The Metal Crankpin, cataloged under National Stock Number 3431-01-506-9073, is classified within Federal Supply Class 3431 (Electric Arc Welding Equipment) of the Metalworking Machinery (continued) group. The manufacturer of record is Engine Power, Inc. Dba Engine Power 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3431-01-506-9073 |
| Primary Part Number | 16241-2231-0 |
| Item Name | Metal Crankpin |
| FSC / FSG | 3431 / 34 — Electric Arc Welding Equipment |
| Manufacturer | Engine Power, Inc. Dba Engine Power 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 |
|---|---|
| 16241-2231-0 PRIMARY | Engine Power, Inc. Dba Engine Power Inc (USA) |
| Reference | Meaning |
|---|---|
| 185-6536 | 5/1 Secondary reference Cummins Power Generation Inc. |
NSN 3431-01-506-9073 is a Metal Crankpin, manufactured by Engine Power, Inc. Dba Engine Power Inc, classified under FSC 3431, Electric Arc Welding Equipment. Status: active.
NSN 3431-01-506-9073 has 1 manufacturer part number on file: 16241-2231-0 (Engine Power, Inc. Dba Engine Power Inc).
1 possible match (shared part number, not a government interchangeability claim): 4140-01-559-4031. Verify interchangeability with system specifications before substitution.
Key specifications for 16241-2231-0: Part Name Assigned by Controlling Agency: CRANKPIN, METAL; End Item Identification: 3431-01-498-4423. 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.
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.