The Bearing,ball,annular, cataloged under National Stock Number 3110-00-155-6255, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-155-6255 |
| Primary Part Number | FF-B-171 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Surface Finish | GROUND |
| Bore Shape | STRAIGHT |
| Nondefinitive Spec/std Data | 111CL2GR00 TYPE |
| Material | STEEL INNER RING |
| Material | STEEL BALL |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material | STEEL SHIELD |
| Material | STEEL OUTER RING |
| Standard Tolerance Designation | ABEC NO.1 |
| Overall Outside Diameter | 225.00 MILLIMETERS NOMINAL MM |
| Shield Quantity | 1 |
| Load Direction | RADIAL |
| Internal Fit-Up Designation | STANDARD |
| Bore Diameter | 105.00 MILLIMETERS NOMINAL MM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FF-B-171 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 321SF | Skf Usa Inc. (USA) |
| 1321F | Schatz Bearing Corporation Dba Schatz Bearing Corp (USA) |
| 6321ZCE1TX9 | Nsk Corp Bearing Div (USA) |
| AA59585-221JBBT | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| 321KD | Timken Co Div the Timken Company (USA) |
| 319687-232 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| AA59585 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| CAAX3HM | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 701039 | Army Weapons Command Attn Amswe-Ree-S (USA) |
NSN 3110-00-155-6255 is a Bearing,ball,annular, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-00-155-6255 has 10 cross-referenced part numbers: FF-B-171 (Federal Specifications Promulgated by General Services Administration Washington DC), 321SF (Skf Usa Inc.), 1321F (Schatz Bearing Corporation Dba Schatz Bearing Corp), 6321ZCE1TX9 (Nsk Corp Bearing Div), AA59585-221JBBT (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 5 more.
There are 3 known substitutes for 3110-00-155-6255: 5961-00-492-4165, 2520-00-773-5496, 5935-01-356-6491. Verify interchangeability with system specifications before substitution.
Key specifications for FF-B-171: Surface Finish: GROUND; Bore Shape: STRAIGHT; Nondefinitive Spec/std Data: 111CL2GR00 TYPE; Material: STEEL INNER RING. 15 total characteristics are documented in the Federal Logistics Information System.