PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10831Mount Subassembly

Aimpoint Inc Dba Aimpoint Inc · NSN 1240-01-565-4173 · FSC 1240 · No Item Name Available
Verified by PartsTable
NSN 1240-01-565-4173 — this item is cataloged by the U.S. Government under National Stock Number 1240-01-565-4173. Primary manufacturer part number: 10831.
Features
  • Mount Subassembly — FSC 1240
  • Mounting Method: SLOT AND THUMBSCREW(S)
  • Component Quantity: 6
  • Major Components: WEAVER STYLE RING 1;THUMBSCREW AND SLOT 1;SCREWS 4
  • Overall Diameter: 30.0 MILLIMETERS NOMINAL MM
  • 1 verified cross-reference
  • Primary manufacturer: Aimpoint Inc Dba Aimpoint Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Mount Subassembly, cataloged under National Stock Number 1240-01-565-4173, 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 4 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1240-01-565-4173
Primary Part Number10831
Item NameMount Subassembly
FSC / FSG1240 / 12 — No Item Name Available
ManufacturerAimpoint Inc Dba Aimpoint Inc
StatusACTIVE
Mounting MethodSLOT AND THUMBSCREW(S)
Component Quantity6
Major ComponentsWEAVER STYLE RING 1;THUMBSCREW AND SLOT 1;SCREWS 4
Overall Diameter30.0 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
2810-00-118-233910831 INTERCHANGEABLE
Washer,valve Spring
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
4320-00-218-330910831 INTERCHANGEABLE
Ring,wearing
Rps-Fl, Inc. Dba Rps Inc
5940-00-602-7617001-2004-00-0-479 INTERCHANGEABLE
Terminal,feedthru
Itt Cannon Rf Products
5950-01-012-6300SM-D-413690 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4810-01-070-806410831 INTERCHANGEABLE
Body,valve
Mission Systems Orchard Park Inc
6920-01-572-842710831 INTERCHANGEABLE
Target,zeroing
Charles Reed Knight Jr Dba Knight's Armament Company
9150-01-595-427510831 INTERCHANGEABLE
Lubricating Oil,engine
Shell Oil Co
6110-01-717-07901083-1 INTERCHANGEABLE
Block,control Circuit
Tru-Hitch, Inc.
Cross-Reference Index
Part NumberManufacturer
10831 PRIMARY Aimpoint Inc Dba Aimpoint Inc (USA)
Related Parts
2810-00-118-2339INTERCHANGEABLE
WASHER,VALVE SPRING
10831
4320-00-218-3309INTERCHANGEABLE
RING,WEARING
10831
5940-00-602-7617INTERCHANGEABLE
TERMINAL,FEEDTHRU
001-2004-00-0-479
5950-01-012-6300INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SM-D-413690
4810-01-070-8064INTERCHANGEABLE
BODY,VALVE
10831
6920-01-572-8427INTERCHANGEABLE
TARGET,ZEROING
10831
9150-01-595-4275INTERCHANGEABLE
LUBRICATING OIL,ENGINE
10831
6110-01-717-0790INTERCHANGEABLE
BLOCK,CONTROL CIRCUIT
1083-1

Frequently Asked Questions

What is NSN 1240-01-565-4173?

NSN 1240-01-565-4173 is a Mount Subassembly, manufactured by Aimpoint Inc Dba Aimpoint Inc, classified under FSC 1240 (No Item Name Available). Status: active.

What are the part numbers for NSN 1240-01-565-4173?

NSN 1240-01-565-4173 has 1 cross-referenced part number: 10831 (Aimpoint Inc Dba Aimpoint Inc).

What NSN replaces 1240-01-565-4173?

There are 8 known substitutes for 1240-01-565-4173: 2810-00-118-2339, 4320-00-218-3309, 5940-00-602-7617 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10831?

Key specifications for 10831: Mounting Method: SLOT AND THUMBSCREW(S); Special Features: SRW-M;WEAVER STYLE RING XHIGH XWIDE;FITS ALL COMPS INCLUDING 2X;MATTE FINISH; Component Quantity: 6; Major Components: WEAVER STYLE RING 1;THUMBSCREW AND SLOT 1;SCREWS 4. 7 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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