The Plate,retaining,bearing, cataloged under National Stock Number 3110-01-131-7408, 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 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3110-01-131-7408 |
| Primary Part Number | 211F957 |
| Item Name | Plate,retaining,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
| Status | ACTIVE |
| Corner Radius | 0.280 INCHES NOMINAL IN |
| Length | 4.140 INCHES NOMINAL IN |
| Minor Thickness | 0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN |
| Mounting Hole Type | ROUND, UNTHREADED |
| Counterbore Diameter | 1.6535 INCHES MINIMUM AND 1.6541 INCHES MAXIMUM IN |
| Counterbore Depth | 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN |
| Overall Thickness | 0.150 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN |
| Hardness Rating | 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| Style Designator | DIAMOND |
| Mounting Hole Diameter | 0.285 INCHES MINIMUM AND 0.301 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | COUNTERBORED W/ APERTURE |
| Aperture Diameter | 1.560 INCHES MINIMUM AND 1.580 INCHES MAXIMUM IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Width | 1.900 INCHES NOMINAL IN |
| Material | STEEL 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 |
|---|---|
| 211F957 PRIMARY | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA) |
| Reference | Meaning |
|---|---|
| 211F957-1 | D/9 Drawing number reference only General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
NSN 3110-01-131-7408 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 3110-01-131-7408 has 1 manufacturer part number on file: 211F957 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).
Key specifications for 211F957: Corner Radius: 0.280 INCHES NOMINAL IN; Length: 4.140 INCHES NOMINAL IN; Minor Thickness: 0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN; Mounting Hole Type: ROUND, UNTHREADED. 15 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.