The Felt,mechanical,preformed, cataloged under National Stock Number 5330-00-740-9312, 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 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-740-9312 |
| Primary Part Number | 7409312 |
| Item Name | Felt,mechanical,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Cross-Sectional Height | 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN |
| Lubrication Method | IMPREGNATED |
| Style Designator | CIRCULAR |
| Material Document and Classification | C-F-206 TY 1 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Cross-Sectional Shape Style | SQUARE |
| Outside Diameter | 6.593 INCHES MINIMUM AND 6.657 INCHES MAXIMUM IN |
| Aperture Diameter | 6.046 INCHES MINIMUM AND 6.078 INCHES MAXIMUM IN |
| Material | WOOL COMP 16R2 OR WOOL COMP 16R3 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 |
|---|---|
| 7409312 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 5X625 | Meritor Heavy Vehicle Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 98645R1 | 5/2 Secondary reference U.S. Government activity |
| 98645R1 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| 7979267 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| 5330007409312 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 5X625 | 5/9 Secondary reference Kersey / American Lafrance a Div of Figgie International Inc |
NSN 5330-00-740-9312 is a Felt,mechanical,preformed, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-740-9312 has 2 manufacturer part numbers on file: 7409312 (U S Army Tank Automotive Command Amsta-Im-Mm), 5X625 (Meritor Heavy Vehicle Systems, Llc).
6 possible matches (shared part number, not a government interchangeability claim): 5310-01-493-2277, 3040-01-493-3397, 3040-01-493-3398. Verify interchangeability with system specifications before substitution.
Key specifications for 7409312: Cross-Sectional Height: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN; Lubrication Method: IMPREGNATED; Style Designator: CIRCULAR; Material Document and Classification: C-F-206 TY 1 FED SPEC ALL MATERIAL RESPONSES 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.