The Housing,bearing Unit, cataloged under National Stock Number 3130-00-491-4265, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Thomas Instrument, Incorporated. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-00-491-4265 |
| Primary Part Number | C5P28097 |
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Thomas Instrument, Incorporated |
| Status | ACTIVE |
| Flange Thickness | 0.1230 INCHES MINIMUM AND 0.1270 INCHES MAXIMUM IN |
| Mounting Hole Type | ROUND, UNTHREADED |
| Style Designator | FLANGE BLOCK |
| Mounting Hole Diameter | 0.2710 INCHES MINIMUM AND 0.2910 INCHES MAXIMUM IN |
| Overall Outside Diameter | 3.2500 INCHES MINIMUM AND 3.2600 INCHES MAXIMUM IN |
| Bolt Circle Diameter | 2.8700 INCHES MINIMUM AND 2.8800 INCHES MAXIMUM IN |
| Shaft End Type | OPEN |
| Bore Diameter | 1.9350 INCHES MINIMUM AND 1.9450 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Housing Length | 0.8050 INCHES MINIMUM AND 0.8150 INCHES MAXIMUM IN |
| Housing Diameter | 2.7450 INCHES MINIMUM AND 2.7550 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 |
|---|---|
| C5P28097 PRIMARY | Thomas Instrument, Incorporated (USA) |
| Reference | Meaning |
|---|---|
| C5P28097 | 7/2 Vendor item drawing reference U.S. Government activity |
| C5P28097 | 3/9 Design control — primary reference Speco Corp |
NSN 3130-00-491-4265 is a Housing,bearing Unit, manufactured by Thomas Instrument, Incorporated, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-00-491-4265 has 1 manufacturer part number on file: C5P28097 (Thomas Instrument, Incorporated).
Key specifications for C5P28097: Flange Thickness: 0.1230 INCHES MINIMUM AND 0.1270 INCHES MAXIMUM IN; Mounting Hole Type: ROUND, UNTHREADED; Style Designator: FLANGE BLOCK; Mounting Hole Diameter: 0.2710 INCHES MINIMUM AND 0.2910 INCHES MAXIMUM 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.