The Tube,air Return, cataloged under National Stock Number 1280-01-187-2192, is classified within Federal Supply Class 1280 (Aircraft Bombing 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 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1280-01-187-2192 |
| Primary Part Number | 243974 |
| Item Name | Tube,air Return |
| FSC / FSG | 1280 / 12 — Aircraft Bombing Fire Control Components |
| Manufacturer | Lockheed Martin Corp Electronics and Missiles Div |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY PER MIL-T-7081; ANODIZE PER MIL-A-8625,TYPE 2,CLASS 1; 1.090 IN. LG; 0.375 IN. DIA 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 |
|---|---|
| 243974 PRIMARY | Lockheed Martin Corp Electronics and Missiles Div (USA) |
NSN 1280-01-187-2192 is a Tube,air Return, manufactured by Lockheed Martin Corp Electronics and Missiles Div, classified under FSC 1280, Aircraft Bombing Fire Control Components. Status: active.
NSN 1280-01-187-2192 has 1 manufacturer part number on file: 243974 (Lockheed Martin Corp Electronics and Missiles Div).
Key specifications for 243974: General Characteristics Item Description: ALUMINUM ALLOY PER MIL-T-7081; ANODIZE PER MIL-A-8625,TYPE 2,CLASS 1; 1.090 IN. LG; 0.375 IN. DIA IN; End Item Identification: AIRCRAFT MODEL F-18. 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 1280-01-187-2192 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.