The Receiver-Transmitter Subassembly, cataloged under National Stock Number 1270-01-374-8638, is classified within Federal Supply Class 1270 (Aircraft Gunnery Fire Control Components) of the Fire Control Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1270-01-374-8638 |
| Primary Part Number | 66910550-9 |
| Item Name | Receiver-Transmitter Subassembly |
| FSC / FSG | 1270 / 12 — Aircraft Gunnery Fire Control Components |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Component Type and Quantity | 1 HARNESS AND 1 PRINTED WIRING BOARD AND 1 RECEIVER AND 2 SHIELD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 66910550-9 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 66910550-9 | 5/9 Secondary reference Elbit Systems Electro-Optics-Elopltd Dba Mergers 1999 Ltd - Formerly |
| 66910550-9 | C/1 Advisory reference — outside the item-of-supply concept Elbit Systems Electro-Optics Elop Ltd |
NSN 1270-01-374-8638 is a Receiver-Transmitter Subassembly, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1270, Aircraft Gunnery Fire Control Components. Status: active.
NSN 1270-01-374-8638 has 1 manufacturer part number on file: 66910550-9 (Northrop Grumman Systems Corporation).
Key specifications for 66910550-9: Component Type and Quantity: 1 HARNESS AND 1 PRINTED WIRING BOARD AND 1 RECEIVER AND 2 SHIELD; End Item Identification: RECEIVER,TRANSMITTER,LASER RT-1673/ASS-38A A. 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 1270-01-374-8638 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.