The Housing,bearing Unit, cataloged under National Stock Number 3130-01-322-9669, 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 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-322-9669 |
| Primary Part Number | 12349742-1 |
| 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 | 2.244 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A |
| Mounting Hole Type | ROUND, UNTHREADED |
| Style Designator | FLANGE BLOCK |
| Material Document and Classification | QQ-A-601 FED SPEC ALL MATERIAL RESPONSES OR QQ-A-596 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Mounting Hole Diameter | 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN |
| Housing Width | 4.250 INCHES NOMINAL IN |
| Surface Treatment | CHROMATE OVERALL |
| Bore Diameter | 2.0900 MILLIMETERS NOMINAL MM |
| Material | ALUMINUM ALLOY 355.0 OR ALUMINUM ALLOY 356.0 OVERALL |
| Housing Length | 1.208 INCHES MINIMUM AND 1.212 INCHES MAXIMUM IN |
| Center to Center Distance Between Mounting Holes Along Side of a Square | 3.006 INCHES NOMINAL 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 |
|---|---|
| 12349742-1 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3130-01-322-9669 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 3130-01-322-9669 has 1 manufacturer part number on file: 12349742-1 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12349742-1: Assembly Overall Length: 2.244 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A; Mounting Hole Type: ROUND, UNTHREADED; Style Designator: FLANGE BLOCK. 12 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.