The Plate,retaining,bearing, cataloged under National Stock Number 3110-01-216-4086, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 25 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 | 3110-01-216-4086 |
| Primary Part Number | 23018131 |
| Item Name | Plate,retaining,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Countersink Diameter | 0.400 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Minor Thickness | 0.140 INCHES NOMINAL IN |
| Raised Surface Height | 0.390 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN |
| Mounting Hole Type | ROUND, THREADED, COUNTERSUNK |
| Counterbore Diameter | 4.5206 INCHES MINIMUM AND 4.5220 INCHES MAXIMUM IN |
| Counterbore Depth | 1.170 INCHES NOMINAL IN |
| Mounting Hole Arrangement Style | VERTICAL CENTERLINE |
| Overall Thickness | 1.310 INCHES NOMINAL IN |
| Hardness Rating | 70.0 BRINELL STANDARD MINIMUM AND 90.0 BRINELL STANDARD MAXIMUM |
| Distance Between Holes Along Width | 6.000 INCHES NOMINAL IN |
| Style Designator | ROUND WITH LUGS |
| Material Document and Classification | SAE J453,GRADE 322-T71 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RAISED SURFACE W/APERTURE |
| Outside Diameter | 6.750 INCHES NOMINAL IN |
| Distance From Horizontal Centerline to Center of Lower Hole | 3.000 INCHES NOMINAL IN |
| Aperture Diameter | 3.960 INCHES NOMINAL IN |
| Lug Width | 0.880 INCHES NOMINAL IN |
| Nominal Thread Size | 0.375 INCHES IN |
| Lug Quantity | 1 |
| Countersink Angle | 85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM |
| Outside Raised Surface Diameter | 5.125 INCHES MINIMUM AND 5.126 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 16 |
| Material | ALUMINUM ALLOY 355.0 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Radius From Center of Plate to End of Lug | 3.560 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3110-01-216-4086 is a Plate,retaining,bearing, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-216-4086 has 2 manufacturer part numbers on file: 23018131 (Hema Disli Sanayi Ve Tic.a.s.), 23018131 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 23018131: Countersink Diameter: 0.400 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN; Minor Thickness: 0.140 INCHES NOMINAL IN; Raised Surface Height: 0.390 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN; Mounting Hole Type: ROUND, THREADED, COUNTERSUNK. 25 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.