The Housing,bearing Unit, cataloged under National Stock Number 3130-01-073-7744, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-073-7744 |
| Primary Part Number | 12302243 |
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Assembly Overall Length | 4.169 INCHES MINIMUM AND 4.171 INCHES MAXIMUM IN |
| Style Designator | SPHERICAL CARTRIDGE |
| Bore Diameter | 0.8800 INCHES MINIMUM AND 0.9000 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Housing Length | 0.730 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN |
| Housing Diameter | 3.182 INCHES MINIMUM AND 3.188 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 12302243 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 3-060-005-06 | 5/9 Secondary reference U.S. Government activity |
| 3-060-005-10 | 5/1 Secondary reference U.S. Government activity |
| 12286051 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 3130-01-073-7744 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 3130-01-073-7744 has 1 manufacturer part number on file: 12302243 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12302243: Assembly Overall Length: 4.169 INCHES MINIMUM AND 4.171 INCHES MAXIMUM IN; Style Designator: SPHERICAL CARTRIDGE; End Item Identification: 2350-01-087-1095 M1E1 ARMD BATTLE TANK; Bore Diameter: 0.8800 INCHES MINIMUM AND 0.9000 INCHES MAXIMUM 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.