The Bearing,roller,needle, cataloged under National Stock Number 3110-01-660-6419, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Jtekt Bearings North America Llc Div Kbna - Ord 1. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-660-6419 |
| Primary Part Number | NKA 55A |
| Item Name | Bearing,roller,needle |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Jtekt Bearings North America Llc Div Kbna - Ord 1 |
| Status | ACTIVE |
| Rolling Element Diameter | 0.20 INCHES NOMINAL IN |
| Outside Diameter | 2.80 INCHES NOMINAL IN |
| Bore Diameter | 2.1654 INCHES MINIMUM AND 2.1673 INCHES MAXIMUM 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 |
|---|---|
| 3612742 | Oshkosh Defense Llc (USA) |
| NKA 55A PRIMARY | Jtekt Bearings North America Llc Div Kbna - Ord 1 (USA) |
| NKS55A PRIMARY | Jtekt Bearings North America Llc Div Kbna - Ord 1 (USA) |
| Reference | Meaning |
|---|---|
| NKS 55 | 5/9 Secondary reference Schaeffler Group Usa Inc |
| NKA 55A | 5/9 Secondary reference Koyo Bearings |
NSN 3110-01-660-6419 is a Bearing,roller,needle, manufactured by Jtekt Bearings North America Llc Div Kbna - Ord 1, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-660-6419 has 3 manufacturer part numbers on file: 3612742 (Oshkosh Defense Llc), NKA 55A (Jtekt Bearings North America Llc Div Kbna - Ord 1), NKS55A (Jtekt Bearings North America Llc Div Kbna - Ord 1).
Key specifications for NKA 55A: Rolling Element Diameter: 0.20 INCHES NOMINAL IN; Outside Diameter: 2.80 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: BEARING,NEEDLE 55MMX72MMX22MM; End Item Identification: 4210-01-622-0440. 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.