00-641-6506 is a Gasket, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-641-6506 has 2 manufacturer part numbers on file: 45478 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 45478 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-150-5920, 5820-01-433-4249. Verify interchangeability with system specifications before substitution.
Key specifications for 45478: Cross-Sectional Thickness: 0.015 INCHES NOMINAL IN; Style Designator: CIRCULAR; Material Document and Classification: AMS 3232 ASSN STD ALL MATERIAL RESPONSES OVERALL; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 10 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.