The Gasket,spiral Wound, cataloged under National Stock Number 5330-01-502-2731, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Chromalox Inc Dba Chromalox Precision Heat and Control, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-502-2731 |
| Primary Part Number | 132-304639-019 |
| Item Name | Gasket,spiral Wound |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Chromalox Inc Dba Chromalox Precision Heat and Control, 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 |
| Bearing Surface Width | 1.813 INCHES NOMINAL1.813 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | METAL WINDING W/ SOFT FILLER AND OUTER RINGMETAL WINDING W/ SOFT FILLER AND OUTER RING |
| Outside Diameter | 18.250 INCHES NOMINAL18.250 INCHES NOMINAL IN |
| Gage Ring Outside Diameter | 20.250 INCHES NOMINAL20.250 INCHES NOMINAL IN |
| Aperture Diameter | 16.625 INCHES NOMINAL16.625 INCHES NOMINAL IN |
| Material | STEEL COMP 316L OUTER RING |
| Material | STEEL CORROSION RESISTING AND GRAPHITE 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 |
|---|---|
| 132-304639-019 PRIMARY | Chromalox Inc Dba Chromalox Precision Heat and Control, Inc (USA) |
| Reference | Meaning |
|---|---|
| 132-072413-004 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 052-072824-006 REV 1 ITEM 3 | 5/9 Secondary reference Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
| 132-072413-004 | 5/9 Secondary reference Chromalox Inc Dba Chromalox Precision Heat and Control, Inc |
NSN 5330-01-502-2731 is a Gasket,spiral Wound, manufactured by Chromalox Inc Dba Chromalox Precision Heat and Control, Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-502-2731 has 1 manufacturer part number on file: 132-304639-019 (Chromalox Inc Dba Chromalox Precision Heat and Control, Inc).
Key specifications for 132-304639-019: 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; Bearing Surface Width: 1.813 INCHES NOMINAL1.813 INCHES NOMINAL IN. 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.