The Support Assembly,combiner,machin, cataloged under National Stock Number 1270-01-259-4371, is classified within Federal Supply Class 1270 (Aircraft Gunnery Fire Control Components) of the Fire Control Equipment group. The manufacturer of record is Rockwell Collins, Inc. Dba Rc Displays Systems. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1270-01-259-4371 |
| Primary Part Number | 122125-3A |
| Item Name | Support Assembly,combiner,machin |
| FSC / FSG | 1270 / 12 — Aircraft Gunnery Fire Control Components |
| Manufacturer | Rockwell Collins, Inc. Dba Rc Displays Systems |
| Status | ACTIVE |
| FSC Application Data | USED ON 1270012355209 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 1270-01-259-4371 is a Support Assembly,combiner,machin, manufactured by Rockwell Collins, Inc. Dba Rc Displays Systems, classified under FSC 1270, Aircraft Gunnery Fire Control Components. Status: active.
NSN 1270-01-259-4371 has 2 manufacturer part numbers on file: 122125-3A (Rockwell Collins, Inc. Dba Rc Displays Systems), 122125-3 (Rockwell Collins, Inc. Dba Rc Displays Systems).
1 possible match (shared part number, not a government interchangeability claim): 5915-01-346-3040. Verify interchangeability with system specifications before substitution.
Key specifications for 122125-3A: FSC Application Data: USED ON 1270012355209; End Item Identification: F-15 AIRCRAFT. 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 1270-01-259-4371 has DEMIL Code D. 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.