The Collar,splined, cataloged under National Stock Number 1015-01-047-3392, is classified within Federal Supply Class 1015 (Guns, 75mm Through 125mm) of the Weapons group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | 1015-01-047-3392 |
| Primary Part Number | 12000538 |
| Item Name | Collar,splined |
| FSC / FSG | 1015 / 10 — Guns, 75mm Through 125mm |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,COMP. 4140 OR 8640; OUTSIDE DIA. 1.82 IN.; INSIDE DIA. 0.9583 IN.; 0.094 IN. THICK IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12000538 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 1015-01-047-3392 is a Collar,splined, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 1015, Guns, 75mm Through 125mm. Status: active.
NSN 1015-01-047-3392 has 1 manufacturer part number on file: 12000538 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
1 possible match (shared part number, not a government interchangeability claim): 6550-01-706-5939. Verify interchangeability with system specifications before substitution.
Key specifications for 12000538: General Characteristics Item Description: STEEL,COMP. 4140 OR 8640; OUTSIDE DIA. 1.82 IN.; INSIDE DIA. 0.9583 IN.; 0.094 IN. THICK IN; End Item Identification: CARRIAGE,HOWITZER,105MM(M31/M102) MM. 1 specification is 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 1015-01-047-3392 has DEMIL Code B. 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.