The Bearing Unit,plain, cataloged under National Stock Number 3130-01-271-8428, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 15 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 | 3130-01-271-8428 |
| Primary Part Number | 5905583 |
| Item Name | Bearing Unit,plain |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Assembly Overall Length | 2.029 INCHES MINIMUM AND 2.033 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE HOUSING |
| Flange Thickness | 0.470 INCHES MINIMUM AND 0.474 INCHES MAXIMUM IN |
| Mounting Hole Type | ROUND, UNTHREADED |
| Material Document and Classification | ASTM A564 ASSN STD SINGLE MATERIAL RESPONSE INNER LINER |
| Material Document and Classification | QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE HOUSING |
| Mounting Hole Diameter | 0.397 INCHES MINIMUM AND 0.411 INCHES MAXIMUM IN |
| Alignment Type | RIGID |
| Shaft End Type | OPEN |
| Surface Treatment | ANODIZE HOUSING |
| Bore Diameter | 1.6780 INCHES MINIMUM AND 1.6980 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 6061 HOUSING |
| Material | STEEL COMP 630 INNER LINER |
| Housing Diameter | 6.8750 INCHES NOMINAL IN |
| 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 |
|---|---|
| 5905583 PRIMARY | Naval Sea Systems Command (USA) |
NSN 3130-01-271-8428 is a Bearing Unit,plain, manufactured by Naval Sea Systems Command, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-271-8428 has 1 manufacturer part number on file: 5905583 (Naval Sea Systems Command).
Key specifications for 5905583: Assembly Overall Length: 2.029 INCHES MINIMUM AND 2.033 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-A-8625,TYPE 2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE HOUSING; Flange Thickness: 0.470 INCHES MINIMUM AND 0.474 INCHES MAXIMUM IN; Mounting Hole Type: ROUND, UNTHREADED. 15 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.