The Plate,retaining,bearing, cataloged under National Stock Number 3110-01-121-7495, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-121-7495 |
| Primary Part Number | 176C1979 |
| Item Name | Plate,retaining,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
| Status | ACTIVE |
| Minor Thickness | 0.040 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Mounting Hole Type | ROUND, UNTHREADED |
| Counterbore Diameter | 1.160 INCHES MINIMUM AND 1.180 INCHES MAXIMUM IN |
| Counterbore Depth | 1.120 INCHES NOMINAL IN |
| Overall Thickness | 1.160 INCHES MINIMUM AND 1.200 INCHES MAXIMUM IN |
| Hardness Rating | 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| Style Designator | ROUND |
| Mounting Hole Diameter | 0.285 INCHES MINIMUM AND 0.301 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | COUNTERBORED W/ APERTURE |
| Outside Diameter | 3.070 INCHES MINIMUM AND 3.110 INCHES MAXIMUM IN |
| Aperture Diameter | 1.440 INCHES MINIMUM AND 1.480 INCHES MAXIMUM IN |
| Material | STEEL COMP 4140 OVERALL |
| 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 |
|---|---|
| 176C1979 PRIMARY | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA) |
NSN 3110-01-121-7495 is a Plate,retaining,bearing, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-121-7495 has 1 manufacturer part number on file: 176C1979 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).
Key specifications for 176C1979: Minor Thickness: 0.040 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN; Mounting Hole Type: ROUND, UNTHREADED; Counterbore Diameter: 1.160 INCHES MINIMUM AND 1.180 INCHES MAXIMUM IN; Counterbore Depth: 1.120 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.