PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

205-1-3-8Valve,check

Henry Technologies, Inc. · NSN 4820-01-125-5119 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-125-5119 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-125-5119. Primary manufacturer part number: 205-1-3-8.
Features
  • Valve,check — FSC 4820
  • Maximum Operating Temp: 300.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Mounting Position: HORIZONTAL
  • Disk Loading Method: SPRING
  • Connection Style: SOCKET (PIPE) ALL ENDS
  • Valve Operation Method: AUTOMATIC
  • Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS
  • Material: COPPER ALLOY BODY
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,check, cataloged under National Stock Number 4820-01-125-5119, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Henry Technologies, Inc.. Government technical data includes 12 verified specifications, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-125-5119
Primary Part Number205-1-3-8
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHenry Technologies, Inc.
StatusACTIVE
Maximum Operating Temp300.0 FAHRENHEIT SINGLE RESPONSE DEGF
Mounting PositionHORIZONTAL
Disk Loading MethodSPRING
Connection StyleSOCKET (PIPE) ALL ENDS
Valve Operation MethodAUTOMATIC
Connection TypeUNTHREADED INTERNAL TUBE ALL ENDS
MaterialCOPPER ALLOY BODY
Nominal Pipe Size Accommodated1.375 INCHES ALL ENDS IN
Flow Control DeviceDISK
MaterialPLASTIC POLYTETRAFLUOROETHYLENE SEAT
Style DesignatorSTRAIGHT THRU
Operating Pressure450.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5950-00-647-7545718296REVE INTERCHANGEABLE
Transformer,power
Lockheed Martin Corporation Div Rms - Mitchel Field
5915-01-029-70222665658-1 INTERCHANGEABLE
Filter,radio Frequency Interfere
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4820-01-058-7690 INTERCHANGEABLE
Valve,check
4820-01-058-7692 INTERCHANGEABLE
Valve,check
2815-01-391-08613053476 INTERCHANGEABLE
Rocker Arm,engine Poppet Valve
Cummins Inc.
Cross-Reference Index
Part NumberManufacturer
205-1-3-8 Henry Technologies, Inc. (USA)
SP114 Henry Technologies, Inc. (USA)
205-1 3/8 Henry Technologies, Inc. (USA)
Related Parts
5950-00-647-7545INTERCHANGEABLE
TRANSFORMER,POWER
718296REVE
5915-01-029-7022INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
2665658-1
4820-01-058-7690INTERCHANGEABLE
VALVE,CHECK
4820-01-058-7692INTERCHANGEABLE
VALVE,CHECK
2815-01-391-0861INTERCHANGEABLE
ROCKER ARM,ENGINE POPPET VALVE
3053476

Frequently Asked Questions

What is NSN 4820-01-125-5119?

NSN 4820-01-125-5119 is a Valve,check, manufactured by Henry Technologies, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-125-5119?

NSN 4820-01-125-5119 has 3 cross-referenced part numbers: 205-1-3-8 (Henry Technologies, Inc.), SP114 (Henry Technologies, Inc.), 205-1 3/8 (Henry Technologies, Inc.).

What NSN replaces 4820-01-125-5119?

There are 5 known substitutes for 4820-01-125-5119: 5950-00-647-7545, 5915-01-029-7022, 4820-01-058-7690 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 205-1-3-8?

Key specifications for 205-1-3-8: Maximum Operating Temp: 300.0 FAHRENHEIT SINGLE RESPONSE DEGF; Mounting Position: HORIZONTAL; Disk Loading Method: SPRING; Connection Style: SOCKET (PIPE) ALL ENDS. 12 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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