PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

237925Diaphragm,actuator Valve,special

Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems · NSN 4820-00-652-5138 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-652-5138 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-652-5138. Primary manufacturer part number: 237925.
Features
  • Diaphragm,actuator Valve,special — FSC 4820
  • Style Designator: SPECIAL SHAPED
  • Shank Diameter: 0.688 INCHES NOMINAL IN
  • Outside Diameter: 1.750 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC
  • 11 verified cross-references
  • Primary manufacturer: Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Synthetic construction
General Description

The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4820-00-652-5138, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-652-5138
Primary Part Number237925
Item NameDiaphragm,actuator Valve,special
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerBendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
StatusACTIVE
Style DesignatorSPECIAL SHAPED
Shank Diameter0.688 INCHES NOMINAL IN
Outside Diameter1.750 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5905-00-236-7578 INTERCHANGEABLE
Resistor,fixed,film
3020-00-585-9940 INTERCHANGEABLE
Pulley,groove
5950-01-070-6904 INTERCHANGEABLE
Transformer,radio Frequency
6645-01-089-6455109136 INTERCHANGEABLE
Clock,wall
Standard Electric Time Corp
5998-01-436-6923109136 INTERCHANGEABLE
Circuit Card Assembly
Aimtron Systems, Llc
Cross-Reference Index
Part NumberManufacturer
806743 American Hoist and Derrick Co
806743 Terex American Crane Corp (USA)
698612R2 Komatsu American Intl Co (USA)
71958 Little Giant Crane and Shovel Inc (USA)
698612R2 Komatsu America Corp. (USA)
237925 PRIMARY Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems (USA)
109-136 PRIMARY Blaw-Knox Construction Equipment Co Div of White Consolidated Industries Inc (USA)
698612R2 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
SP1898 American Standard Inc Westinghouse Air Brake Co Div (USA)
237925 Dart Truck Co (USA)
5F2019 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
5905-00-236-7578INTERCHANGEABLE
RESISTOR,FIXED,FILM
3020-00-585-9940INTERCHANGEABLE
PULLEY,GROOVE
5950-01-070-6904INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
6645-01-089-6455INTERCHANGEABLE
CLOCK,WALL
109136
5998-01-436-6923INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
109136

Frequently Asked Questions

What is NSN 4820-00-652-5138?

NSN 4820-00-652-5138 is a Diaphragm,actuator Valve,special, manufactured by Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-652-5138?

NSN 4820-00-652-5138 has 11 cross-referenced part numbers: 806743 (American Hoist and Derrick Co), 806743 (Terex American Crane Corp), 698612R2 (Komatsu American Intl Co), 71958 (Little Giant Crane and Shovel Inc), 698612R2 (Komatsu America Corp.) and 6 more.

What NSN replaces 4820-00-652-5138?

There are 5 known substitutes for 4820-00-652-5138: 5905-00-236-7578, 3020-00-585-9940, 5950-01-070-6904 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 237925?

Key specifications for 237925: Overall Height: 0.442 INCHES NOMINAL IN; Style Designator: SPECIAL SHAPED; Shank Diameter: 0.688 INCHES NOMINAL IN; Outside Diameter: 1.750 INCHES NOMINAL 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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