The Bearing,ball,linear Motion, cataloged under National Stock Number 3110-00-293-9573, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Thomas Industries Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3110-00-293-9573 |
| Primary Part Number | A4812SS |
| Item Name | Bearing,ball,linear Motion |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Thomas Industries Inc |
| Status | ACTIVE |
| Working Bore Diameter | 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Style Designator | INSTRUMENT SERIES |
| Overall Outside Diameter | 0.4996 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Distance Between Retaining Rings | 0.4370 INCHES NOMINAL 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 |
|---|---|
| A4812SS | Nsk Uk Ltd (GBR) |
| 649-801-020-0 | Safran Aircraft Engines (FRA) |
| A4812SS PRIMARY | Thomas Industries Inc (USA) |
| 9176595 | Us Army Aviation and Missile Command (USA) |
| 12Z10010-30 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 300-683-401P | Safran Aircraft Engines (FRA) |
| 611-107-095-0 | Safran Aircraft Engines (FRA) |
| 300-683-401-0 | Safran Aircraft Engines (FRA) |
| Reference | Meaning |
|---|---|
| 507582-1 | 5/2 Secondary reference U.S. Government activity |
| 16610067-001 | 7/2 Vendor item drawing reference Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services |
| SM-C-806021-1 | 5/2 Secondary reference U.S. Government activity |
| A4812SS | 3/2 Design control — primary reference U.S. Government activity |
| 50758-1 | 5/9 Secondary reference U.S. Government activity |
NSN 3110-00-293-9573 is a Bearing,ball,linear Motion, manufactured by Thomas Industries Inc, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-293-9573 has 8 manufacturer part numbers on file: A4812SS (Nsk Uk Ltd), 649-801-020-0 (Safran Aircraft Engines), A4812SS (Thomas Industries Inc), 9176595 (Us Army Aviation and Missile Command), 12Z10010-30 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier) and 3 more.
2 possible matches (shared part number, not a government interchangeability claim): 5998-01-113-2489, 5895-01-128-7831. Verify interchangeability with system specifications before substitution.
Key specifications for A4812SS: Working Bore Diameter: 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN; Style Designator: INSTRUMENT SERIES; Overall Length: 0.7350 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN; Overall Outside Diameter: 0.4996 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN. 5 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.