The Gasket, cataloged under National Stock Number 5330-01-207-6449, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-207-6449 |
| Primary Part Number | 12354303 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Style Designator | CIRCULAR |
| Cross-Sectional Shape Style | RECTANGULAR METAL |
| Outside Diameter | 6.750 INCHES NOMINAL IN |
| Aperture Diameter | 4.500 INCHES NOMINAL IN |
| Bolt Hole Quantity | 6 |
| Bolt Circle Diameter | 6.000 INCHES NOMINAL IN |
| Material | STEEL COMP 304 AND STEEL COMP 316 AND STEEL COMP 430 BOTH SIDES |
| 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 |
|---|---|
| 12354303 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12354303 | 5/9 Secondary reference Manufacturers Gasket Co the |
| 5330012076449 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5330-01-207-6449 is a Gasket, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-207-6449 has 1 manufacturer part number on file: 12354303 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12354303: Style Designator: CIRCULAR; Cross-Sectional Shape Style: RECTANGULAR METAL; Outside Diameter: 6.750 INCHES NOMINAL IN; Aperture Diameter: 4.500 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.