The Housing,bearing Unit, cataloged under National Stock Number 3130-00-374-7856, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3130-00-374-7856 |
| Primary Part Number | 8379588 |
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Mounting Hole Type | ROUND, UNTHREADED, COUNTERBORED |
| Material Document and Classification | QQ-S-681 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.640 INCHES NOMINAL IN |
| Counterbore Depth | 0.063 INCHES NOMINAL IN |
| Counterbore Diameter | 1.250 INCHES NOMINAL IN |
| Material | STEEL UNS J03001 OVERALL |
| 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 |
|---|---|
| 8379588 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 8170-10-5 | 5/9 Secondary reference U.S. Government activity |
| 844-5232-3-2 | 3/9 Design control — primary reference U.S. Government activity |
| 5232-3-2 | 5/9 Secondary reference U.S. Government activity |
| FR25169 | 5/9 Secondary reference Eagle Crusher Co Inc Dba Stedman Machine Co |
| 8170-10-5 | 5/9 Secondary reference U.S. Government activity |
| 3130003747856 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 5232-3-2 | 5/9 Secondary reference U.S. Government activity |
NSN 3130-00-374-7856 is a Housing,bearing Unit, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-00-374-7856 has 1 manufacturer part number on file: 8379588 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 6150-01-604-9334. Verify interchangeability with system specifications before substitution.
Key specifications for 8379588: Mounting Hole Type: ROUND, UNTHREADED, COUNTERBORED; Material Document and Classification: QQ-S-681 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Mounting Hole Diameter: 0.640 INCHES NOMINAL IN; Counterbore Depth: 0.063 INCHES NOMINAL IN. 6 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.