The Plate,structural,lower, cataloged under National Stock Number 1280-01-187-2180, 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. 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 | 1280-01-187-2180 |
| Primary Part Number | 240500 |
| Item Name | Plate,structural,lower |
| 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 QQ-A-250/12; 1.440 IN. O/A LG; 1.060 IN. O/A W; 0.120 IN. O/A THK IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 240500 PRIMARY | Lockheed Martin Corp Electronics and Missiles Div (USA) |
NSN 1280-01-187-2180 is a Plate,structural,lower, manufactured by Lockheed Martin Corp Electronics and Missiles Div, classified under FSC 1280, Aircraft Bombing Fire Control Components. Status: active.
NSN 1280-01-187-2180 has 1 manufacturer part number on file: 240500 (Lockheed Martin Corp Electronics and Missiles Div).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-388-4755. Verify interchangeability with system specifications before substitution.
Key specifications for 240500: General Characteristics Item Description: ALUMINUM ALLOY PER QQ-A-250/12; 1.440 IN. O/A LG; 1.060 IN. O/A W; 0.120 IN. O/A THK IN; End Item Identification: ACFT 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.
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.