The Roller,linear-Rotary Motion, cataloged under National Stock Number 3120-01-014-4580, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Williams International Co., L.l.c.. Government technical data includes 8 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 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-014-4580 |
| Primary Part Number | 25231 |
| Item Name | Roller,linear-Rotary Motion |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Williams International Co., L.l.c. |
| Status | ACTIVE |
| Surface Treatment Document and Classification | +3610 24235 MFR REF SINGLE TREATMENT RESPONSE |
| Material Document and Classification | COMP 321 OR 347 ASSN STD SINGLE MATERIAL RESPONSE |
| Outside Diameter | 0.780 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Surface Treatment | PASSIVATE |
| Material | STEEL COMP 321 OR STEEL COMP 347 |
| Face Width | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Bore Inside Diameter | 0.371 INCHES MINIMUM AND 0.372 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 |
|---|---|
| 25231 PRIMARY | Williams International Co., L.l.c. (USA) |
NSN 3120-01-014-4580 is a Roller,linear-Rotary Motion, manufactured by Williams International Co., L.l.c., classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-014-4580 has 1 manufacturer part number on file: 25231 (Williams International Co., L.l.c.).
3 possible matches (shared part number, not a government interchangeability claim): 5998-01-111-8935, 4820-01-323-7037, 6545-01-597-9299. Verify interchangeability with system specifications before substitution.
Key specifications for 25231: Surface Treatment Document and Classification: +3610 24235 MFR REF SINGLE TREATMENT RESPONSE; Material Document and Classification: COMP 321 OR 347 ASSN STD SINGLE MATERIAL RESPONSE; Outside Diameter: 0.780 INCHES NOMINAL IN; Casehardening Indicator: NOT CASEHARDENED. 8 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.