The Bearing,ball,annular, cataloged under National Stock Number 3110-01-392-9402, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Western Precision Inc. Div Utah Tool & Die. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-392-9402 |
| Primary Part Number | SSRI1634ZKR5P25LG54 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Western Precision Inc. Div Utah Tool & Die |
| Status | ACTIVE |
| Lubrication Material | GREASE |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 0.9998 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Bore Diameter | 0.7498 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN |
| Material | STEEL COMP 440C OVERALL |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC 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 | X |
| Part Number | Manufacturer |
|---|---|
| SSRI1634ZKR5P25LG54 PRIMARY | Western Precision Inc. Div Utah Tool & Die (USA) |
| 12277724-2 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3110-01-392-9402 is a Bearing,ball,annular, manufactured by Western Precision Inc. Div Utah Tool & Die, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-392-9402 has 2 manufacturer part numbers on file: SSRI1634ZKR5P25LG54 (Western Precision Inc. Div Utah Tool & Die), 12277724-2 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for SSRI1634ZKR5P25LG54: Lubrication Material: GREASE; Internal Fit-Up Designation: STANDARD; Surface Finish: GROUND; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE. 10 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.