The Gasket, cataloged under National Stock Number 5330-00-684-5727, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Proponent, Inc. Dba Proponent. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-684-5727 |
| Primary Part Number | 373734-2 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Proponent, Inc. Dba Proponent |
| Status | ACTIVE |
| FSC Application Data | COMPRESSOR ASSY,GAS TURBINE ASSY,NONACFT |
| Cross-Sectional Thickness | 0.005 INCHES NOMINAL IN |
| Peripheral Flat Quantity | 8 |
| Style Designator | POLYGON |
| Material Document and Classification | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR METAL |
| Aperture Diameter | 8.560 INCHES NOMINAL IN |
| Bolt Hole Quantity | 8 |
| Bolt Circle Diameter | 9.400 INCHES NOMINAL IN |
| Material | STEEL COMP 302 OVERALL |
| Hole Diameter | 0.460 INCHES MINIMUM AND 0.475 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 |
|---|---|
| 373734-2 | Proponent, Inc. Dba Proponent (USA) |
| Reference | Meaning |
|---|---|
| 373734-2 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
| 373734-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-00-684-5727 is a Gasket, manufactured by Proponent, Inc. Dba Proponent, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-684-5727 has 1 manufacturer part number on file: 373734-2 (Proponent, Inc. Dba Proponent).
1 possible match (shared part number, not a government interchangeability claim): 5905-00-763-5634. Verify interchangeability with system specifications before substitution.
Key specifications for 373734-2: FSC Application Data: COMPRESSOR ASSY,GAS TURBINE ASSY,NONACFT; Cross-Sectional Thickness: 0.005 INCHES NOMINAL IN; Peripheral Flat Quantity: 8; Style Designator: POLYGON. 11 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.