The Bearing,roller,tapered, cataloged under National Stock Number 3110-01-076-6774, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-076-6774 |
| Primary Part Number | 12283133 |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Cup Width | 0.9242 INCHES MINIMUM AND 0.9272 INCHES MAXIMUM IN |
| Style Designator | STRAIGHT BORE, NORMAL ANGLE |
| Overall Outside Diameter | 3.7397 INCHES MINIMUM AND 3.7402 INCHES MAXIMUM IN |
| Backface Corner Radius | 0.1000 INCHES NOMINAL IN |
| Cone Corner Radius | 0.0600 INCHES MINIMUM IN |
| Standout Width | 0.2165 INCHES NOMINAL IN |
| Cone Width | 1.1317 INCHES MINIMUM AND 1.1447 INCHES MAXIMUM IN |
| Bore Diameter | 2.1649 INCHES MINIMUM AND 2.1654 INCHES MAXIMUM IN |
| Material | STEEL COMP E52100 OVERALL |
| 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 |
|---|---|
| 12283133 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| JM207049/JM207010 CLASS C | 3/9 Design control — primary reference The Timken Corporation |
NSN 3110-01-076-6774 is a Bearing,roller,tapered, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-076-6774 has 1 manufacturer part number on file: 12283133 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12283133: Cup Width: 0.9242 INCHES MINIMUM AND 0.9272 INCHES MAXIMUM IN; Style Designator: STRAIGHT BORE, NORMAL ANGLE; Overall Width: 0.9152 INCHES MINIMUM AND 0.9272 INCHES MAXIMUM IN; Overall Outside Diameter: 3.7397 INCHES MINIMUM AND 3.7402 INCHES MAXIMUM IN. 9 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.