The Gasket, cataloged under National Stock Number 5330-01-464-3646, 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 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-464-3646 |
| Primary Part Number | AS1895/7-250 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416, TYPE 1, 2, OR 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Cross-Sectional Thickness | 0.103 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | AMS 5589 OR 5596 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR METAL |
| Outside Diameter | 2.749 INCHES NOMINAL IN |
| Aperture Diameter | 2.458 INCHES NOMINAL IN |
| Specification/standard Data | 81343-AS1895/7C PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | PASSIVATE OVERALL |
| Material | NICKEL ALLOY 718 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 |
|---|---|
| AS1895/7-250 PRIMARY | Sae International Dba Sae International (USA) |
| AS1895/7-250 | Leonardo Spa Aeronautics Division - Venegono Superiore Site (ITA) |
| A0946 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| AS1895/7-250 | 3/9 Design control — primary reference U.S. Government activity |
| SAE-AS1895 | 3/1 Design control — primary reference Sae International Dba Sae International |
| AS1895/7-250 | 5/2 Secondary reference U.S. Government activity |
| 5330PL1667962 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5330-01-464-3646 is a Gasket, manufactured by Sae International Dba Sae International, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-464-3646 has 3 manufacturer part numbers on file: AS1895/7-250 (Sae International Dba Sae International), AS1895/7-250 (Leonardo Spa Aeronautics Division - Venegono Superiore Site), A0946 (The Boeing Company Div Defense).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-696-0053. Verify interchangeability with system specifications before substitution.
Key specifications for AS1895/7-250: Surface Treatment Document and Classification: QQ-P-416, TYPE 1, 2, OR 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Cross-Sectional Thickness: 0.103 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN; Style Designator: CIRCULAR; Material Document and Classification: AMS 5589 OR 5596 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.