The Gasket, cataloged under National Stock Number 5330-01-446-4959, 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 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-446-4959 |
| Primary Part Number | MS9142-021 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.061 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | AMS5570 MIL STD SINGLE MATERIAL RESPONSE OR AMS5576 MIL STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | HOLLOW |
| Outside Diameter | 0.688 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN |
| Material | STEEL COMP 321 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 |
|---|---|
| MS9142-021 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| SAE-AS9142 | 3/1 Design control — primary reference Sae International Dba Sae International |
| MS9142-021 | 3/9 Design control — primary reference U.S. Government activity |
| MS9142-021 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-01-446-4959 is a Gasket, manufactured by Sae International Dba Sae International, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-446-4959 has 1 manufacturer part number on file: MS9142-021 (Sae International Dba Sae International).
Key specifications for MS9142-021: Cross-Sectional Thickness: 0.061 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN; Style Designator: CIRCULAR; Material Document and Classification: AMS5570 MIL STD SINGLE MATERIAL RESPONSE OR AMS5576 MIL STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: HOLLOW. 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.