PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55H40Valve,gate

Union Carbide Corp Sub of Dow Co the · NSN 4820-00-428-3095 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-428-3095 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-428-3095. Primary manufacturer part number: 55H40.
Features
  • Valve,gate — FSC 4820
  • Material Document and Classification: ASTMSTA000 ASSN STD SINGLE MATERIAL RESPONSE BODY
  • Nominal Thread Size: 0.250 INCHES IN
  • Stem Type: RISING
  • Inlet Relationship with Outlet: IDENTICAL
  • Material: STEEL BODY
  • Thread Series Designator: NPT
  • Operating Pressure and Type: 150.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 225.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Body construction
General Description

The Valve,gate, cataloged under National Stock Number 4820-00-428-3095, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Union Carbide Corp Sub of Dow Co the. Government technical data includes 19 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-428-3095
Primary Part Number55H40
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerUnion Carbide Corp Sub of Dow Co the
StatusACTIVE
Material Document and ClassificationASTMSTA000 ASSN STD SINGLE MATERIAL RESPONSE BODY
Nominal Thread Size0.250 INCHES IN
Stem TypeRISING
Inlet Relationship with OutletIDENTICAL
MaterialSTEEL BODY
Thread Series DesignatorNPT
Operating Pressure and Type150.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 225.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Bonnet Attachment MethodU-BOLT
Valve Size0.250 INCHES IN
Features ProvidedBONNET PACKING
Bonnet TypeINSIDE SCREW
MaterialIRON SEAT
Valve Operation MethodMANUAL
Material Document and ClassificationASTMFEA000 ASSN STD SINGLE MATERIAL RESPONSE SEAT
Material Document and ClassificationASTMFEA000 ASSN STD SINGLE MATERIAL RESPONSE DISK
MaterialIRON STEM
Material Document and ClassificationASTMFEA000 ASSN STD SINGLE MATERIAL RESPONSE STEM
Connection TypeTHREADED INTERNAL PIPE
MaterialIRON DISK
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
7050-00-106-3196488 INTERCHANGEABLE
Converter,digital to Analog
Electro-Tec Corp Dba Moog Inc., Components Group
2940-00-412-383446335 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
6625-00-580-4254488 INTERCHANGEABLE
Voltmeter
Q V S Inc
3610-00-620-1677 INTERCHANGEABLE
Screw
4820-00-813-4532 INTERCHANGEABLE
Valve,gate
5915-00-886-9178 INTERCHANGEABLE
Network,summing No
5935-00-958-2063488 INTERCHANGEABLE
Jack,tip
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
6210-01-008-1392618962-1 INTERCHANGEABLE
Fixture,lighting
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
5360-01-024-99277495 INTERCHANGEABLE
Spring,helical,compression
Lawler Manufacturing Company, Inc.
5910-01-171-54660420604880 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
Callanan Co
Cross-Reference Index
Part NumberManufacturer
55H40 PRIMARY Union Carbide Corp Sub of Dow Co the (USA)
488S1ZE1-41N PRIMARY Crane Co Div Valve Div (USA)
488 PRIMARY Crane Co Div Valve Div (USA)
95555-33 Beaird Industries Inc. (USA)
Related Parts
7050-00-106-3196INTERCHANGEABLE
CONVERTER,DIGITAL TO ANALOG
488
2940-00-412-3834INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
46335
6625-00-580-4254INTERCHANGEABLE
VOLTMETER
488
3610-00-620-1677INTERCHANGEABLE
SCREW
4820-00-813-4532INTERCHANGEABLE
VALVE,GATE
5915-00-886-9178INTERCHANGEABLE
NETWORK,SUMMING NO
5935-00-958-2063INTERCHANGEABLE
JACK,TIP
488
6210-01-008-1392INTERCHANGEABLE
FIXTURE,LIGHTING
618962-1
5360-01-024-9927INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
7495
5910-01-171-5466INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
0420604880
6625-01-210-0489INTERCHANGEABLE
ANALYZER PROGRAMMAB
488
5310-01-387-9183INTERCHANGEABLE
WASHER,LOCK
488

Frequently Asked Questions

What is NSN 4820-00-428-3095?

NSN 4820-00-428-3095 is a Valve,gate, manufactured by Union Carbide Corp Sub of Dow Co the, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-428-3095?

NSN 4820-00-428-3095 has 4 cross-referenced part numbers: 55H40 (Union Carbide Corp Sub of Dow Co the), 488S1ZE1-41N (Crane Co Div Valve Div), 488 (Crane Co Div Valve Div), 95555-33 (Beaird Industries Inc.).

What NSN replaces 4820-00-428-3095?

There are 12 known substitutes for 4820-00-428-3095: 7050-00-106-3196, 2940-00-412-3834, 6625-00-580-4254 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55H40?

Key specifications for 55H40: Material Document and Classification: ASTMSTA000 ASSN STD SINGLE MATERIAL RESPONSE BODY; Nominal Thread Size: 0.250 INCHES IN; Stem Type: RISING; Inlet Relationship with Outlet: IDENTICAL. 19 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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