The Gasket,spiral Wound, cataloged under National Stock Number 5330-01-502-6987, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Chromalox Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-502-6987 |
| Primary Part Number | 304737017 |
| Item Name | Gasket,spiral Wound |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Chromalox Inc |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.175 INCHES NOMINAL0.175 INCHES NOMINAL IN |
| Gage Ring Thickness | 0.093 INCHES NOMINAL0.093 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | FLEXICARB MFR REF SINGLE MATERIAL RESPONSE INNER RING |
| Cross-Sectional Shape Style | METAL WINDING W/ SOFT FILLER AND OUTER RINGMETAL WINDING W/ SOFT FILLER AND OUTER RING |
| Outside Diameter | 14.750 INCHES NOMINAL14.750 INCHES NOMINAL IN |
| Gage Ring Outside Diameter | 16.125 INCHES NOMINAL16.125 INCHES NOMINAL IN |
| Aperture Diameter | 13.375 INCHES NOMINAL13.375 INCHES NOMINAL IN |
| Material | STEEL COMP 316 OUTER RING |
| Material | GRAPHITE AND STEEL COMP 316 INNER RING |
| 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 |
|---|---|
| 304737017 PRIMARY | Chromalox Inc (USA) |
| Reference | Meaning |
|---|---|
| 132-303383-325 | 3/9 Design control — primary reference Chromalox Inc |
| 155-072827-003 REV 7 ITEM 3 | 5/9 Secondary reference Chromalox Inc |
NSN 5330-01-502-6987 is a Gasket,spiral Wound, manufactured by Chromalox Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-502-6987 has 1 manufacturer part number on file: 304737017 (Chromalox Inc).
Key specifications for 304737017: Cross-Sectional Thickness: 0.175 INCHES NOMINAL0.175 INCHES NOMINAL IN; Gage Ring Thickness: 0.093 INCHES NOMINAL0.093 INCHES NOMINAL IN; Style Designator: CIRCULAR; Material Document and Classification: FLEXICARB MFR REF SINGLE MATERIAL RESPONSE INNER RING. 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.