PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

400-260-005Valve,expansion

Aircontrol Technologies · NSN 4820-00-106-1973 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-106-1973 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-106-1973. Primary manufacturer part number: 400-260-005.
Features
  • Valve,expansion — FSC 4820
  • Valve Pressure Limiting Device: INCLUDED
  • Refrigeration Capacity in Btu Per Hour: 12.0
  • Material: STEEL CORROSION RESISTING FLOW CONTROL DEVICE
  • Material: COPPER ALLOY BODY
  • First End Outside Diameter Tube Accommodated: 0.250 INCHES NOMINAL IN
  • End Connection Quantity: 2
  • Material: STEEL CORROSION RESISTING SEAT
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Flow Control Device construction
General Description

The Valve,expansion, cataloged under National Stock Number 4820-00-106-1973, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Aircontrol Technologies. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-106-1973
Primary Part Number400-260-005
Item NameValve,expansion
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAircontrol Technologies
StatusACTIVE
Valve Pressure Limiting DeviceINCLUDED
Refrigeration Capacity in Btu Per Hour12.0
MaterialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MaterialCOPPER ALLOY BODY
First End Outside Diameter Tube Accommodated0.250 INCHES NOMINAL IN
End Connection Quantity2
MaterialSTEEL CORROSION RESISTING SEAT
Media for Which DesignedREFRIGERANT 22
Temp Rating40.0 FAHRENHEIT DEGF
Body StyleANGLE GIVE "ADQM" OR "ADQN" IF FLANGED ONE OR TWO ENDS
Second End Relationship with First EndNOT IDENTICAL
First End Style DesignatorGROOVED
Second End Style DesignatorPLAIN
Second End Outside Diameter Tube Accommodated0.375 INCHES NOMINAL IN
Flow Control DeviceBALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5315-00-010-3495103495 INTERCHANGEABLE
Pin,straight,headed
Komatsu America Corp.
4820-00-169-533410-4581 INTERCHANGEABLE
Valve,safety Relief
Market Forge Industries Inc
4820-00-595-2257 INTERCHANGEABLE
Valve,expansion
6605-00-630-1288 INTERCHANGEABLE
Mount,eyeguard
4820-00-726-47191199C1043 INTERCHANGEABLE
Valve,vent
Meritor Heavy Vehicle Systems, Llc
4240-00-776-7019 INTERCHANGEABLE
Clip
5360-00-961-201611-5005M000 INTERCHANGEABLE
Spring,helical,compression
Sc Hydraulic Engineering Inc
4320-01-132-5363104505 INTERCHANGEABLE
Pump,centrifugal
Cummins Inc.
5985-01-178-4086103838 INTERCHANGEABLE
Coupler,transmission Line
Fluke Corp
5985-01-231-0232TPP-1-50 INTERCHANGEABLE
Dummy Load,electrical
Trompeter Electronics, Inc.
Cross-Reference Index
Part NumberManufacturer
400-260-005 Aircontrol Technologies (GBR)
104-581 Eaton Corp Controls Div (USA)
70034-181 Singer Co the Controls Div (USA)
R6617243742 Unifab Industries Inc (USA)
13214E3742 Cecom Lr Center (USA)
104-581 Singer Co the Controls Div (USA)
104-505 Eaton Corp Controls Div (USA)
Related Parts
5315-00-010-3495INTERCHANGEABLE
PIN,STRAIGHT,HEADED
103495
4820-00-169-5334INTERCHANGEABLE
VALVE,SAFETY RELIEF
10-4581
4820-00-595-2257INTERCHANGEABLE
VALVE,EXPANSION
6605-00-630-1288INTERCHANGEABLE
MOUNT,EYEGUARD
4820-00-726-4719INTERCHANGEABLE
VALVE,VENT
1199C1043
4240-00-776-7019INTERCHANGEABLE
CLIP
5360-00-961-2016INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
11-5005M000
4320-01-132-5363INTERCHANGEABLE
PUMP,CENTRIFUGAL
104505
5985-01-178-4086INTERCHANGEABLE
COUPLER,TRANSMISSION LINE
103838
5985-01-231-0232INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
TPP-1-50
3120-01-422-5928INTERCHANGEABLE
BUSHING,SLEEVE
104505

Frequently Asked Questions

What is NSN 4820-00-106-1973?

NSN 4820-00-106-1973 is a Valve,expansion, manufactured by Aircontrol Technologies, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-106-1973?

NSN 4820-00-106-1973 has 7 cross-referenced part numbers: 400-260-005 (Aircontrol Technologies), 104-581 (Eaton Corp Controls Div), 70034-181 (Singer Co the Controls Div), R6617243742 (Unifab Industries Inc), 13214E3742 (Cecom Lr Center) and 2 more.

What NSN replaces 4820-00-106-1973?

There are 11 known substitutes for 4820-00-106-1973: 5315-00-010-3495, 4820-00-169-5334, 4820-00-595-2257 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 400-260-005?

Key specifications for 400-260-005: Valve Pressure Limiting Device: INCLUDED; Refrigeration Capacity in Btu Per Hour: 12.0; Material: STEEL CORROSION RESISTING FLOW CONTROL DEVICE; Material: COPPER ALLOY BODY. 15 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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