PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A687Mount,sight

Lightforce Usa, Incorporated Div Mil-Gov-Le · NSN 1240-01-714-1950 · FSC 1240 · No Item Name Available
Verified by PartsTable
NSN 1240-01-714-1950 — this item is cataloged by the U.S. Government under National Stock Number 1240-01-714-1950. Primary manufacturer part number: A687.
Features
  • Mount,sight — FSC 1240
  • 1 verified cross-reference
  • Primary manufacturer: Lightforce Usa, Incorporated Div Mil-Gov-Le
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Mount,sight, cataloged under National Stock Number 1240-01-714-1950, is classified within Federal Supply Class 1240 (No Item Name Available) of the Fire Control Equipment group. The primary manufacturer of record is Lightforce Usa, Incorporated Div Mil-Gov-Le. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1240-01-714-1950
Primary Part NumberA687
Item NameMount,sight
FSC / FSG1240 / 12 — No Item Name Available
ManufacturerLightforce Usa, Incorporated Div Mil-Gov-Le
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3020-00-244-0306140RL INTERCHANGEABLE
Link,roller Chain
Jeffrey Co the
5930-00-636-1295GS100-110-18 INTERCHANGEABLE
Switch,lever
L3harris Technologies, Inc Div Space & Airborne Systems
9540-00-933-9374 INTERCHANGEABLE
Angle,structural
Cross-Reference Index
Part NumberManufacturer
A687 PRIMARY Lightforce Usa, Incorporated Div Mil-Gov-Le (USA)
Related Parts
3020-00-244-0306INTERCHANGEABLE
LINK,ROLLER CHAIN
140RL
5930-00-636-1295INTERCHANGEABLE
SWITCH,LEVER
GS100-110-18
9540-00-933-9374INTERCHANGEABLE
ANGLE,STRUCTURAL

Frequently Asked Questions

What is NSN 1240-01-714-1950?

NSN 1240-01-714-1950 is a Mount,sight, manufactured by Lightforce Usa, Incorporated Div Mil-Gov-Le, classified under FSC 1240 (No Item Name Available). Status: active.

What are the part numbers for NSN 1240-01-714-1950?

NSN 1240-01-714-1950 has 1 cross-referenced part number: A687 (Lightforce Usa, Incorporated Div Mil-Gov-Le).

What NSN replaces 1240-01-714-1950?

There are 3 known substitutes for 1240-01-714-1950: 3020-00-244-0306, 5930-00-636-1295, 9540-00-933-9374. Verify interchangeability with system specifications before substitution.

What are the specifications of A687?

Key specifications for A687: Part Name Assigned by Controlling Agency: RAIL ACCESSORY PLATFORM; Special Features: COLOR BLACK, DIAMETER 30 MM MM. 2 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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