The Bearing Unit,roller, cataloged under National Stock Number 3130-01-304-0691, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3130-01-304-0691 |
| Item Name | Bearing Unit,roller |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Status | ACTIVE |
| Assembly Overall Length | 0.281 INCHES NOMINAL IN |
| Internal Fit-Up Designation | STANDARD |
| Rotating Element Locking Method | STRAIGHT SLEEVE |
| Block Type | FIXED |
| Style Designator | CYLINDRICAL CARTRIDGE |
| Alignment Type | SELF-ALIGNING |
| Rolling Element Groove Quantity | 1 |
| Bore Diameter | 0.1835 INCHES NOMINAL IN |
| Housing Length | 0.232 INCHES NOMINAL IN |
| Housing Diameter | 0.744 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 |
|---|---|
| 3002238-5 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3130-01-304-0691 is a Bearing Unit,roller, classified under FSC 3130, Bearings, Mounted. Status: active.
Key specifications for 3130-01-304-0691: Assembly Overall Length: 0.281 INCHES NOMINAL IN; Internal Fit-Up Designation: STANDARD; Rotating Element Locking Method: STRAIGHT SLEEVE; Block Type: FIXED. 10 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.