PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

102751Mount,scope

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 5840-00-021-3500 · FSC 5840 · No Item Name Available
Verified by PartsTable
NSN 5840-00-021-3500 — this item is cataloged by the U.S. Government under National Stock Number 5840-00-021-3500. Primary manufacturer part number: 102751.
Features
  • Mount,scope — FSC 5840
  • 1 verified cross-reference
  • Primary manufacturer: L3harris Technologies, Inc Div Space & Airborne Systems
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Mount,scope, cataloged under National Stock Number 5840-00-021-3500, is classified within Federal Supply Class 5840 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameMount,scope
FSC / FSG5840 — No Item Name Available (FSG 58)
ManufacturersL3harris Technologies, Inc Div Space & Airborne Systems (CAGE 24930)
Technical Specifications
ParameterValue
NSN5840-00-021-3500
Primary Part Number102751
Item NameMount,scope
FSC / FSG5840 / 58 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5905-00-126-6696 INTERCHANGEABLE
Resistor,fixed,composition
5940-00-271-2319115703-001 INTERCHANGEABLE
Terminal,lug
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5310-00-370-0729102751 INTERCHANGEABLE
Nut,hexagon
Telemechanics Inc
6685-00-850-1340T-213-5 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek Inc
Cross-Reference Index
Part NumberManufacturer
102751 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
5905-00-126-6696INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5940-00-271-2319INTERCHANGEABLE
TERMINAL,LUG
115703-001
5310-00-370-0729INTERCHANGEABLE
NUT,HEXAGON
102751
6685-00-850-1340INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
T-213-5

Frequently Asked Questions

What is NSN 5840-00-021-3500?

NSN 5840-00-021-3500 is a Mount,scope, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5840 (No Item Name Available). Status: active.

What are the part numbers for NSN 5840-00-021-3500?

NSN 5840-00-021-3500 has 1 cross-referenced part number: 102751 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 5840-00-021-3500?

There are 4 known substitutes for 5840-00-021-3500: 5905-00-126-6696, 5940-00-271-2319, 5310-00-370-0729 and 1 more. Verify interchangeability with system specifications before substitution.

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