The Bearing,ball,annular, cataloged under National Stock Number 3110-01-087-0312, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-087-0312 |
| Primary Part Number | 056-5 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Load Direction | RADIAL |
| Lubrication Material | OIL |
| Standard Tolerance Designation | ABEC NO.1 |
| Material | STEEL COMP 5140 OVERALL |
| Lubrication Material Document and Classification | MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 000-01791-013 | Safran (FRA) |
| 056-5 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| R4A4L-1-ST-E-023-H-89-S-00000-0 | Skf Usa Inc. (USA) |
| R4AXR1A | General Motors Corp Delco Moraine Ndh Div (USA) |
| S1KFS174 | Timken Co Div the Timken Company (USA) |
| 000-01791-013 | Sfim Industries (FRA) |
| R4A1D | New Hampshire Ball Bearings Inc Div Hitech Division (USA) |
| S1R | Fag Bearings Corporation (USA) |
NSN 3110-01-087-0312 is a Bearing,ball,annular, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-01-087-0312 has 8 cross-referenced part numbers: 000-01791-013 (Safran), 056-5 (Lockheed Martin Corporation Div Rms - Mitchel Field), R4A4L-1-ST-E-023-H-89-S-00000-0 (Skf Usa Inc.), R4AXR1A (General Motors Corp Delco Moraine Ndh Div), S1KFS174 (Timken Co Div the Timken Company) and 3 more.
There are 7 known substitutes for 3110-01-087-0312: 5905-00-107-9087, 3895-00-160-6363, 8115-00-179-0565 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 056-5: Load Direction: RADIAL; Lubrication Material: OIL; Standard Tolerance Designation: ABEC NO.1; Special Features: BEARING OD 0.7500 IN.; BORE DIA 0.2188 IN.; OVERALL WIDTH 0.2188 IN. 6 total characteristics are documented in the Federal Logistics Information System.