The Cone and Rollers,tapered Roller, cataloged under National Stock Number 3110-01-155-8703, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Federal-Mogul Corp Government Sales Dept. Government technical data includes 7 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-155-8703 |
| Primary Part Number | HM88648 |
| Item Name | Cone and Rollers,tapered Roller |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Federal-Mogul Corp Government Sales Dept |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Style Designator | NORMAL ANGLE |
| Cone Corner Radius | 0.1400 INCHES NOMINAL IN |
| Cone Width | 1.0000 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 4 |
| Bore Diameter | 1.4062 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 |
|---|---|
| HM88648 PRIMARY | Federal-Mogul Corp Government Sales Dept (USA) |
| HM88648 | The Timken Corporation (USA) |
| Reference | Meaning |
|---|---|
| 503098C91 | 5/2 Secondary reference U.S. Government activity |
| 3170947 | 5/9 Secondary reference Kenosha Automotive Plant Sub of American Motors Corp |
| 3170947 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| FF-B-187 | 4/1 Identification reference U.S. Government activity |
NSN 3110-01-155-8703 is a Cone and Rollers,tapered Roller, manufactured by Federal-Mogul Corp Government Sales Dept, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-155-8703 has 2 manufacturer part numbers on file: HM88648 (Federal-Mogul Corp Government Sales Dept), HM88648 (The Timken Corporation).
Key specifications for HM88648: Retainer Fabrication Method: PRESSED; Style Designator: NORMAL ANGLE; Cone Corner Radius: 0.1400 INCHES NOMINAL IN; Cone Width: 1.0000 INCHES NOMINAL IN. 7 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.