The Bearing Unit,plain, cataloged under National Stock Number 3130-00-340-4375, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is U S Bearings. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-00-340-4375 |
| Primary Part Number | HU-8-103 |
| Item Name | Bearing Unit,plain |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | U S Bearings |
| Status | ACTIVE |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| HU-8-103 PRIMARY | U S Bearings (USA) |
| Reference | Meaning |
|---|---|
| KSSB8-1 | 3/2 Design control — primary reference U.S. Government activity |
| BHDN8600 | 3/2 Design control — primary reference U.S. Government activity |
| 750369-4 | 5/2 Secondary reference U.S. Government activity |
NSN 3130-00-340-4375 is a Bearing Unit,plain, manufactured by U S Bearings, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-00-340-4375 has 1 manufacturer part number on file: HU-8-103 (U S Bearings).
Key specifications for HU-8-103: Material Document and Classification: MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Special Features: HOUSING DIA. IS 0.8750 IN. MAX.,0.8745 IN. MIN.;PIN MATERIAL IS SAE 4340 STEEL,PER MIL-S-5000;RACE MATERIAL IS 431 STAINLESS STEEL;BALL MATERIAL ISHARD CHROME PLATE SPHERICAL SURFACE;PART OF PIN BEARING ASSY. IN; Material: STEEL OVERALL. 2 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.