The Gasket, cataloged under National Stock Number 5330-01-329-1894, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Excelsior, Inc.. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-329-1894 |
| Primary Part Number | 40X27X04 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Excelsior, Inc. |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | MIL-R-83248, TYPE 2, CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 0.370 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN |
| Aperture Diameter | 0.240 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN |
| Elongation Percentage | 125 MAXIMUM |
| Material | RUBBER FLUOROCARBON CLASS FPM 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 |
|---|---|
| 40X27X04 PRIMARY | Excelsior, Inc. (USA) |
| 40X27X04 PRIMARY | Gasket Manufacturing Co. (USA) |
| Reference | Meaning |
|---|---|
| 4900179 | 5/9 Secondary reference Gasket Manufacturing Co. |
| 4900179-1 | 7/2 Vendor item drawing reference Rtx Corporation Div Pratt & Whitney |
| 4900179 | D/9 Drawing number reference only Rtx Corporation Div Pratt & Whitney |
NSN 5330-01-329-1894 is a Gasket, manufactured by Excelsior, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-329-1894 has 2 manufacturer part numbers on file: 40X27X04 (Excelsior, Inc.), 40X27X04 (Gasket Manufacturing Co.).
Key specifications for 40X27X04: Cross-Sectional Thickness: 0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN; Style Designator: CIRCULAR; Material Document and Classification: MIL-R-83248, TYPE 2, CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 8 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.