The Bearing Unit,plain, cataloged under National Stock Number 3130-01-663-1746, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is C-Flex Bearing Co Inc. 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Bearing Unit,plain |
| FSC / FSG | 3130 — Bearings, Mounted (FSG 31) |
| Manufacturers | C-Flex Bearing Co Inc (CAGE 0YYX2) |
| Parameter | Value |
|---|---|
| NSN | 3130-01-663-1746 |
| Primary Part Number | ID-20 |
| Item Name | Bearing Unit,plain |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | C-Flex Bearing Co Inc |
| Status | ACTIVE |
| Assembly Overall Length | 1.197 INCHES MINIMUM AND 1.203 INCHES MAXIMUM IN |
| Overall Outside Diameter | 0.749 INCHES MINIMUM AND 0.750 INCHES MAXIMUM 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 |
|---|---|
| ID-20 PRIMARY | C-Flex Bearing Co Inc (USA) |
NSN 3130-01-663-1746 is a Bearing Unit,plain, manufactured by C-Flex Bearing Co Inc, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-663-1746 has 1 manufacturer part number on file: ID-20 (C-Flex Bearing Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 4910-01-719-7148. Verify interchangeability with system specifications before substitution.
Key specifications for ID-20: Assembly Overall Length: 1.197 INCHES MINIMUM AND 1.203 INCHES MAXIMUM IN; Overall Outside Diameter: 0.749 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Special Features: TORSIONAL SPRING RATE .4002, LOAD CAPACITY LC 630.00 LOAD CAPACITY LT 900.00; Part Name Assigned by Controlling Agency: DOUBLE END BEARING. 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.