The Housing,bearing Unit, cataloged under National Stock Number 3130-01-339-1560, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-339-1560 |
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Status | ACTIVE |
| Assembly Overall Length | 2.0000 INCHES NOMINAL IN |
| Mounting Hole Type | ROUND, THREADED |
| Style Designator | PILLOW BLOCK, SOLID |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Center to Center Distance Between Mounting Holes Along Width | 6.0900 INCHES NOMINAL IN |
| Nominal Thread Size | 0.250 INCHES IN |
| Housing Width | 6.7500 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Quantity Per Inch | 20 |
| Bore Diameter | 2.8752 INCHES MINIMUM AND 2.8757 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Housing Length | 0.5000 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Height From Bottom of Base to Bore Centerline | 2.2500 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 |
| Reference | Meaning |
|---|---|
| 7574546-011 | 3/9 Design control — primary reference General Dynamics Land Systems Inc. |
NSN 3130-01-339-1560 is a Housing,bearing Unit, classified under FSC 3130, Bearings, Mounted. Status: active.
Key specifications for 3130-01-339-1560: Assembly Overall Length: 2.0000 INCHES NOMINAL IN; Mounting Hole Type: ROUND, THREADED; Style Designator: PILLOW BLOCK, SOLID; Material Document and Classification: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 14 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.