PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2801Valve,gate

Flowserve Inc · NSN 4820-01-270-2444 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-270-2444 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-270-2444. Primary manufacturer part number: 2801.
Features
  • Valve,gate — FSC 4820
  • Material Document and Classification: ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE BODY
  • Nominal Thread Size: 0.500 INCHES IN
  • Maximum Operating Temp and Media for Which Designed: 1000.0 FAHRENHEIT STEAM AND 100.0 FAHRENHEIT WATER-OIL-GAS DEGF
  • Pressure Class: ERR-060
  • Thread Series Designator: NPT
  • Operating Pressure and Type: 235.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 2000.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
  • Inlet Relationship with Outlet: IDENTICAL
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Stem construction
General Description

The Valve,gate, cataloged under National Stock Number 4820-01-270-2444, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Flowserve Inc. Government technical data includes 18 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-270-2444
Primary Part Number2801
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFlowserve Inc
StatusACTIVE
Material Document and ClassificationASTM A105 ASSN STD SINGLE MATERIAL RESPONSE BODY
Nominal Thread Size0.500 INCHES IN
Maximum Operating Temp and Media for Which Designed1000.0 FAHRENHEIT STEAM AND 100.0 FAHRENHEIT WATER-OIL-GAS DEGF
Pressure ClassERR-060
Thread Series DesignatorNPT
Operating Pressure and Type235.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 2000.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Inlet Relationship with OutletIDENTICAL
Bonnet TypeOUTSIDE SCREW-YOKE
Valve Size0.500 INCHES IN
MaterialSTEEL CORROSION RESISTING STEM
MaterialSTEEL CORROSION RESISTING DISK
Valve Operation MethodMANUAL
Features ProvidedBONNET PACKING
Stem TypeRISING
Connection TypeTHREADED INTERNAL PIPE
MaterialSTEEL UNS K03504 BODY
MaterialSTEEL CORROSION RESISTING SEAT
Bonnet Attachment MethodWELDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-248-66642801 INTERCHANGEABLE
Socket,crowfoot Wrench Head
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5935-00-257-9596 INTERCHANGEABLE
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5920-00-280-5062158443 INTERCHANGEABLE
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5310-00-517-38892-801 INTERCHANGEABLE
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5905-00-591-29352801 INTERCHANGEABLE
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Measurement Specialties, Inc.
4510-00-831-75312801 INTERCHANGEABLE
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Mag Aerospace Industries, Llc Div Safran Cabins
5960-00-867-5699 INTERCHANGEABLE
Heat,sink,electrica
1660-01-108-30122801 INTERCHANGEABLE
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5315-01-136-1860 INTERCHANGEABLE
Pin,straight,headed
Cross-Reference Index
Part NumberManufacturer
2801 PRIMARY Flowserve Inc (USA)
Related Parts
5120-00-248-6664INTERCHANGEABLE
SOCKET,CROWFOOT WRENCH HEAD
2801
5935-00-257-9596INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5920-00-280-5062INTERCHANGEABLE
FUSE,CARTRIDGE
158443
4320-00-413-5055INTERCHANGEABLE
ROTOR,TUBE CLEANER
5310-00-517-3889INTERCHANGEABLE
WASHER PLAIN ENGINE
2-801
5905-00-591-2935INTERCHANGEABLE
RESISTOR,THERMAL
2801
4510-00-831-7531INTERCHANGEABLE
TANK ASSEMBLY,WATER
2801
5960-00-867-5699INTERCHANGEABLE
HEAT,SINK,ELECTRICA
1660-01-108-3012INTERCHANGEABLE
TRANSDUCER
2801
5315-01-136-1860INTERCHANGEABLE
PIN,STRAIGHT,HEADED
6625-01-157-7730INTERCHANGEABLE
PROBE-LEAD ASSEMBLY,TEST
PM2801
6145-01-270-2801INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
5640B2001

Frequently Asked Questions

What is NSN 4820-01-270-2444?

NSN 4820-01-270-2444 is a Valve,gate, manufactured by Flowserve Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-270-2444?

NSN 4820-01-270-2444 has 1 cross-referenced part number: 2801 (Flowserve Inc).

What NSN replaces 4820-01-270-2444?

There are 12 known substitutes for 4820-01-270-2444: 5120-00-248-6664, 5935-00-257-9596, 5920-00-280-5062 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2801?

Key specifications for 2801: Material Document and Classification: ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE BODY; Nominal Thread Size: 0.500 INCHES IN; Maximum Operating Temp and Media for Which Designed: 1000.0 FAHRENHEIT STEAM AND 100.0 FAHRENHEIT WATER-OIL-GAS DEGF; Pressure Class: ERR-060. 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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