The Bearing Unit,plain, cataloged under National Stock Number 3130-01-646-2703, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 7 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 | 3130-01-646-2703 |
| Primary Part Number | 13037900 |
| Item Name | Bearing Unit,plain |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Flange Thickness | 0.339 INCHES NOMINAL IN |
| Style Designator | FLANGE BLOCK |
| Overall Outside Diameter | 4.870 INCHES NOMINAL IN |
| Bolt Circle Diameter | 4.125 INCHES NOMINAL IN |
| Bore Diameter | 1.2513 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Housing Length | 1.881 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 13037900 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 3130-01-646-2703 is a Bearing Unit,plain, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-646-2703 has 1 manufacturer part number on file: 13037900 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 13037900: Flange Thickness: 0.339 INCHES NOMINAL IN; Style Designator: FLANGE BLOCK; Overall Outside Diameter: 4.870 INCHES NOMINAL IN; Bolt Circle Diameter: 4.125 INCHES NOMINAL IN. 7 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.
NSN 3130-01-646-2703 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.