PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10583Sight Unit

Aimpoint Inc Dba Aimpoint Inc · NSN 1240-01-565-3658 · FSC 1240 · No Item Name Available
Verified by PartsTable
NSN 1240-01-565-3658 — this item is cataloged by the U.S. Government under National Stock Number 1240-01-565-3658. Primary manufacturer part number: 10583.
Features
  • Sight Unit — FSC 1240
  • Reticle Identifying Number: AIMPOINT COMPML2 2X
  • Carrying Case: NOT PROVIDED
  • Field View Coverage: MINUTE OF ANGLE (MOA) 2;1 MOA EQUALS 30MM AT 100 METERS EQUALS 1 INCH AT 100 YARDS MM
  • Scale Markings: PROVIDED
  • Magnification Type: FIXED
  • Special Test Features: SELECTED FOR LAW ENFORCEMENT,ARMED FORCES;PISTOL,REVOLVER,CARBINE,PDW,LMG,MMG
  • Bracket: NOT PROVIDED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Sight Unit, cataloged under National Stock Number 1240-01-565-3658, is classified within Federal Supply Class 1240 (No Item Name Available) of the Fire Control Equipment group. The primary manufacturer of record is Aimpoint Inc Dba Aimpoint Inc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1240-01-565-3658
Primary Part Number10583
Item NameSight Unit
FSC / FSG1240 / 12 — No Item Name Available
ManufacturerAimpoint Inc Dba Aimpoint Inc
StatusACTIVE
Reticle Identifying NumberAIMPOINT COMPML2 2X
Carrying CaseNOT PROVIDED
Field View CoverageMINUTE OF ANGLE (MOA) 2;1 MOA EQUALS 30MM AT 100 METERS EQUALS 1 INCH AT 100 YARDS MM
Scale MarkingsPROVIDED
Magnification TypeFIXED
Special Test FeaturesSELECTED FOR LAW ENFORCEMENT,ARMED FORCES;PISTOL,REVOLVER,CARBINE,PDW,LMG,MMG
BracketNOT PROVIDED
Usage DesignDESIGNED FOR DAY USE,INCLUDING DUSK AND DAWN;SUBMERSIBLE TO 25 METERS (75FT) FT
Objective Aperture Diameter30.0 MILLIMETERS NOMINAL MM
Straight Type Overall Length165.0 MILLIMETERS NOMINAL MM
Scale Calibration1 CLICK EQUALS 13MM AT 100 METERS EQUALS 1/2INCH AT 100 YARDS MM
Focusing TypeADJUSTABLE
Optical Device TypeLENS
Reticle Style DesignatorSPECIAL DESIGN
Supplementary FeaturesSETTINGS 1 OFF, 9 DAYLIGHT;LENS COVERS-THERMOPLASTIC ELASTOMER,BLACK NON-GLARE;WEIGHT 290G G
Magnification2.0X NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3110-00-100-03652924 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
5133-00-236-8104 INTERCHANGEABLE
Drill,twist
5133-00-266-9461 INTERCHANGEABLE
Drill,twist
4320-00-300-59976581P INTERCHANGEABLE
Rod,piston
Curtiss-Wright Electro-Mechanical Corporation Div Epd
6645-00-404-125410583 INTERCHANGEABLE
Timer,sequential
Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc
5950-00-954-042910583 INTERCHANGEABLE
Transformer,power Autotransforme
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
4140-01-138-0099 INTERCHANGEABLE
Controller,blower S
5310-01-225-4851 INTERCHANGEABLE
Washer,flat
2590-01-461-587410583 INTERCHANGEABLE
Kit,fuel Filler Cap
Shaw Development, Llc
4720-01-469-898810500-149 INTERCHANGEABLE
Hose Assembly,nonmetallic
Parker Hannifin Corporation Div Village Marine Tech
Cross-Reference Index
Part NumberManufacturer
10583 PRIMARY Aimpoint Inc Dba Aimpoint Inc (USA)
Related Parts
3110-00-100-0365INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
2924
5133-00-236-8104INTERCHANGEABLE
DRILL,TWIST
5133-00-266-9461INTERCHANGEABLE
DRILL,TWIST
4320-00-300-5997INTERCHANGEABLE
ROD,PISTON
6581P
6645-00-404-1254INTERCHANGEABLE
TIMER,SEQUENTIAL
10583
5950-00-954-0429INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
10583
4140-01-138-0099INTERCHANGEABLE
CONTROLLER,BLOWER S
5310-01-225-4851INTERCHANGEABLE
WASHER,FLAT
2590-01-461-5874INTERCHANGEABLE
KIT,FUEL FILLER CAP
10583
4720-01-469-8988INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
10500-149
5305-01-472-2574INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
10583

Frequently Asked Questions

What is NSN 1240-01-565-3658?

NSN 1240-01-565-3658 is a Sight Unit, manufactured by Aimpoint Inc Dba Aimpoint Inc, classified under FSC 1240 (No Item Name Available). Status: active.

What are the part numbers for NSN 1240-01-565-3658?

NSN 1240-01-565-3658 has 1 cross-referenced part number: 10583 (Aimpoint Inc Dba Aimpoint Inc).

What NSN replaces 1240-01-565-3658?

There are 11 known substitutes for 1240-01-565-3658: 3110-00-100-0365, 5133-00-236-8104, 5133-00-266-9461 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10583?

Key specifications for 10583: Reticle Identifying Number: AIMPOINT COMPML2 2X; Part Name Assigned by Controlling Agency: GUN SIGHT; Carrying Case: NOT PROVIDED; Field View Coverage: MINUTE OF ANGLE (MOA) 2;1 MOA EQUALS 30MM AT 100 METERS EQUALS 1 INCH AT 100 YARDS MM. 19 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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