The Sprocket,pivot, cataloged under National Stock Number 3439-01-554-9971, is classified within Federal Supply Class 3439 (Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories) of the Metalworking Machinery (continued) group. The manufacturer of record is Arc Machines, Inc. Dba a M I. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-01-554-9971 |
| Primary Part Number | 42861203-02 |
| Item Name | Sprocket,pivot |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Manufacturer | Arc Machines, Inc. Dba a M I |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 42861203-02 PRIMARY | Arc Machines, Inc. Dba a M I (USA) |
| 860101-IPB-ITEM50 | Arc Machines, Inc. Dba a M I (USA) |
NSN 3439-01-554-9971 is a Sprocket,pivot, manufactured by Arc Machines, Inc. Dba a M I, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
NSN 3439-01-554-9971 has 2 manufacturer part numbers on file: 42861203-02 (Arc Machines, Inc. Dba a M I), 860101-IPB-ITEM50 (Arc Machines, Inc. Dba a M I).
Key specifications for 42861203-02: Part Name Assigned by Controlling Agency: PIVOT AVC CANISTER WELDER; End Item Identification: MODEL 86 IPB 860101 WELD HEAD ASSY. 0 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.