The Bearing,roller,needle, cataloged under National Stock Number 3110-00-159-9555, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Rbc Bearings Incorporated Div West Trenton Division. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-159-9555 |
| Primary Part Number | 12NBC1822ANG25 |
| Item Name | Bearing,roller,needle |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Rbc Bearings Incorporated Div West Trenton Division |
| Status | ACTIVE |
| Lubrication Material | GREASE |
| Overall Outside Diameter | 1.3750 INCHES NOMINAL IN |
| Alignment Type | RIGID |
| Surface Treatment | CADMIUM OVERALL |
| Bore Diameter | 0.7500 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 |
| Part Number | Manufacturer |
|---|---|
| 12NBC1822ANG25 PRIMARY | Rbc Bearings Incorporated Div West Trenton Division (USA) |
| 12NBC1822MILG327A PRIMARY | Regal Beloit America, Inc. Dba Rollway Bearing (USA) |
| AT12-1ANG25 PRIMARY | Rbc Aircraft Products, Inc. (USA) |
| 12NBC1822MILG3278A PRIMARY | Regal Beloit America, Inc. Dba Rollway Bearing (USA) |
| AT12-1MILG3278A PRIMARY | Rbc Aircraft Products, Inc. (USA) |
| AT12-1 PRIMARY | Rbc Aircraft Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| AT12-1ANG25 | 5/9 Secondary reference Timken Aerospace, Inc Dba Torrington Product |
| AT12-1MILG3278A | 5/9 Secondary reference Timken Aerospace, Inc Dba Torrington Product |
| NAS290-12MILG327A | 3/2 Design control — primary reference U.S. Government activity |
| 290-12 | 3/2 Design control — primary reference U.S. Government activity |
| NAS290-12ANG25 | 3/2 Design control — primary reference U.S. Government activity |
| AT12-1 | 5/9 Secondary reference Timken Aerospace, Inc Dba Torrington Product |
| NAS290-12MILG3278A | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-00-159-9555 is a Bearing,roller,needle, manufactured by Rbc Bearings Incorporated Div West Trenton Division, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-159-9555 has 6 manufacturer part numbers on file: 12NBC1822ANG25 (Rbc Bearings Incorporated Div West Trenton Division), 12NBC1822MILG327A (Regal Beloit America, Inc. Dba Rollway Bearing), AT12-1ANG25 (Rbc Aircraft Products, Inc.), 12NBC1822MILG3278A (Regal Beloit America, Inc. Dba Rollway Bearing), AT12-1MILG3278A (Rbc Aircraft Products, Inc.) and 1 more.
7 possible matches (shared part number, not a government interchangeability claim): 4730-00-684-0749, 4730-00-964-2502, 5985-01-209-9589. Verify interchangeability with system specifications before substitution.
Key specifications for 12NBC1822ANG25: Lubrication Material: GREASE; Overall Outside Diameter: 1.3750 INCHES NOMINAL IN; Alignment Type: RIGID; Surface Treatment: CADMIUM OVERALL. 5 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.