The Receiver-Transmitter Subassembly, cataloged under National Stock Number 1285-01-178-1094, is classified within Federal Supply Class 1285 (Fire Control Radar Equipment, Except Airborne) of the Fire Control Equipment group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1285-01-178-1094 |
| Primary Part Number | 6200920-4 |
| Item Name | Receiver-Transmitter Subassembly |
| FSC / FSG | 1285 / 12 — Fire Control Radar Equipment, Except Airborne |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 81841-3 | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| 6200920-4 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| 81841-3 | 5/9 Secondary reference United Technologies Corp Hamilton Sundstrand Corp |
NSN 1285-01-178-1094 is a Receiver-Transmitter Subassembly, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 1285, Fire Control Radar Equipment, Except Airborne. Status: active.
NSN 1285-01-178-1094 has 2 manufacturer part numbers on file: 81841-3 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 6200920-4 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 6200920-4: Overall Height: 0.895 INCHES NOMINAL IN; Overall Length: 8.065 INCHES NOMINAL IN; Overall Width: 3.176 INCHES NOMINAL IN; End Item Identification: F-15 AIRCRAFT. 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.
NSN 1285-01-178-1094 has DEMIL Code C. 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.