The Bearing Unit,plain, cataloged under National Stock Number 3130-01-264-1539, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 11 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 | 3130-01-264-1539 |
| Primary Part Number | 640-1375-001 |
| Item Name | Bearing Unit,plain |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-22750 MIL SPEC SINGLE TREATMENT RESPONSE HOUSING EXCLUDING BORE |
| Style Designator | PILLOW BLOCK, SOLID |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE HOUSING |
| Base Length | 2.060 INCHES NOMINAL IN |
| Alignment Type | RIGID |
| Shaft End Type | OPEN |
| Surface Treatment | PLASTIC POLYAMIDE AND PLASTIC EPOXY HOUSING EXCLUDING BORE |
| Base Thickness | 1.160 INCHES NOMINAL IN |
| Bore Diameter | 1.2510 INCHES MINIMUM AND 1.2520 INCHES MAXIMUM IN |
| Material | STEEL COMP 416 HOUSING |
| Load Capability Type | RADIAL |
| 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 |
|---|---|
| 640-1375-001 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
NSN 3130-01-264-1539 is a Bearing Unit,plain, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-264-1539 has 1 manufacturer part number on file: 640-1375-001 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 640-1375-001: Surface Treatment Document and Classification: MIL-C-22750 MIL SPEC SINGLE TREATMENT RESPONSE HOUSING EXCLUDING BORE; Style Designator: PILLOW BLOCK, SOLID; Material Document and Classification: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE HOUSING; Base Length: 2.060 INCHES NOMINAL IN. 11 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.