The Cam,control, cataloged under National Stock Number 3040-01-258-5185, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Ara, Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-258-5185 |
| Primary Part Number | B4123-12 |
| Item Name | Cam,control |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Ara, Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| B4123-12 PRIMARY | Ara, Inc (USA) |
| Reference | Meaning |
|---|---|
| B4123 | D/9 Drawing number reference only Ara, Inc |
NSN 3040-01-258-5185 is a Cam,control, manufactured by Ara, Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-258-5185 has 1 manufacturer part number on file: B4123-12 (Ara, Inc).
Key specifications for B4123-12: Special Features: SHAFT END DIA 0.305 TO 0.311 IN.;CAM DIA 0.445 TO 0.455 IN.;SHOULDER DIA 0.614 TO 0.624 IN.;LARGE END DIA 0.950 IN.,0.080 IN. THICK;0.640 IN. FROM SHAFT END TO CAM EDGE IN; End Item Identification: 1520-01-035-0266. 0 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.
NSN 3040-01-258-5185 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.