The Gasket,spiral Wound, cataloged under National Stock Number 5330-01-437-6940, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Flexitallic Us, Llc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-437-6940 |
| Primary Part Number | 001044002 |
| Item Name | Gasket,spiral Wound |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Flexitallic Us, Llc |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.130 INCHES MINIMUM AND 0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM0.140 INCHES MAXIMUM IN |
| Supplementary Features | PRESERVATION PER MIL-P-116,METHOD II,CLEANING PROCESS C-1 |
| Style Designator | CIRCULAR |
| Material Document and Classification | AMS5536,HASTELLOY ASSN STD 1ST MATERIAL RESPONSE AND MIL-P-24503,TYPEI,CLASS OPT MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | METAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER |
| Outside Diameter | 1.412 INCHES MINIMUM AND 1.412 INCHES MINIMUM AND 1.443 INCHES MAXIMUM1.443 INCHES MAXIMUM IN |
| Aperture Diameter | 1.031 INCHES MINIMUM AND 1.031 INCHES MINIMUM AND 1.051 INCHES MAXIMUM1.051 INCHES MAXIMUM IN |
| Material | NICKEL ALLOY UNS N06002 AND GRAPHITE OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5330-01-437-6940 is a Gasket,spiral Wound, manufactured by Flexitallic Us, Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-437-6940 has 2 manufacturer part numbers on file: 1178952-2 (Aerojet Rocketdyne Inc), 001044002 (Flexitallic Us, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-490-2387. Verify interchangeability with system specifications before substitution.
Key specifications for 001044002: Cross-Sectional Thickness: 0.130 INCHES MINIMUM AND 0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM0.140 INCHES MAXIMUM IN; Supplementary Features: PRESERVATION PER MIL-P-116,METHOD II,CLEANING PROCESS C-1; Style Designator: CIRCULAR; Material Document and Classification: AMS5536,HASTELLOY ASSN STD 1ST MATERIAL RESPONSE AND MIL-P-24503,TYPEI,CLASS OPT MIL SPEC 2ND MATERIAL RESPONSE OVERALL. 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.