The Bearing,plain,rod End, cataloged under National Stock Number 3120-01-666-1959, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Roller Bearing Company of America, Inc.. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Bearing,plain,rod End |
| FSC / FSG | 3120 — Bearings, Plain, Unmounted (FSG 31) |
| Manufacturers | Roller Bearing Company of America, Inc. (CAGE 73134); New Hampshire Ball Bearings Inc Div Astro Division (CAGE 15860); Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (CAGE 09455); Kamatics Corporation (CAGE 50632); Timken Aurora Bearing Company (CAGE 56644) |
| Parameter | Value |
|---|---|
| NSN | 3120-01-666-1959 |
| Primary Part Number | JSFE04-07K |
| Item Name | Bearing,plain,rod End |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Roller Bearing Company of America, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| JSFE04-07K PRIMARY | Roller Bearing Company of America, Inc. (USA) |
| JSFE04-07K PRIMARY | New Hampshire Ball Bearings Inc Div Astro Division (USA) |
| JSFE04-07K PRIMARY | Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA) |
| JSFE04-07K PRIMARY | Kamatics Corporation (USA) |
| JSFE04-07K PRIMARY | Timken Aurora Bearing Company (USA) |
| Reference | Meaning |
|---|---|
| JSFE04 | D/9 Drawing number reference only U.S. Government activity |
| JSFE04-07K | 3/2 Design control — primary reference U.S. Government activity |
| JSFE04-07K | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 3120-01-666-1959 is a Bearing,plain,rod End, manufactured by Roller Bearing Company of America, Inc., classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-666-1959 has 5 manufacturer part numbers on file: JSFE04-07K (Roller Bearing Company of America, Inc.), JSFE04-07K (New Hampshire Ball Bearings Inc Div Astro Division), JSFE04-07K (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics), JSFE04-07K (Kamatics Corporation), JSFE04-07K (Timken Aurora Bearing Company).
1 possible match (shared part number, not a government interchangeability claim): 3120-01-666-1961. Verify interchangeability with system specifications before substitution.
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.