The Plate,retaining,bearing, cataloged under National Stock Number 3110-01-270-2803, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Columbus Jack Corporation Div Columbus Jack. Government technical data includes 19 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 | 3110-01-270-2803 |
| Primary Part Number | 865B1108 |
| Item Name | Plate,retaining,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Columbus Jack Corporation Div Columbus Jack |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES BORE |
| Length | 2.750 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Distance Between Holes Along Length | 1.250 INCHES NOMINAL IN |
| Mounting Hole Type | ROUND, THREADED |
| Mounting Hole Arrangement Style | FOUR HOLES |
| Overall Thickness | 0.375 INCHES NOMINAL IN |
| Distance Between Holes Along Width | 1.250 INCHES NOMINAL IN |
| Style Designator | RECTANGLE |
| Cross-Sectional Shape Style | FLAT W/APERTURE |
| Aperture Diameter | 0.755 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Distance From Horizontal Centerline to Center of Right Hole | 0.625 INCHES NOMINAL IN |
| Nominal Thread Size | 0.250 INCHES IN |
| Distance From Vertical Centerline to Center of Right Hole | 0.625 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Width | 2.000 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 28 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 865B1108 PRIMARY | Columbus Jack Corporation Div Columbus Jack (USA) |
NSN 3110-01-270-2803 is a Plate,retaining,bearing, manufactured by Columbus Jack Corporation Div Columbus Jack, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-270-2803 has 1 manufacturer part number on file: 865B1108 (Columbus Jack Corporation Div Columbus Jack).
Key specifications for 865B1108: Surface Finish: 63.0 MICROINCHES BORE; Length: 2.750 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Distance Between Holes Along Length: 1.250 INCHES NOMINAL IN. 19 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.