PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

106841Valve Dual Brake Control

Williams Controls Inc · NSN 2520-00-357-4973 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-357-4973 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-357-4973. Primary manufacturer part number: 106841.
Features
  • Valve Dual Brake Control — FSC 2520
  • General Characteristics Item Description: ZINC ALLOY; ALL PORTS INTERNAL THD; INLET,OUTLET AND EMERGENCY PORTS 0.250-18 NPT; EXHAUST PORT 0.125-27 NPT; O/AL 4.000 IN.;W 2.500 IN.;H4.438 IN.; MEDIA AIR; PANEL MOUNTED,2 UNC 0.250-20 RH MOUNTING HOLES W/3.000 IN. C TO C DISTANCE BETWEEN HOLES; FURNISHED W/MOUNTING SCREWS AND CONTROL KNOBS IN
  • 3 verified cross-references
  • Primary manufacturer: Williams Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve Dual Brake Control, cataloged under National Stock Number 2520-00-357-4973, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Williams Controls Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2520-00-357-4973
Primary Part Number106841
Item NameValve Dual Brake Control
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerWilliams Controls Inc
StatusCANCELLED
General Characteristics Item DescriptionZINC ALLOY; ALL PORTS INTERNAL THD; INLET,OUTLET AND EMERGENCY PORTS 0.250-18 NPT; EXHAUST PORT 0.125-27 NPT; O/AL 4.000 IN.;W 2.500 IN.;H4.438 IN.; MEDIA AIR; PANEL MOUNTED,2 UNC 0.250-20 RH MOUNTING HOLES W/3.000 IN. C TO C DISTANCE BETWEEN HOLES; FURNISHED W/MOUNTING SCREWS AND CONTROL KNOBS IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
6685-00-085-4969100250 INTERCHANGEABLE
Gage,pressure,dial Indicating
Provision, Inc. Dba Provision Inc
5950-00-646-210452665-1 INTERCHANGEABLE
Transformer,power
L3harris Technologies, Inc Div Space & Airborne Systems
5915-00-906-9787FA10-952 INTERCHANGEABLE
Filter,radio Frequency Interfere
Ems Development Corporation Dba Ems Development Corp
4210-01-247-8451 INTERCHANGEABLE
Control
5895-01-391-2706100250 INTERCHANGEABLE
Communications Control Set
Northrop Grumman Systems Corporation Dba California Microwave Systems
4820-01-469-193776-504-01 INTERCHANGEABLE
Valve,ball
Conbraco Industries Inc
5999-01-672-6024VG95234P25-001 INTERCHANGEABLE
Contact,electrical
Pei/genesis, Inc. Dba Pei Genesis Inc
Cross-Reference Index
Part NumberManufacturer
106841 PRIMARY Williams Controls Inc (USA)
WM674A PRIMARY Williams Controls Inc (USA)
100250 Williams Controls Inc (USA)
Related Parts
6685-00-085-4969INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
100250
5950-00-646-2104INTERCHANGEABLE
TRANSFORMER,POWER
52665-1
5915-00-906-9787INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
FA10-952
4210-01-247-8451INTERCHANGEABLE
CONTROL
5895-01-391-2706INTERCHANGEABLE
COMMUNICATIONS CONTROL SET
100250
4820-01-469-1937INTERCHANGEABLE
VALVE,BALL
76-504-01
5999-01-672-6024INTERCHANGEABLE
CONTACT,ELECTRICAL
VG95234P25-001

Frequently Asked Questions

What is NSN 2520-00-357-4973?

NSN 2520-00-357-4973 is a Valve Dual Brake Control, manufactured by Williams Controls Inc, classified under FSC 2520 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2520-00-357-4973?

NSN 2520-00-357-4973 has 3 cross-referenced part numbers: 106841 (Williams Controls Inc), WM674A (Williams Controls Inc), 100250 (Williams Controls Inc).

What NSN replaces 2520-00-357-4973?

There are 7 known substitutes for 2520-00-357-4973: 6685-00-085-4969, 5950-00-646-2104, 5915-00-906-9787 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 106841?

Key specifications for 106841: General Characteristics Item Description: ZINC ALLOY; ALL PORTS INTERNAL THD; INLET,OUTLET AND EMERGENCY PORTS 0.250-18 NPT; EXHAUST PORT 0.125-27 NPT; O/AL 4.000 IN.;W 2.500 IN.;H4.438 IN.; MEDIA AIR; PANEL MOUNTED,2 UNC 0.250-20 RH MOUNTING HOLES W/3.000 IN. C TO C DISTANCE BETWEEN HOLES; FURNISHED W/MOUNTING SCREWS AND CONTROL KNOBS IN; End Item Identification: TRUCK,FIRE. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2520-00-357-4973 still in active supply?

NSN 2520-00-357-4973 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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