The Gasket, cataloged under National Stock Number 5330-00-439-8203, 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 7 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. 3 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 | 5330-00-439-8203 |
| Primary Part Number | 109278 |
| 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 | 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN |
| Material Document and Classification | AMS3232 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Aperture Width | 0.418 INCHES NOMINAL IN |
| Aperture Length | 1.278 INCHES NOMINAL IN |
| Center to Center Distance Between Bolt Holes Along Length | 1.125 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Hole Diameter | 0.334 INCHES MINIMUM AND 0.354 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 |
NSN 5330-00-439-8203 is a Gasket, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-439-8203 has 2 manufacturer part numbers on file: 109278 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 109278 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
3 possible matches (shared part number, not a government interchangeability claim): 2990-01-107-2456, 5342-01-315-4551, 5905-01-406-2669. Verify interchangeability with system specifications before substitution.
Key specifications for 109278: Cross-Sectional Thickness: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN; Material Document and Classification: AMS3232 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Overall Length: 1.687 INCHES NOMINAL IN; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 7 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.