The Bearing,ball,annular, cataloged under National Stock Number 3110-00-135-4639, 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 12 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-135-4639 |
| Primary Part Number | SR3K35LD7 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | S/n Precision Enterprises, Inc. Dba Pacamor /kubar Bearings |
| Status | ACTIVE |
| Internal Clearance | 0.0003 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 0.5000 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Standard Tolerance Designation | ABEC NO.7 |
| Bore Diameter | 0.1875 INCHES NOMINAL IN |
| Material | STEEL COMP 440C INNER RING |
| Material | STEEL COMP 440C OUTER RING |
| Material | STEEL CORROSION RESISTING RETAINER |
| Material | STEEL COMP 440C BALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SR3K35LD7 PRIMARY | S/n Precision Enterprises, Inc. Dba Pacamor /kubar Bearings (USA) |
| SR3RP58LD PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
| S102 | Burton Medical Products Corporation (USA) |
| SR3W3DRY PRIMARY | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
| Reference | Meaning |
|---|---|
| SR3K35DRY | 3/2 Design control — primary reference U.S. Government activity |
| RMV33K5 | 5/9 Secondary reference Timken Co Div the Timken Company |
| SN1232AE7FJDRY | 5/9 Secondary reference Reed Instrument Bearing Co |
NSN 3110-00-135-4639 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 3110-00-135-4639 has 4 manufacturer part numbers on file: SR3K35LD7 (S/n Precision Enterprises, Inc. Dba Pacamor /kubar Bearings), SR3RP58LD (Mpb Corp Div Timken Super Precision), S102 (Burton Medical Products Corporation), SR3W3DRY (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation).
Key specifications for SR3K35LD7: Internal Clearance: 0.0003 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN; Surface Finish: GROUND; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE; Overall Width: 0.1562 INCHES NOMINAL IN. 12 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.