The Filter,light,telescopic Instrume, cataloged under National Stock Number 1240-01-645-5607, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Armament Technology Incorporated. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1240-01-645-5607 |
| Primary Part Number | 56NFCC-ARD-FP |
| Item Name | Filter,light,telescopic Instrume |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Armament Technology Incorporated |
| Status | ACTIVE |
| Eyepiece Outside Diameter | 56.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 56NFCC-ARD-FP PRIMARY | Armament Technology Incorporated (CAN) |
| Reference | Meaning |
|---|---|
| 56NFCC-ARD-FP | 3/9 Design control — primary reference Tenebraex Corp |
NSN 1240-01-645-5607 is a Filter,light,telescopic Instrume, manufactured by Armament Technology Incorporated, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-645-5607 has 1 manufacturer part number on file: 56NFCC-ARD-FP (Armament Technology Incorporated).
Key specifications for 56NFCC-ARD-FP: Eyepiece Outside Diameter: 56.0 MILLIMETERS NOMINAL MM; Part Name Assigned by Controlling Agency: ARD KILL FLASH; End Item Identification: NIGHTFORCE NXS SCOPE. 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 1240-01-645-5607 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.