PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FIG490-4INCHValve,gate

Crane Co Div Valve Div · NSN 4820-00-287-3954 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-287-3954 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-287-3954. Primary manufacturer part number: FIG490-4INCH.
Features
  • Valve,gate — FSC 4820
  • Inlet Relationship with Outlet: IDENTICAL
  • Stem Type: RISING
  • Nominal Thread Size: 4.000 INCHES IN
  • Maximum Operating Temp and Media for Which Designed: 450.0 FAHRENHEIT STEAM AND 450.0 FAHRENHEIT WATER-OIL-GAS DEGF
  • Pressure Class: ERR-060
  • Thread Series Designator: NPT
  • Operating Pressure and Type: 200.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 200.0 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
General Description

The Valve,gate, cataloged under National Stock Number 4820-00-287-3954, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Crane Co Div Valve Div. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-287-3954
Primary Part NumberFIG490-4INCH
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCrane Co Div Valve Div
StatusCANCELLED
Inlet Relationship with OutletIDENTICAL
Stem TypeRISING
Nominal Thread Size4.000 INCHES IN
Maximum Operating Temp and Media for Which Designed450.0 FAHRENHEIT STEAM AND 450.0 FAHRENHEIT WATER-OIL-GAS DEGF
Pressure ClassERR-060
Thread Series DesignatorNPT
Operating Pressure and Type200.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 200.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Valve Size4.000 INCHES IN
Features ProvidedBONNET PACKING
Nominal Pipe Size Accommodated4.000 INCHES IN
Bonnet TypeINSIDE SCREW
Connection TypeTHREADED INTERNAL PIPE
Bonnet Attachment MethodU-BOLT
Valve Operation MethodMANUAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
4820-00-287-3952N0. 490 VALVE N.P.S. 1-1/4 IN. INTERCHANGEABLE
Valve,gate
Crane Co Div Valve Div
4820-00-287-3953FIG4901 1-2IN INTERCHANGEABLE
Valve,gate
Crane Co Div Valve Div
Cross-Reference Index
Part NumberManufacturer
FIG490 Crane Co Div Valve Div (USA)
FIG490-4INCH PRIMARY Crane Co Div Valve Div (USA)
Related Parts
4820-00-287-3952INTERCHANGEABLE
VALVE,GATE
N0. 490 VALVE N.P.S. 1-1/4 IN.
4820-00-287-3953INTERCHANGEABLE
VALVE,GATE
FIG4901 1-2IN

Frequently Asked Questions

What is NSN 4820-00-287-3954?

NSN 4820-00-287-3954 is a Valve,gate, manufactured by Crane Co Div Valve Div, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-287-3954?

NSN 4820-00-287-3954 has 2 cross-referenced part numbers: FIG490 (Crane Co Div Valve Div), FIG490-4INCH (Crane Co Div Valve Div).

What NSN replaces 4820-00-287-3954?

There are 2 known substitutes for 4820-00-287-3954: 4820-00-287-3952, 4820-00-287-3953. Verify interchangeability with system specifications before substitution.

What are the specifications of FIG490-4INCH?

Key specifications for FIG490-4INCH: Inlet Relationship with Outlet: IDENTICAL; Stem Type: RISING; Nominal Thread Size: 4.000 INCHES IN; Maximum Operating Temp and Media for Which Designed: 450.0 FAHRENHEIT STEAM AND 450.0 FAHRENHEIT WATER-OIL-GAS DEGF. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-287-3954 still in active supply?

NSN 4820-00-287-3954 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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