The Housing,bearing Unit, cataloged under National Stock Number 3130-01-306-8252, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 16 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 | 3130-01-306-8252 |
| Primary Part Number | 7120181 |
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Housing Height | 1.500 INCHES NOMINAL IN |
| Mounting Hole Type | ROUND, UNTHREADED |
| Housing Opening Width | 1.640 INCHES NOMINAL IN |
| Style Designator | PILLOW BLOCK, OPEN, ADJUSTABLE DIAMETER |
| Material Document and Classification | QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.3906 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes Along Width | 2.750 INCHES NOMINAL IN |
| Housing Width | 3.500 INCHES NOMINAL IN |
| Base Length | 1.250 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes Along Length | 2.000 INCHES NOMINAL IN |
| Shaft End Type | OPEN |
| Surface Treatment | CARBON OVERALL |
| Bore Diameter | 0.3906 INCHES NOMINAL IN |
| Material | STEEL COMP 1018 OVERALL |
| Housing Length | 1.640 INCHES NOMINAL IN |
| Height From Bottom of Base to Bore Centerline | 1.1563 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 |
|---|---|
| 7120181 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 3130-01-306-8252 is a Housing,bearing Unit, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-306-8252 has 1 manufacturer part number on file: 7120181 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 7120181: Housing Height: 1.500 INCHES NOMINAL IN; Mounting Hole Type: ROUND, UNTHREADED; Housing Opening Width: 1.640 INCHES NOMINAL IN; Style Designator: PILLOW BLOCK, OPEN, ADJUSTABLE DIAMETER. 16 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.