PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FS-1800W-2INCHValve,gate

Hammond Valve Corp · NSN 4820-01-024-1281 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-024-1281 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-024-1281. Primary manufacturer part number: FS-1800W-2INCH.
Features
  • Valve,gate — FSC 4820
  • Material: STEEL CORROSION RESISTING SEAT
  • Material: STEEL CORROSION RESISTING STEM
  • Valve Operation Method: MANUAL
  • Inlet Relationship with Outlet: IDENTICAL
  • Material: STEEL BODY
  • Material Document and Classification: A105,GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE BODY
  • Operating Pressure and Type: 800.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Seat construction
General Description

The Valve,gate, cataloged under National Stock Number 4820-01-024-1281, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hammond Valve Corp. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-024-1281
Primary Part NumberFS-1800W-2INCH
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHammond Valve Corp
StatusCANCELLED
MaterialSTEEL CORROSION RESISTING SEAT
MaterialSTEEL CORROSION RESISTING STEM
Valve Operation MethodMANUAL
Inlet Relationship with OutletIDENTICAL
MaterialSTEEL BODY
Material Document and ClassificationA105,GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE BODY
Operating Pressure and Type800.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Bonnet TypeOUTSIDE SCREW-YOKE
MaterialSTEEL CORROSION RESISTING DISK
Bonnet Attachment MethodBOLTED
Stem TypeRISING
Nominal Pipe Size Accommodated2.000 INCHES IN
Maximum Operating Temp and Media for Which Designed850.0 FAHRENHEIT STEAM DEGF
Connection TypeSOCKET, WELD, PIPE
Valve Size2.000 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
3020-00-164-2987 INTERCHANGEABLE
Gear,spur
6240-00-556-86574510 INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
4620-00-763-160311-68-2-4186-01 INTERCHANGEABLE
Seal Assembly,shaft
Veetronix Inc
5945-00-945-22585239 INTERCHANGEABLE
Solenoid,electrical
Daco Instrument Co Div of Alinabal Inc
5975-01-098-48385239 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
5935-01-158-1088 INTERCHANGEABLE
Connector,receptacle,electrical
5920-01-647-16175239 INTERCHANGEABLE
Fuse,enclosed Link
Navico Group Americas Llc Dba Power Products of Delaware, Llc Div Navico Group, Previously Power Products Llc
5985-01-659-21795239 INTERCHANGEABLE
Antenna
Shakespeare Company, Llc Div Military Electronics
Cross-Reference Index
Part NumberManufacturer
FS-1800W-2INCH Hammond Valve Corp (USA)
800-2IN Newdell Company, the (USA)
1117 Ashcroft Inc Dba Heise (USA)
5239 The Walworth Company (USA)
800 Newdell Company, the (USA)
5239-2IN The Walworth Company (USA)
FC-1011U-2IN Hammond Valve Corp (USA)
Related Parts
3020-00-164-2987INTERCHANGEABLE
GEAR,SPUR
6240-00-556-8657INTERCHANGEABLE
LAMP,INCANDESCENT
4510
4620-00-763-1603INTERCHANGEABLE
SEAL ASSEMBLY,SHAFT
11-68-2-4186-01
5945-00-945-2258INTERCHANGEABLE
SOLENOID,ELECTRICAL
5239
5975-01-098-4838INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5239
5935-01-158-1088INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5920-01-647-1617INTERCHANGEABLE
FUSE,ENCLOSED LINK
5239
5985-01-659-2179INTERCHANGEABLE
ANTENNA
5239

Frequently Asked Questions

What is NSN 4820-01-024-1281?

NSN 4820-01-024-1281 is a Valve,gate, manufactured by Hammond Valve Corp, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-024-1281?

NSN 4820-01-024-1281 has 7 cross-referenced part numbers: FS-1800W-2INCH (Hammond Valve Corp), 800-2IN (Newdell Company, the), 1117 (Ashcroft Inc Dba Heise), 5239 (The Walworth Company), 800 (Newdell Company, the) and 2 more.

What NSN replaces 4820-01-024-1281?

There are 8 known substitutes for 4820-01-024-1281: 3020-00-164-2987, 6240-00-556-8657, 4620-00-763-1603 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FS-1800W-2INCH?

Key specifications for FS-1800W-2INCH: Material: STEEL CORROSION RESISTING SEAT; Material: STEEL CORROSION RESISTING STEM; Valve Operation Method: MANUAL; Inlet Relationship with Outlet: IDENTICAL. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-024-1281 still in active supply?

NSN 4820-01-024-1281 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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