PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1656339Range Finder

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 1240-00-767-4474 · FSC 1240 · No Item Name Available
Verified by PartsTable
NSN 1240-00-767-4474 — this item is cataloged by the U.S. Government under National Stock Number 1240-00-767-4474. Primary manufacturer part number: 1656339.
Features
  • Range Finder — FSC 1240
  • 2 verified cross-references
  • Primary manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Range Finder, cataloged under National Stock Number 1240-00-767-4474, is classified within Federal Supply Class 1240 (No Item Name Available) of the Fire Control Equipment group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRange Finder
FSC / FSG1240 — No Item Name Available (FSG 12)
ManufacturersEdmund Optics, Inc (CAGE 97197); Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001)
Technical Specifications
ParameterValue
NSN1240-00-767-4474
Primary Part Number1656339
Item NameRange Finder
FSC / FSG1240 / 12 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6150-00-019-3929ABC50137 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Glenair, Inc. Dba Glenair Inc
5950-00-146-4813 INTERCHANGEABLE
Reactor
5950-00-229-6281265473PC11 INTERCHANGEABLE
Coil,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5325-00-252-4735NAS50-137 INTERCHANGEABLE
Ring,retaining
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-044-2274M45938/1-5C INTERCHANGEABLE
Nut,plain,clinch
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
2925-01-497-452050137 INTERCHANGEABLE
Sleeve,ignition Terminal
Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense
5340-01-586-7328 INTERCHANGEABLE
Adapter Kit
Cross-Reference Index
Part NumberManufacturer
50137 Edmund Optics, Inc (USA)
1656339 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
6150-00-019-3929INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
ABC50137
5950-00-146-4813INTERCHANGEABLE
REACTOR
5950-00-229-6281INTERCHANGEABLE
COIL,ELECTRICAL
265473PC11
5325-00-252-4735INTERCHANGEABLE
RING,RETAINING
NAS50-137
5310-01-044-2274INTERCHANGEABLE
NUT,PLAIN,CLINCH
M45938/1-5C
2925-01-497-4520INTERCHANGEABLE
SLEEVE,IGNITION TERMINAL
50137
5340-01-586-7328INTERCHANGEABLE
ADAPTER KIT

Frequently Asked Questions

What is NSN 1240-00-767-4474?

NSN 1240-00-767-4474 is a Range Finder, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1240 (No Item Name Available). Status: active.

What are the part numbers for NSN 1240-00-767-4474?

NSN 1240-00-767-4474 has 2 cross-referenced part numbers: 50137 (Edmund Optics, Inc), 1656339 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 1240-00-767-4474?

There are 7 known substitutes for 1240-00-767-4474: 6150-00-019-3929, 5950-00-146-4813, 5950-00-229-6281 and 4 more. Verify interchangeability with system specifications before substitution.

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