The Sight Unit, cataloged under National Stock Number 1240-01-676-0524, is classified within Federal Supply Class 1240 (No Item Name Available) of the Fire Control Equipment group. The primary manufacturer of record is Charles Reed Knight Jr Dba Knight's Armament Company. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1240-01-676-0524 |
| Primary Part Number | 31593 |
| Item Name | Sight Unit |
| FSC / FSG | 1240 / 12 — No Item Name Available |
| Manufacturer | Charles Reed Knight Jr Dba Knight's Armament Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 1240-01-676-0524 is a Sight Unit, manufactured by Charles Reed Knight Jr Dba Knight's Armament Company, classified under FSC 1240 (No Item Name Available). Status: active.
NSN 1240-01-676-0524 has 2 cross-referenced part numbers: 31593 (Charles Reed Knight Jr Dba Knight's Armament Company), 31593 (Tecnodife Srl).
There are 5 known substitutes for 1240-01-676-0524: 3110-00-100-3570, 5110-00-245-4177, 5935-00-474-5645 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 31593: Special Features: SIGHT KIT ALLOWS SHOOTERS EASY ACCESS TO A SET OF BACKUP IRON SIGHTS FOR CLOSE RANGE TARGET ENGAGEMENTS, WITHOUT THE NEED TO REMOVE THEIR PRIMARY OPTIC;THESE SIGHTS FEATURE A NEW, MORE ROBUST CLAMP-STYLE BASE THAT SECURELY ATTACHES TO THE 12 O'CLOCK RAIL POSITION AND, ONCE DEPLOYED, A QUICK ROLL OF THE RIFLE IS ALL THAT'S NEEDED TO ACQUIRE A USEABLE SIGHT PICTURE;OFFSET SIGHT KIT INCLUDES AN ELEVATION ADJUSTABLE 200-600 METER MICRO REAR SIGHT AND FINGER ADJUSTABLE MICRO FRONT SIGHT ASSEMBLY.; Part Name Assigned by Controlling Agency: SIGHT UNIT. 2 total characteristics are documented in the Federal Logistics Information System.