PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8250Adapter,synchro

Belfort Instrument Company · NSN 5990-00-665-4105 · FSC 5990 · No Item Name Available
Verified by PartsTable
NSN 5990-00-665-4105 — this item is cataloged by the U.S. Government under National Stock Number 5990-00-665-4105. Primary manufacturer part number: 8250.
Features
  • Adapter,synchro — FSC 5990
  • Overall Diameter: 0.500 INCHES NOMINAL IN
  • Material: ALUMINUM
  • Usage Design: ADAPTS POINTER TO SYNCHRO
  • 2 verified cross-references
  • Primary manufacturer: Belfort Instrument Company
Applications
  • Applications requiring Aluminum construction
General Description

The Adapter,synchro, cataloged under National Stock Number 5990-00-665-4105, is classified within Federal Supply Class 5990 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Belfort Instrument Company. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5990-00-665-4105
Primary Part Number8250
Item NameAdapter,synchro
FSC / FSG5990 / 59 — No Item Name Available
ManufacturerBelfort Instrument Company
StatusACTIVE
Overall Diameter0.500 INCHES NOMINAL IN
MaterialALUMINUM
Usage DesignADAPTS POINTER TO SYNCHRO
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2825-00-036-33708250 INTERCHANGEABLE
Retainer with Nut
Northrop Grumman Systems Corporation Div Marine Systems
5935-00-240-9381UG32U INTERCHANGEABLE
Adapter,connector
Joint Electronics Type Designation System
5330-00-285-6834106272 INTERCHANGEABLE
Seal,plain Encased
Cummins Inc.
5975-00-351-6114SR-5P-4 INTERCHANGEABLE
Bushing,strain Relief,cable
Heyco Inc Dba Heyco Products
5340-01-146-09288250 INTERCHANGEABLE
Standoff,threaded,spacing
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
4720-01-184-4853 INTERCHANGEABLE
Hose,metallic
4820-01-278-36578250 INTERCHANGEABLE
Parts Kit,valve
Greno Industries, Inc. Dba Greno Industries Inc
6105-01-352-78958250 INTERCHANGEABLE
Motor,control
Cef Industries, Llc Dba Cef Industries Inc
3110-01-387-26938250 INTERCHANGEABLE
Bearing,cup
The Timken Corporation
6130-01-443-0768SPL250-1024 INTERCHANGEABLE
Power Supply
Power-One DC Power Supplies
Cross-Reference Index
Part NumberManufacturer
512478B Belfort Instrument Company (USA)
8250 PRIMARY Belfort Instrument Company (USA)
Related Parts
2825-00-036-3370INTERCHANGEABLE
RETAINER WITH NUT
8250
5935-00-240-9381INTERCHANGEABLE
ADAPTER,CONNECTOR
UG32U
5330-00-285-6834INTERCHANGEABLE
SEAL,PLAIN ENCASED
106272
5975-00-351-6114INTERCHANGEABLE
BUSHING,STRAIN RELIEF,CABLE
SR-5P-4
5340-01-146-0928INTERCHANGEABLE
STANDOFF,THREADED,SPACING
8250
4720-01-184-4853INTERCHANGEABLE
HOSE,METALLIC
4820-01-278-3657INTERCHANGEABLE
PARTS KIT,VALVE
8250
6105-01-352-7895INTERCHANGEABLE
MOTOR,CONTROL
8250
3110-01-387-2693INTERCHANGEABLE
BEARING,CUP
8250
6130-01-443-0768INTERCHANGEABLE
POWER SUPPLY
SPL250-1024
8145-01-519-2655INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER,M
74702-105
5305-01-709-2101INTERCHANGEABLE
SCREW,MACHINE
8250

Frequently Asked Questions

What is NSN 5990-00-665-4105?

NSN 5990-00-665-4105 is a Adapter,synchro, manufactured by Belfort Instrument Company, classified under FSC 5990 (No Item Name Available). Status: active.

What are the part numbers for NSN 5990-00-665-4105?

NSN 5990-00-665-4105 has 2 cross-referenced part numbers: 512478B (Belfort Instrument Company), 8250 (Belfort Instrument Company).

What NSN replaces 5990-00-665-4105?

There are 12 known substitutes for 5990-00-665-4105: 2825-00-036-3370, 5935-00-240-9381, 5330-00-285-6834 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8250?

Key specifications for 8250: Overall Diameter: 0.500 INCHES NOMINAL IN; Overall Length: 0.469 INCHES NOMINAL IN; Material: ALUMINUM; Special Features: 0.375 IN. BY 3/8 IN DEEP HOLE IN CENTER,1/4-28 THRD THROUGH HOLE ON SAME CENTER,0.064 BY 1/16 IN. DEEP SLOT FROM OUTSIDE TO HOLE IN TOP IN. 5 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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