The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-100-4407, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Oshkosh Defense Llc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-100-4407 |
| Primary Part Number | 21F |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| Style Designator | STRAIGHT BORE, NORMAL ANGLE |
| Standout Width | 0.3125 INCHES NOMINAL IN |
| Cone Width | 21.8375 INCHES NOMINAL IN |
| Bore Diameter | 3.3475 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Overall Outside Diameter | 5.9090 INCHES NOMINAL IN |
| Backface Corner Radius | 0.1300 INCHES NOMINAL IN |
| Cone Corner Radius | 0.1400 INCHES NOMINAL IN |
| Cup Width | 1.4375 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 21F | Oshkosh Defense Llc (USA) |
| FF-B-187/01-626 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 3110001004407 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| FF-B-187/1 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 749-742 | Kentucky Mfg Co (USA) |
| MS19081-134 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 21F | Oshkosh Corp (USA) |
| X18D10 | Westinghouse Electric Corp Power Generation-Generator Div (USA) |
| A-A-59649 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| AA59649-626 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| 3110001004407 | E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 749-742 | The Timken Corporation (USA) |
| X18D10 | Westinghouse Electric Corp (USA) |
NSN 3110-00-100-4407 is a Bearing,roller,tapered, manufactured by Oshkosh Defense Llc, classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-00-100-4407 has 13 cross-referenced part numbers: 21F (Oshkosh Defense Llc), FF-B-187/01-626 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 3110001004407 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), FF-B-187/1 (Federal Specifications Promulgated by General Services Administration Washington DC), 749-742 (Kentucky Mfg Co) and 8 more.
There are 2 known substitutes for 3110-00-100-4407: 3110-00-100-0683, 5975-00-280-3836. Verify interchangeability with system specifications before substitution.
Key specifications for 21F: Overall Width: 1.7500 INCHES NOMINAL IN; Material: STEEL OVERALL; Style Designator: STRAIGHT BORE, NORMAL ANGLE; Standout Width: 0.3125 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.