The Gasket, cataloged under National Stock Number 5330-01-579-6540, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-579-6540 |
| Primary Part Number | AS1895/7-400 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.108 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Cross-Sectional Shape Style | RECTANGULAR METAL |
| Outside Diameter | 4.294 INCHES NOMINAL IN |
| Aperture Diameter | 3.958 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | NICKEL ALLOY 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 |
|---|---|
| AS1895/7-400 PRIMARY | Sae International Dba Sae International (USA) |
| AS1895-7-400 | Boeing Defence Australia Ltd (AUS) |
| Reference | Meaning |
|---|---|
| SAE-AS1895 | 3/1 Design control — primary reference Sae International Dba Sae International |
| AS1895/7-400 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5330-01-579-6540 is a Gasket, manufactured by Sae International Dba Sae International, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-579-6540 has 2 manufacturer part numbers on file: AS1895/7-400 (Sae International Dba Sae International), AS1895-7-400 (Boeing Defence Australia Ltd).
Key specifications for AS1895/7-400: Cross-Sectional Thickness: 0.108 INCHES NOMINAL IN; Style Designator: CIRCULAR; Cross-Sectional Shape Style: RECTANGULAR METAL; Outside Diameter: 4.294 INCHES NOMINAL IN. 7 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.