The Bearing Unit,plain, cataloged under National Stock Number 3130-00-370-0655, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Telemechanics Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-00-370-0655 |
| Primary Part Number | 150891 |
| Item Name | Bearing Unit,plain |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Telemechanics Inc |
| Status | ACTIVE |
| Housing Height | 0.750 INCHES NOMINAL IN |
| Housing Width | 0.378 INCHES NOMINAL IN |
| Surface Treatment | NICKEL OVERALL |
| Material | STEEL OVERALL |
| Housing Length | 0.875 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 |
|---|---|
| 150891 PRIMARY | Telemechanics Inc (USA) |
| Reference | Meaning |
|---|---|
| 150891 | 5/9 Secondary reference American Telephone and Telegraph Co |
NSN 3130-00-370-0655 is a Bearing Unit,plain, manufactured by Telemechanics Inc, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-00-370-0655 has 1 manufacturer part number on file: 150891 (Telemechanics Inc).
1 possible match (shared part number, not a government interchangeability claim): 5999-00-413-7737. Verify interchangeability with system specifications before substitution.
Key specifications for 150891: Housing Height: 0.750 INCHES NOMINAL IN; Housing Width: 0.378 INCHES NOMINAL IN; Surface Treatment: NICKEL OVERALL; Material: STEEL OVERALL. 5 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.