The Gasket, cataloged under National Stock Number 5330-00-335-6366, 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 10 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-335-6366 |
| Primary Part Number | 75859 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Proponent, Inc. Dba Proponent |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.088 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN |
| Side Radius From Gasket Center | 3.817 INCHES NOMINAL IN |
| Style Designator | NON-CIRCULAR |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Aperture Diameter | 7.634 INCHES NOMINAL IN |
| Bolt Hole Quantity | 14 |
| Bolt Circle Diameter | 7.940 INCHES NOMINAL IN |
| Outside Corner Radius | 0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY OVERALL |
| Hole Diameter | 0.280 INCHES MINIMUM AND 0.290 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 |
|---|---|
| 75859 | Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA) |
| 75859 | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| 75859 PRIMARY | Proponent, Inc. Dba Proponent (USA) |
| 75859 | Sonfarrel Inc. (USA) |
| Reference | Meaning |
|---|---|
| 75859 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
| TIP01696-07SEP71 | 5/2 Secondary reference U.S. Government activity |
| 75859 | 7/1 Vendor item drawing reference U.S. Government activity |
| 75859 | 5/2 Secondary reference U.S. Government activity |
NSN 5330-00-335-6366 is a Gasket, manufactured by Proponent, Inc. Dba Proponent, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-335-6366 has 4 manufacturer part numbers on file: 75859 (Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp), 75859 (Honeywell International Inc. Div Aerospace - Torrance), 75859 (Proponent, Inc. Dba Proponent), 75859 (Sonfarrel Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5315-00-678-8598, 5998-01-059-5877. Verify interchangeability with system specifications before substitution.
Key specifications for 75859: Cross-Sectional Thickness: 0.088 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN; Side Radius From Gasket Center: 3.817 INCHES NOMINAL IN; Style Designator: NON-CIRCULAR; 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.