The Gasket,spiral Wound, cataloged under National Stock Number 5330-01-067-5118, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Velan Valve Corp.. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-067-5118 |
| Primary Part Number | 1681-4-91 |
| Item Name | Gasket,spiral Wound |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.120 INCHES MINIMUM AND 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM0.130 INCHES MAXIMUM IN |
| Style Designator | CIRCULAR |
| Cross-Sectional Shape Style | METAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER |
| Outside Diameter | 1.296 INCHES MINIMUM AND 1.296 INCHES MINIMUM AND 1.312 INCHES MAXIMUM1.312 INCHES MAXIMUM IN |
| Aperture Diameter | 0.938 INCHES MINIMUM AND 0.938 INCHES MINIMUM AND 0.954 INCHES MAXIMUM0.954 INCHES MAXIMUM IN |
| Material | ASBESTOS AND STEEL COMP 347 OVERALL |
| 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 |
|---|---|
| 1681-4-91 PRIMARY | Velan Valve Corp. (USA) |
| Reference | Meaning |
|---|---|
| 21856-1 ITEM 22 | 5/9 Secondary reference Velan Valve Corp. |
| 1681-4-91 | 5/9 Secondary reference Velan Valve Corp |
NSN 5330-01-067-5118 is a Gasket,spiral Wound, manufactured by Velan Valve Corp., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-067-5118 has 1 manufacturer part number on file: 1681-4-91 (Velan Valve Corp.).
2 possible matches (shared part number, not a government interchangeability claim): 5840-01-243-2719, 5330-01-472-8836. Verify interchangeability with system specifications before substitution.
Key specifications for 1681-4-91: Cross-Sectional Thickness: 0.120 INCHES MINIMUM AND 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM0.130 INCHES MAXIMUM IN; Style Designator: CIRCULAR; Cross-Sectional Shape Style: METAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER; Outside Diameter: 1.296 INCHES MINIMUM AND 1.296 INCHES MINIMUM AND 1.312 INCHES MAXIMUM1.312 INCHES MAXIMUM IN. 6 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.