The Sight Unit, cataloged under National Stock Number 1240-01-435-1916, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Trijicon, Inc. Dba Trijicon Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1240-01-435-1916 |
| Primary Part Number | RX01M4A1 |
| Item Name | Sight Unit |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Trijicon, Inc. Dba Trijicon Inc |
| Status | ACTIVE |
| Magnification | 0.0X NOMINAL |
| Magnification Type | FIXED |
| Supplementary Features | SIGHT,CLOSE QUARTER FOR M4A1 CARBINE |
| Optical Device Type | LENS |
| Focusing Type | FIXED |
| Bracket | PROVIDED |
| Carrying Case | NOT PROVIDED |
| Objective Aperture Diameter | 24.0 MILLIMETERS NOMINAL MM |
| Scale Markings | NOT PROVIDED |
| Straight Type Overall Length | 4.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| RX01M4A1 PRIMARY | Trijicon, Inc. Dba Trijicon Inc (USA) |
| Reference | Meaning |
|---|---|
| RX01NSN | 5/1 Secondary reference Trijicon, Inc. Dba Trijicon Inc |
NSN 1240-01-435-1916 is a Sight Unit, manufactured by Trijicon, Inc. Dba Trijicon Inc, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-435-1916 has 1 manufacturer part number on file: RX01M4A1 (Trijicon, Inc. Dba Trijicon Inc).
Key specifications for RX01M4A1: Magnification: 0.0X NOMINAL; Magnification Type: FIXED; Supplementary Features: SIGHT,CLOSE QUARTER FOR M4A1 CARBINE; Optical Device Type: LENS. 10 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1240-01-435-1916 has DEMIL Code F. 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.