PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B104Valve,gate

Stockham Valves and Fittings Inc · NSN 4820-01-424-5408 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-424-5408 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-424-5408. Primary manufacturer part number: B104.
Features
  • Valve,gate — FSC 4820
  • Material: COPPER ALLOY AND SILICON STEM
  • Material: COPPER ALLOY DISK
  • Valve Size: 0.750 INCHES IN
  • Stem Type: NONRISING
  • Pressure Class: ERR-060
  • Operating Pressure and Type: 15.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
  • Connection Type: SOLDER, TUBE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy and Silicon Stem construction
General Description

The Valve,gate, cataloged under National Stock Number 4820-01-424-5408, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Stockham Valves and Fittings Inc. Government technical data includes 14 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-424-5408
Primary Part NumberB104
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerStockham Valves and Fittings Inc
StatusACTIVE
MaterialCOPPER ALLOY AND SILICON STEM
MaterialCOPPER ALLOY DISK
Valve Size0.750 INCHES IN
Stem TypeNONRISING
Pressure ClassERR-060
Operating Pressure and Type15.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Connection TypeSOLDER, TUBE
Bonnet TypeINSIDE SCREW
Maximum Operating Temp and Media for Which Designed-20.0 FAHRENHEIT STEAM AND 150.0 FAHRENHEIT STEAM DEGF
MaterialCOPPER ALLOY BODY
Bonnet Attachment MethodTHREADED
Inlet Relationship with OutletIDENTICAL
Nominal Outside Diameter Tube Accommodated0.750 INCHES IN
Valve Operation MethodMANUAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5940-00-143-4780MS25036-108 INTERCHANGEABLE
Terminal,lug
Sae International Dba Sae International
4730-00-256-981100104-0004-1 INTERCHANGEABLE
Cup,oil,lubricating
Gits Mfg Co Inc
5340-00-491-7583B104 INTERCHANGEABLE
Cap,protective,dust and Moisture
Caplugs Llc Dba Mokon Div Caplugs
2050-00-851-678822104 INTERCHANGEABLE
Buoy,marker
Taylor Nelson a Co Inc
5910-01-122-8809 INTERCHANGEABLE
Capacitor
5998-01-442-3834B104 INTERCHANGEABLE
Circuit Card Assembly
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
5340-01-696-9332B-104 INTERCHANGEABLE
Bumper
Blue Moon Designs, Llc Dba Blue Moon Designs
5305-01-717-5698B104 INTERCHANGEABLE
Screw,machine
Really Right Stuff Llc
Cross-Reference Index
Part NumberManufacturer
B104 PRIMARY Stockham Valves and Fittings Inc (USA)
Related Parts
5940-00-143-4780INTERCHANGEABLE
TERMINAL,LUG
MS25036-108
4730-00-256-9811INTERCHANGEABLE
CUP,OIL,LUBRICATING
00104-0004-1
5340-00-491-7583INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
B104
2050-00-851-6788INTERCHANGEABLE
BUOY,MARKER
22104
5910-01-122-8809INTERCHANGEABLE
CAPACITOR
5998-01-442-3834INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
B104
5340-01-696-9332INTERCHANGEABLE
BUMPER
B-104
5305-01-717-5698INTERCHANGEABLE
SCREW,MACHINE
B104

Frequently Asked Questions

What is NSN 4820-01-424-5408?

NSN 4820-01-424-5408 is a Valve,gate, manufactured by Stockham Valves and Fittings Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-424-5408?

NSN 4820-01-424-5408 has 1 cross-referenced part number: B104 (Stockham Valves and Fittings Inc).

What NSN replaces 4820-01-424-5408?

There are 8 known substitutes for 4820-01-424-5408: 5940-00-143-4780, 4730-00-256-9811, 5340-00-491-7583 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B104?

Key specifications for B104: Material: COPPER ALLOY AND SILICON STEM; Material: COPPER ALLOY DISK; Valve Size: 0.750 INCHES IN; Stem Type: NONRISING. 16 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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