The Sight,reflex, cataloged under National Stock Number 1240-01-533-0941, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Fn Herstal Dba Fabrique Nationale Nouvelle Herstal. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1240-01-533-0941 |
| Primary Part Number | 9973500501 |
| Item Name | Sight,reflex |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Fn Herstal Dba Fabrique Nationale Nouvelle Herstal |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 9973500501 | Fn Herstal Dba Fabrique Nationale Nouvelle Herstal (BEL) |
| Reference | Meaning |
|---|---|
| 553.A65/1 | 3/9 Design control — primary reference L-3 Communications Eotech, Inc. Dba Eotech |
NSN 1240-01-533-0941 is a Sight,reflex, manufactured by Fn Herstal Dba Fabrique Nationale Nouvelle Herstal, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-533-0941 has 1 manufacturer part number on file: 9973500501 (Fn Herstal Dba Fabrique Nationale Nouvelle Herstal).
Key specifications for 9973500501: Special Features: THE DAY OPTICAL SCOPE (DOS)/ENHANCE COMBAT OPTICAL SIGHT-CARBINE (ECOS-C), SU-231/PEQ, IS A 1X MAGNIFICATION HOLOGRAPHIC WEAPON SIGHT. POWERED BY TWO CR123 LITHIUM BATTERIES. THE SU-231/PEQ MOUNTS TO THE WEAPON VIA A MIL-STD-1913 RAIL INTERFACE.HOUSING COLOR: TAN. DESIGNED PRIMARILY FOR USE WITH THE M4 CARBINE. ITEM BEING PHASE REPLACED BY THE SU-231A/PEQ, NSN: 1240015879345. A. 0 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 1240-01-533-0941 has DEMIL Code Q. 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.