PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14-3-8INValve,gate

The Walworth Company · NSN 4820-00-959-5792 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-959-5792 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-959-5792. Primary manufacturer part number: 14-3-8IN.
Features
  • Valve,gate — FSC 4820
  • Valve Operation Method: MANUAL
  • Inlet Relationship with Outlet: IDENTICAL
  • Stem Type: NONRISING
  • Material Document and Classification: ASTMCU0172 ASSN STD SINGLE MATERIAL RESPONSE BODY
  • Operating Pressure and Type: 150.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 300.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
  • Thread Series Designator: NPT
  • Pressure Class: ERR-060
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy 836 Body construction
General Description

The Valve,gate, cataloged under National Stock Number 4820-00-959-5792, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is The Walworth Company. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-959-5792
Primary Part Number14-3-8IN
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerThe Walworth Company
StatusCANCELLED
Valve Operation MethodMANUAL
Inlet Relationship with OutletIDENTICAL
Stem TypeNONRISING
Material Document and ClassificationASTMCU0172 ASSN STD SINGLE MATERIAL RESPONSE BODY
Operating Pressure and Type150.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 300.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Thread Series DesignatorNPT
Pressure ClassERR-060
Nominal Thread Size0.375 INCHES IN
Features ProvidedBONNET PACKING
Valve Size0.375 INCHES IN
Connection TypeTHREADED INTERNAL PIPE
Bonnet Attachment MethodTHREADED
Maximum Operating Temp and Media for Which Designed400.0 FAHRENHEIT STEAM AND 150.0 FAHRENHEIT WATER-OIL-GAS DEGF
MaterialCOPPER ALLOY 836 BODY
Material Document and ClassificationASTM B62 ASSN STD SINGLE MATERIAL RESPONSE SEAT
MaterialCOPPER ALLOY 836 STEM
MaterialCOPPER ALLOY 836 SEAT
MaterialCOPPER ALLOY 836 DISK
Material Document and ClassificationASTMCU0172 ASSN STD SINGLE MATERIAL RESPONSE DISK
Material Document and ClassificationASTMCU0172 ASSN STD SINGLE MATERIAL RESPONSE STEM
Bonnet TypeINSIDE SCREW
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5340-00-291-3546437-3-8 INTERCHANGEABLE
Snap Hook
Buckles International, Inc.
5950-00-444-0419984816-2 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon
5330-00-641-3102103185 INTERCHANGEABLE
Seal,plain Encased
Clark Material Handling Company
5910-01-056-5015 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
5998-01-164-625843738 INTERCHANGEABLE
Circuit Card Assembly
L3harris Technologies, Inc.
4720-01-171-430643738 INTERCHANGEABLE
Hose,preformed
Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations
5836-01-600-332997339 INTERCHANGEABLE
Disk,video Recording
Verbatim Corp
Cross-Reference Index
Part NumberManufacturer
437 3-8 Crane Co Div Valve Div (USA)
14 The Walworth Company (USA)
2615208-002 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
14-3-8IN PRIMARY The Walworth Company (USA)
Related Parts
5340-00-291-3546INTERCHANGEABLE
SNAP HOOK
437-3-8
5950-00-444-0419INTERCHANGEABLE
TRANSFORMER,POWER
984816-2
5330-00-641-3102INTERCHANGEABLE
SEAL,PLAIN ENCASED
103185
5910-01-056-5015INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
5998-01-164-6258INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
43738
4720-01-171-4306INTERCHANGEABLE
HOSE,PREFORMED
43738
5836-01-600-3329INTERCHANGEABLE
DISK,VIDEO RECORDING
97339

Frequently Asked Questions

What is NSN 4820-00-959-5792?

NSN 4820-00-959-5792 is a Valve,gate, manufactured by The Walworth Company, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-959-5792?

NSN 4820-00-959-5792 has 4 cross-referenced part numbers: 437 3-8 (Crane Co Div Valve Div), 14 (The Walworth Company), 2615208-002 (Lockheed Martin Corporation Div Rms - Mitchel Field), 14-3-8IN (The Walworth Company).

What NSN replaces 4820-00-959-5792?

There are 7 known substitutes for 4820-00-959-5792: 5340-00-291-3546, 5950-00-444-0419, 5330-00-641-3102 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 14-3-8IN?

Key specifications for 14-3-8IN: Valve Operation Method: MANUAL; Inlet Relationship with Outlet: IDENTICAL; Stem Type: NONRISING; Material Document and Classification: ASTMCU0172 ASSN STD SINGLE MATERIAL RESPONSE BODY. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-959-5792 still in active supply?

NSN 4820-00-959-5792 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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