The Duct Assembly,bulk Air, cataloged under National Stock Number 1270-01-159-4228, is classified within Federal Supply Class 1270 (Aircraft Gunnery Fire Control Components) of the Fire Control Equipment group. The manufacturer of record is Lockheed Martin Corp Electronics and Missiles Div. Government technical data includes 2 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1270-01-159-4228 |
| Primary Part Number | 143911 |
| Item Name | Duct Assembly,bulk Air |
| FSC / FSG | 1270 / 12 — Aircraft Gunnery Fire Control Components |
| Manufacturer | Lockheed Martin Corp Electronics and Missiles Div |
| Status | ACTIVE |
| FSC Application Data | ACFT GUNNERY FIRE CONTROL COMPONENT |
| General Characteristics Item Description | AIR DUCT 1,FUSEE 1,DUCT BASE SEAL 1,CIRCULAR SEAL 1,DUCT EXHAUST SEAL 1,VALVE SEAL 1,BULK AIR VALVE 1; PART OF ELECTRONIC CONTROL AMPLIFIER P/N 142314; USED ON AN/AVQ-26 P/N 126800 |
| 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 |
|---|---|
| 143911 PRIMARY | Lockheed Martin Corp Electronics and Missiles Div (USA) |
NSN 1270-01-159-4228 is a Duct Assembly,bulk Air, manufactured by Lockheed Martin Corp Electronics and Missiles Div, classified under FSC 1270, Aircraft Gunnery Fire Control Components. Status: active.
NSN 1270-01-159-4228 has 1 manufacturer part number on file: 143911 (Lockheed Martin Corp Electronics and Missiles Div).
Key specifications for 143911: FSC Application Data: ACFT GUNNERY FIRE CONTROL COMPONENT; General Characteristics Item Description: AIR DUCT 1,FUSEE 1,DUCT BASE SEAL 1,CIRCULAR SEAL 1,DUCT EXHAUST SEAL 1,VALVE SEAL 1,BULK AIR VALVE 1; PART OF ELECTRONIC CONTROL AMPLIFIER P/N 142314; USED ON AN/AVQ-26 P/N 126800; End Item Identification: RF-4C,F-4E,F-111F ACFT. 2 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 1270-01-159-4228 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.