The Roller,bearing, cataloged under National Stock Number 3110-00-044-4470, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Carter Aerospace Bearings, Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-044-4470 |
| Primary Part Number | SB2604-1 |
| Item Name | Roller,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Carter Aerospace Bearings, Inc |
| Status | ACTIVE |
| Rolling Element Diameter | 0.4140 INCHES NOMINAL IN |
| Style Designator | NEEDLE ROLLER, CONICAL ENDS |
| 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 | F |
| Part Number | Manufacturer |
|---|---|
| SB2604-1 | Carter Aerospace Bearings, Inc (USA) |
| SB2604-1 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| SB2604-1 | Rotair Aerospace Corp (USA) |
| Reference | Meaning |
|---|---|
| QBC31250 | 5/1 Secondary reference Timken Aerospace, Inc Dba Torrington Product |
| 2039-04140-10330-701-10 | 5/9 Secondary reference Regal Beloit America, Inc. Dba Rollway Bearing |
| SB2604-1 | 3/2 Design control — primary reference U.S. Government activity |
| S20787-2 | 5/1 Secondary reference U.S. Government activity |
| 2039-04140-10330-102-10 | 5/9 Secondary reference Regal Beloit America, Inc. Dba Rollway Bearing |
NSN 3110-00-044-4470 is a Roller,bearing, manufactured by Carter Aerospace Bearings, Inc, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-044-4470 has 3 manufacturer part numbers on file: SB2604-1 (Carter Aerospace Bearings, Inc), SB2604-1 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), SB2604-1 (Rotair Aerospace Corp).
Key specifications for SB2604-1: Rolling Element Diameter: 0.4140 INCHES NOMINAL IN; Style Designator: NEEDLE ROLLER, CONICAL ENDS; Overall Length: 1.0330 INCHES NOMINAL IN; Material: STEEL OVERALL. 3 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.