PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100939Valve,regulating,temperature

Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division · NSN 4820-01-667-1879 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-667-1879 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-667-1879. Primary manufacturer part number: 100939.
Features
  • Valve,regulating,temperature — FSC 4820
  • End Connection Quantity: 2
  • First End Connection Type: BUTT WELD TUBE
  • Body Style: STRAIGHT THRU
  • Temp Rating: -45.0 CELSIUS NOMINAL AND 93.0 CELSIUS NOMINAL DEGC
  • Second End Relationship with First End: IDENTICAL
  • First End Nominal Pipe Size Accommodated: 15.0 MILLIMETERS MM
  • 1 verified cross-reference
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-667-1879, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4820-01-667-1879
Primary Part Number100939
Item NameValve,regulating,temperature
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division
StatusACTIVE
End Connection Quantity2
First End Connection TypeBUTT WELD TUBE
Body StyleSTRAIGHT THRU
Temp Rating-45.0 CELSIUS NOMINAL AND 93.0 CELSIUS NOMINAL DEGC
Second End Relationship with First EndIDENTICAL
First End Nominal Pipe Size Accommodated15.0 MILLIMETERS MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5970-00-392-1383100939 INTERCHANGEABLE
Insulation Sleeving,electrical,s
Lucent Technologies Inc Corporate Headquarters
5310-00-655-6534876105-017 INTERCHANGEABLE
Nut,plain,assembled Washer
Lockheed Martin Corporation Div Rms - Mitchel Field
5930-00-916-1288100939 INTERCHANGEABLE
Switch,rotary
Crane Electronics, Inc.
5355-01-015-6674100939-002 INTERCHANGEABLE
Dial,scale
Astronautics Corporation of America
5340-01-617-7229 INTERCHANGEABLE
Plate,mounting
Cross-Reference Index
Part NumberManufacturer
100939 PRIMARY Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division (USA)
Related Parts
5970-00-392-1383INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL,S
100939
5310-00-655-6534INTERCHANGEABLE
NUT,PLAIN,ASSEMBLED WASHER
876105-017
5930-00-916-1288INTERCHANGEABLE
SWITCH,ROTARY
100939
5355-01-015-6674INTERCHANGEABLE
DIAL,SCALE
100939-002
5340-01-617-7229INTERCHANGEABLE
PLATE,MOUNTING

Frequently Asked Questions

What is NSN 4820-01-667-1879?

NSN 4820-01-667-1879 is a Valve,regulating,temperature, manufactured by Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-667-1879?

NSN 4820-01-667-1879 has 1 cross-referenced part number: 100939 (Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division).

What NSN replaces 4820-01-667-1879?

There are 5 known substitutes for 4820-01-667-1879: 5970-00-392-1383, 5310-00-655-6534, 5930-00-916-1288 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 100939?

Key specifications for 100939: Part Name Assigned by Controlling Agency: COMMERCIAL PRESSURE REGULATOR FLO-CON A9; End Connection Quantity: 2; First End Connection Type: BUTT WELD TUBE; Body Style: STRAIGHT THRU. 8 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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