The Mount Assembly,mirror, cataloged under National Stock Number 1240-01-085-2862, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Lockheed Martin Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1240-01-085-2862 |
| Primary Part Number | 140330 |
| Item Name | Mount Assembly,mirror |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Lockheed Martin Corporation |
| Status | ACTIVE |
| FSC Application Data | ACFT GUNNERY FIRE CONTROL COMPONENT |
| General Characteristics Item Description | CONSISTS OF 1 MIRROR MT HOLDER P1N 143611 AND ASSOCIATED HARDWARE |
| 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 |
|---|---|
| 140330 PRIMARY | Lockheed Martin Corporation (USA) |
| Reference | Meaning |
|---|---|
| 140330 | 5/9 Secondary reference Lockheed Martin Corp Electronics and Missiles Div |
NSN 1240-01-085-2862 is a Mount Assembly,mirror, manufactured by Lockheed Martin Corporation, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-085-2862 has 1 manufacturer part number on file: 140330 (Lockheed Martin Corporation).
1 possible match (shared part number, not a government interchangeability claim): 3830-01-548-4723. Verify interchangeability with system specifications before substitution.
Key specifications for 140330: FSC Application Data: ACFT GUNNERY FIRE CONTROL COMPONENT; General Characteristics Item Description: CONSISTS OF 1 MIRROR MT HOLDER P1N 143611 AND ASSOCIATED HARDWARE; End Item Identification: AN/AVQ-26,TARGET DESIGNATOR SET-ELECTRO-OPTICAL,PERISCOPE MIRROR OPTICS. 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 1240-01-085-2862 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.