The Cell Assembly,optical Instrument, cataloged under National Stock Number 1270-00-397-7357, 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 Corporation Div Rms - Mitchel Field. Government technical data includes 14 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 | 1270-00-397-7357 |
| Primary Part Number | 711041 |
| Item Name | Cell Assembly,optical Instrument |
| FSC / FSG | 1270 / 12 — Aircraft Gunnery Fire Control Components |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| FSC Application Data | AIRCRAFT GUNNERY FIRE CONTROL EQUIPMENT |
| Optical Element Controlling Agency | USA |
| Optical Element Quantity | 3 |
| Overall Diameter | 4.062 INCHES NOMINAL IN |
| Eccentric Construction | NOT PROVIDED |
| Optical Element Type | SINGLE LENS |
| Thread Length | 0.719 INCHES IN |
| Thread Location | EXTERNAL |
| Thread Direction | RIGHT-HAND |
| Optical Element Identifying Number | 1.5170 PART NO. AND 1.7200 PART NO. |
| Thread Size | 3.875-32 |
| Screw Thread Series Designator | UNS |
| Thread Class | 2A A |
| Material | GLASS OPTICAL |
| 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 |
|---|---|
| 711041 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
NSN 1270-00-397-7357 is a Cell Assembly,optical Instrument, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 1270, Aircraft Gunnery Fire Control Components. Status: active.
NSN 1270-00-397-7357 has 1 manufacturer part number on file: 711041 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 711041: FSC Application Data: AIRCRAFT GUNNERY FIRE CONTROL EQUIPMENT; Optical Element Controlling Agency: USA; Optical Element Quantity: 3; Overall Diameter: 4.062 INCHES NOMINAL IN. 14 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 1270-00-397-7357 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.