The Bearing,washer,thrust, cataloged under National Stock Number 3120-00-899-4072, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-899-4072 |
| Primary Part Number | 7328402 |
| Item Name | Bearing,washer,thrust |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Overall Thickness | 0.0850 INCHES MINIMUM AND 0.0870 INCHES MAXIMUM IN |
| Style Designator | ROUND |
| Material Document and Classification | QQ-S-631 FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-634 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| Diameter | 1.0050 INCHES MINIMUM AND 1.0120 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 1.2350 INCHES MINIMUM AND 1.2600 INCHES MAXIMUM IN |
| Features Provided | CASEHARDENED |
| Material | STEEL OVERALL |
| Material | OIL LUBRICATING LUBRICATION |
| Center Hole Shape Style | ROUND |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7328402 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 7578-18 | 5/9 Secondary reference Saginaw Products Corporation Dba Cignys |
NSN 3120-00-899-4072 is a Bearing,washer,thrust, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-00-899-4072 has 1 manufacturer part number on file: 7328402 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7328402: Corner Shape: SQUARE ALL CORNERS; Overall Thickness: 0.0850 INCHES MINIMUM AND 0.0870 INCHES MAXIMUM IN; Style Designator: ROUND; Material Document and Classification: QQ-S-631 FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-634 FED SPEC 2ND MATERIAL RESPONSE OVERALL. 11 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.