The Bearing,ball,thrust, cataloged under National Stock Number 3110-01-238-4660, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Designatronics Inc Stock Drive Products Div. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-238-4660 |
| Primary Part Number | 7Z7-100ST |
| Item Name | Bearing,ball,thrust |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Designatronics Inc Stock Drive Products Div |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Surface Finish | GROUND |
| Style Designator | FLAT RACE SURFACE, IN LINE BALL RETAINER |
| Thrust Directional Capability Designation | PLAIN |
| Overall Outside Diameter | 1.6250 INCHES NOMINAL IN |
| Bore Smallest Diameter | 1.0000 INCHES NOMINAL IN |
| Alignment Type | RIGID |
| Largest Bore Diameter | 1.0000 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA STD TOLERANCE FOR THRUST BEARINGS |
| Material | PLASTIC POLYAMIDE NYLON RETAINER |
| Material | STEEL COMP 440C BALL |
| Material | STEEL COMP 410 WASHER |
| 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 |
|---|---|
| 7Z7-100ST | Designatronics Inc Stock Drive Products Div (USA) |
| Reference | Meaning |
|---|---|
| B5-10-SS | 3/9 Design control — primary reference W. M. Berg, Inc. |
NSN 3110-01-238-4660 is a Bearing,ball,thrust, manufactured by Designatronics Inc Stock Drive Products Div, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-238-4660 has 1 manufacturer part number on file: 7Z7-100ST (Designatronics Inc Stock Drive Products Div).
Key specifications for 7Z7-100ST: Retainer Fabrication Method: MACHINED; Overall Height: 0.4370 INCHES NOMINAL IN; Surface Finish: GROUND; Style Designator: FLAT RACE SURFACE, IN LINE BALL RETAINER. 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.