The Cell Assembly,optical Instrument, cataloged under National Stock Number 1270-01-195-8671, is classified within Federal Supply Class 1270 (Aircraft Gunnery Fire Control Components) of the Fire Control Equipment group. The manufacturer of record is Qioptiq Ltd. Government technical data includes 5 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 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 | 1270-01-195-8671 |
| Primary Part Number | 031540 |
| Item Name | Cell Assembly,optical Instrument |
| FSC / FSG | 1270 / 12 — Aircraft Gunnery Fire Control Components |
| Manufacturer | Qioptiq Ltd |
| Status | ACTIVE |
| Optical Element Quantity | 2 |
| Overall Diameter | 4.770 INCHES NOMINAL IN |
| Eccentric Construction | NOT PROVIDED |
| Material Document and Classification | QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE |
| Material | ALUMINUM ALLOY 2024 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 031540 PRIMARY | Qioptiq Ltd (GBR) |
NSN 1270-01-195-8671 is a Cell Assembly,optical Instrument, manufactured by Qioptiq Ltd, classified under FSC 1270, Aircraft Gunnery Fire Control Components. Status: active.
NSN 1270-01-195-8671 has 1 manufacturer part number on file: 031540 (Qioptiq Ltd).
1 possible match (shared part number, not a government interchangeability claim): 6665-01-512-7300. Verify interchangeability with system specifications before substitution.
Key specifications for 031540: Overall Height: 0.455 INCHES NOMINAL IN; Optical Element Quantity: 2; Overall Diameter: 4.770 INCHES NOMINAL IN; Eccentric Construction: NOT PROVIDED. 5 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 1270-01-195-8671 has DEMIL Code D. 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.