The Bearing,ball,annular, cataloged under National Stock Number 3110-01-258-0887, 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 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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 | 3110-01-258-0887 |
| Primary Part Number | MIL-B-81793C |
| 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 |
| Material | STEEL COMP 440C OUTER RING |
| Material | FIBER AND ALUMINUM SEAL |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material | STEEL COMP 440C INNER RING |
| Bearing Seal Type | CONTACT |
| Load Direction | RADIAL |
| Lubrication Material | GREASE |
| Retainer Fabrication Method | PRESSED |
| Standard Tolerance Designation | ABEC NO.7 |
| Seal Quantity | 2 |
| Surface Finish | GROUND |
| Flange Outside Diameter | 0.9670 INCHES MINIMUM AND 0.9740 INCHES MAXIMUM IN |
| Internal Clearance | 0.0004 INCHES MINIMUM RADIAL AND 0.0010 INCHES MAXIMUM RADIAL IN |
| Bore Shape | STRAIGHT |
| Flange Width | 0.0600 INCHES MINIMUM AND 0.0640 INCHES MAXIMUM IN |
| Outer Ring Outside Diameter | 0.8746 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN |
| Material Document and Classification | AISI 440C ASSN STD SINGLE MATERIAL RESPONSE BALL |
| Material Document and Classification | AISI 440C ASSN STD SINGLE MATERIAL RESPONSE INNER RING |
| Material | PLASTIC PHENOLIC CAGE |
| Material Document and Classification | AISI 440C ASSN STD SINGLE MATERIAL RESPONSE OUTER RING |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| Material | STEEL COMP 440C BALL |
| Bore Diameter | 0.3747 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-B-81793C | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| M81793-DKJLANS4ES71ASS | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| SFR6FFTA G-32 | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
| 9361318-1 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 3110-01-258-0887 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 3110-01-258-0887 has 4 cross-referenced part numbers: MIL-B-81793C (Federal Specifications Promulgated by General Services Administration Washington DC), M81793-DKJLANS4ES71ASS (Federal Specifications Promulgated by General Services Administration Washington DC), SFR6FFTA G-32 (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation), 9361318-1 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
There are 12 known substitutes for 3110-01-258-0887: 3110-00-184-1004, 3110-00-198-0928, 3110-00-198-2051 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-B-81793C: Material: STEEL COMP 440C OUTER RING; Material: FIBER AND ALUMINUM SEAL; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE; Material: STEEL COMP 440C INNER RING. 24 total characteristics are documented in the Federal Logistics Information System.