The Bearing,ball,annular, cataloged under National Stock Number 3110-01-129-2773, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is S/n Precision Enterprises, Inc. Dba Pacamor /kubar Bearings. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-129-2773 |
| Primary Part Number | 12265587-1 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | S/n Precision Enterprises, Inc. Dba Pacamor /kubar Bearings |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Lubrication Material | OIL OR GREASE |
| Internal Fit-Up Designation | STANDARD |
| Flange Outside Diameter | 0.9670 INCHES MINIMUM AND 0.9740 INCHES MAXIMUM IN |
| Surface Finish | GROUND |
| Criticality Code Justification | MATT AND LBMA |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Seal Quantity | 2 |
| 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 |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 0.3745 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN |
| Material | STEEL COMP E52100 OVERALL |
| Lubrication Material Document and Classification | MIL-L-7870 MIL SPEC SINGLE MATERIAL RESPONSE OR 99252,SR 1,GRADE 2 MFR REF SINGLE MATERIAL RESPONSE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 12265587-1 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12265587-1 PRIMARY | S/n Precision Enterprises, Inc. Dba Pacamor /kubar Bearings (USA) |
| 12265587-1 PRIMARY | Timken Co Div the Timken Company (USA) |
| Reference | Meaning |
|---|---|
| 12265587-1 | 3/2 Design control — primary reference U.S. Government activity |
| RIF-1438DDRA1P58LY75 | 5/1 Secondary reference U.S. Government activity |
| SFR6TT | 5/1 Secondary reference S/n Precision Enterprises, Inc. Dba Pacamor /kubar Bearings |
| FS3PP-FS428 | 5/9 Secondary reference Timken Co Div the Timken Company |
| FS8PPFS179A | 5/1 Secondary reference Timken Co Div the Timken Company |
NSN 3110-01-129-2773 is a Bearing,ball,annular, manufactured by S/n Precision Enterprises, Inc. Dba Pacamor /kubar Bearings, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-129-2773 has 3 manufacturer part numbers on file: 12265587-1 (U S Army Tank Automotive Command Amsta-Im-Mm), 12265587-1 (S/n Precision Enterprises, Inc. Dba Pacamor /kubar Bearings), 12265587-1 (Timken Co Div the Timken Company).
Key specifications for 12265587-1: Retainer Fabrication Method: PRESSED; Lubrication Material: OIL OR GREASE; Internal Fit-Up Designation: STANDARD; Flange Outside Diameter: 0.9670 INCHES MINIMUM AND 0.9740 INCHES MAXIMUM IN. 17 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.