The Bearing,ball,thrust, cataloged under National Stock Number 3110-00-156-1725, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-156-1725 |
| Primary Part Number | A-A-52491 |
| Item Name | Bearing,ball,thrust |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Overall Outside Diameter | 2.2187 INCHES NOMINAL IN |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Standard Tolerance Designation | AFBMA STD TOLERANCE FOR THRUST BEARINGS |
| Thrust Directional Capability Designation | SINGLE |
| Style Designator | GROOVED RACE SURFACE |
| Material | STEEL COMP E51100 OR STEEL COMP E52100 OVERALL |
| Alignment Type | RIGID |
| Surface Finish | GROUND |
| Bore Smallest Diameter | 1.3750 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A-A-52491 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| 709691 | Army Weapons Command Attn Amswe-Ree-S (USA) |
| 011 | Skf Usa Inc. (USA) |
| AA52491-38 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| 4311 | Timken Co Div the Timken Company (USA) |
| R4690 | American Standard Inc Westinghouse Air Brake Co Div (USA) |
| 4311S | Timken Co Div the Timken Company (USA) |
| MS17161-38 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 8B | Skf Usa Inc. (USA) |
| W1 3-8 | Fag Bearings Corporation (USA) |
NSN 3110-00-156-1725 is a Bearing,ball,thrust, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-00-156-1725 has 10 cross-referenced part numbers: A-A-52491 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 709691 (Army Weapons Command Attn Amswe-Ree-S), 011 (Skf Usa Inc.), AA52491-38 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 4311 (Timken Co Div the Timken Company) and 5 more.
There are 12 known substitutes for 3110-00-156-1725: 5975-00-092-5040, 5330-00-110-3823, 6625-00-123-3103 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for A-A-52491: Overall Outside Diameter: 2.2187 INCHES NOMINAL IN; Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL; Standard Tolerance Designation: AFBMA STD TOLERANCE FOR THRUST BEARINGS; Overall Height: 0.7187 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.