The Bearing Unit,ball, cataloged under National Stock Number 3130-01-082-9644, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is A. F. Machine & Tool Co., Inc.. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-082-9644 |
| Primary Part Number | 70400-01612-043 |
| Item Name | Bearing Unit,ball |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | A. F. Machine & Tool Co., Inc. |
| Status | ACTIVE |
| Flange Thickness | 0.2200 INCHES NOMINAL IN |
| Block Type | FIXED |
| Style Designator | FLANGE BLOCK |
| Mounting Hole Diameter | 0.2530 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM IN |
| Features Provided | GROUND ROLLING ELEMENT GROOVE |
| Rolling Element Groove Quantity | 1 |
| Bore Diameter | 1.3115 INCHES MINIMUM AND 1.3120 INCHES MAXIMUM IN |
| Housing Length | 0.5000 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 | F |
| Part Number | Manufacturer |
|---|---|
| 70400-01612-043 PRIMARY | A. F. Machine & Tool Co., Inc. (USA) |
| 70400-01612-043 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 3130PL1941117 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 3130-01-082-9644 is a Bearing Unit,ball, manufactured by A. F. Machine & Tool Co., Inc., classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-082-9644 has 2 manufacturer part numbers on file: 70400-01612-043 (A. F. Machine & Tool Co., Inc.), 70400-01612-043 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 70400-01612-043: Flange Thickness: 0.2200 INCHES NOMINAL IN; Block Type: FIXED; Style Designator: FLANGE BLOCK; Mounting Hole Diameter: 0.2530 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM IN. 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.