The Bearing,roller,needle, cataloged under National Stock Number 3110-00-446-3220, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Timken Aerospace, Inc Dba Torrington Product. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-446-3220 |
| Primary Part Number | 10921640 |
| Item Name | Bearing,roller,needle |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Timken Aerospace, Inc Dba Torrington Product |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Surface Finish | GROUND |
| Style Designator | SEPARABLE INNER RACE, WITH ROLLER RETAINER, HARDENED AND GROUND |
| Overall Outside Diameter | 4.6250 INCHES NOMINAL IN |
| Alignment Type | RIGID |
| Standard Tolerance Designation | AFBMA STD TOLERANCE FOR INDUSTRIAL NEEDLE BEARINGS |
| Bore Diameter | 3.7500 INCHES NOMINAL IN |
| Material | STEEL 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 |
|---|---|
| C6549A | Timken Aerospace, Inc Dba Torrington Product (USA) |
| 10921640 PRIMARY | Timken Aerospace, Inc Dba Torrington Product (USA) |
| 10921640 PRIMARY | Gwilliam Company, Inc. Div Ball & Roller Bearing Division (USA) |
| 10921640 PRIMARY | Rbc Bearings Incorporated Div West Trenton Division (USA) |
| Reference | Meaning |
|---|---|
| 1SE5336 | 5/9 Secondary reference Orange Roller Bearing Co Inc |
| 10921640 | 5/9 Secondary reference Schaeffler Group Usa Inc. Dba Ina Bearing |
| 10921640 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
| DTA92044 | 5/9 Secondary reference U.S. Government activity |
| C6549A | 5/9 Secondary reference Timken Co Div the Timken Company |
| FC68085 | 5/9 Secondary reference Schaeffler Group Usa Inc. Dba Ina Bearing |
| 3110004463220 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 10921640 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-00-446-3220 is a Bearing,roller,needle, manufactured by Timken Aerospace, Inc Dba Torrington Product, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-446-3220 has 4 manufacturer part numbers on file: C6549A (Timken Aerospace, Inc Dba Torrington Product), 10921640 (Timken Aerospace, Inc Dba Torrington Product), 10921640 (Gwilliam Company, Inc. Div Ball & Roller Bearing Division), 10921640 (Rbc Bearings Incorporated Div West Trenton Division).
Key specifications for 10921640: Retainer Fabrication Method: PRESSED; Surface Finish: GROUND; Style Designator: SEPARABLE INNER RACE, WITH ROLLER RETAINER, HARDENED AND GROUND; Overall Width: 1.5000 INCHES NOMINAL 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.