PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

39435-1Diaphragm,actuator Valve,special

Danfoss Inc · NSN 4820-01-170-7040 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-170-7040 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-170-7040. Primary manufacturer part number: 39435-1.
Features
  • Diaphragm,actuator Valve,special — FSC 4820
  • Material Thickness: 0.062 INCHES NOMINAL IN
  • Center Hole Diameter: 0.453 INCHES NOMINAL IN
  • Taper Minor Diameter: 0.865 INCHES NOMINAL IN
  • Outside Diameter: 1.325 INCHES NOMINAL IN
  • Material: RUBBER
  • 2 verified cross-references
  • Primary manufacturer: Danfoss Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber construction
General Description

The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4820-01-170-7040, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Danfoss Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-170-7040
Primary Part Number39435-1
Item NameDiaphragm,actuator Valve,special
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDanfoss Inc
StatusACTIVE
Material Thickness0.062 INCHES NOMINAL IN
Center Hole Diameter0.453 INCHES NOMINAL IN
Taper Minor Diameter0.865 INCHES NOMINAL IN
Outside Diameter1.325 INCHES NOMINAL IN
MaterialRUBBER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4320-00-215-797239435-1S INTERCHANGEABLE
Diaphragm Assembly
R. D. Miners, Inc Dba Ray Burner Co
1560-00-334-58583-94351 INTERCHANGEABLE
Plate,structural,aircraft
The Boeing Company Div Defense
2840-00-765-6757394351 INTERCHANGEABLE
Shroud,compressor,aircraft Gas T
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Cross-Reference Index
Part NumberManufacturer
39435-1 PRIMARY Danfoss Inc (USA)
39435-1 Danfoss Fluid Power Inc Racine Opn (USA)
Related Parts
4320-00-215-7972INTERCHANGEABLE
DIAPHRAGM ASSEMBLY
39435-1S
1560-00-334-5858INTERCHANGEABLE
PLATE,STRUCTURAL,AIRCRAFT
3-94351
2840-00-765-6757INTERCHANGEABLE
SHROUD,COMPRESSOR,AIRCRAFT GAS T
394351

Frequently Asked Questions

What is NSN 4820-01-170-7040?

NSN 4820-01-170-7040 is a Diaphragm,actuator Valve,special, manufactured by Danfoss Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-170-7040?

NSN 4820-01-170-7040 has 2 cross-referenced part numbers: 39435-1 (Danfoss Inc), 39435-1 (Danfoss Fluid Power Inc Racine Opn).

What NSN replaces 4820-01-170-7040?

There are 3 known substitutes for 4820-01-170-7040: 4320-00-215-7972, 1560-00-334-5858, 2840-00-765-6757. Verify interchangeability with system specifications before substitution.

What are the specifications of 39435-1?

Key specifications for 39435-1: Overall Height: 0.200 INCHES NOMINAL IN; Material Thickness: 0.062 INCHES NOMINAL IN; Center Hole Diameter: 0.453 INCHES NOMINAL IN; Taper Minor Diameter: 0.865 INCHES NOMINAL IN. 6 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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