The Gasket,spiral Wound, cataloged under National Stock Number 5330-01-580-0312, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Gaumer Company, Inc. Dba Gaumer Process. Government technical data includes 8 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-580-0312 |
| Primary Part Number | GASK040F1SS |
| Item Name | Gasket,spiral Wound |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Gaumer Company, Inc. Dba Gaumer Process |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.200 INCHES NOMINAL0.200 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Outside Diameter | 9.000 INCHES NOMINAL9.000 INCHES NOMINAL IN |
| Aperture Diameter | 4.500 INCHES NOMINAL4.500 INCHES NOMINAL IN |
| Bolt Hole Quantity | 88 |
| Bolt Circle Diameter | 7.500 INCHES NOMINAL7.500 INCHES NOMINAL IN |
| Material | GRAPHITE AND STEEL CORROSION RESISTING OVERALL |
| Hole Diameter | 0.875 INCHES NOMINAL0.875 INCHES NOMINAL 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 |
|---|---|
| GASK040F1SS PRIMARY | Gaumer Company, Inc. Dba Gaumer Process (USA) |
| Reference | Meaning |
|---|---|
| 201263 IT 46 | 5/2 Secondary reference U.S. Government activity |
| 81093 | 5/2 Secondary reference U.S. Government activity |
| 201260 IT 52 | 5/2 Secondary reference U.S. Government activity |
| 201261 IT 52 | 5/2 Secondary reference U.S. Government activity |
NSN 5330-01-580-0312 is a Gasket,spiral Wound, manufactured by Gaumer Company, Inc. Dba Gaumer Process, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-580-0312 has 1 manufacturer part number on file: GASK040F1SS (Gaumer Company, Inc. Dba Gaumer Process).
1 possible match (shared part number, not a government interchangeability claim): 2930-01-596-5872. Verify interchangeability with system specifications before substitution.
Key specifications for GASK040F1SS: Cross-Sectional Thickness: 0.200 INCHES NOMINAL0.200 INCHES NOMINAL IN; Style Designator: CIRCULAR; Outside Diameter: 9.000 INCHES NOMINAL9.000 INCHES NOMINAL IN; Aperture Diameter: 4.500 INCHES NOMINAL4.500 INCHES NOMINAL IN. 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.