The Insulator Spool Gun, cataloged under National Stock Number 3431-01-646-9125, is classified within Federal Supply Class 3431 (Electric Arc Welding Equipment) of the Metalworking Machinery (continued) group. The manufacturer of record is Airgas - North Central, Inc. Dba Airgas. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3431-01-646-9125 |
| Primary Part Number | MIL 232284 |
| Item Name | Insulator Spool Gun |
| FSC / FSG | 3431 / 34 — Electric Arc Welding Equipment |
| Manufacturer | Airgas - North Central, Inc. Dba Airgas |
| 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 |
|---|---|
| 232284 | Miller Electric Mfg. Llc (USA) |
| MIL 232284 PRIMARY | Airgas - North Central, Inc. Dba Airgas (USA) |
| Reference | Meaning |
|---|---|
| RIA155990 | 7/2 Vendor item drawing reference Army, United States Department of the Dba Rock Island Arsenal Jmtc |
NSN 3431-01-646-9125 is a Insulator Spool Gun, manufactured by Airgas - North Central, Inc. Dba Airgas, classified under FSC 3431, Electric Arc Welding Equipment. Status: active.
NSN 3431-01-646-9125 has 2 manufacturer part numbers on file: 232284 (Miller Electric Mfg. Llc), MIL 232284 (Airgas - North Central, Inc. Dba Airgas).
Key specifications for MIL 232284: Special Features: MATERIAL: RUBBER; Part Name Assigned by Controlling Agency: SPOOL GUN COLLARD INSULATOR; End Item Identification: 4940-01-496-1038. 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.