PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B112A2 1/2 INCHValve,gate

Hunt Valve Company, Inc. · NSN 4820-01-294-9517 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-294-9517 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-294-9517. Primary manufacturer part number: B112A2 1/2 INCH.
Features
  • Valve,gate — FSC 4820
  • Connection Type: FLANGE, ROUND W/HOLES
  • Stem Type: NONRISING
  • Valve Size: 2.500 INCHES IN
  • Flange Face Design: PLAIN
  • Pressure Class: ERR-060
  • Inlet Relationship with Outlet: IDENTICAL
  • Face to Face Distance: 7.500 INCHES IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,gate, cataloged under National Stock Number 4820-01-294-9517, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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
NSN4820-01-294-9517
Primary Part NumberB112A2 1/2 INCH
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHunt Valve Company, Inc.
StatusACTIVE
Connection TypeFLANGE, ROUND W/HOLES
Stem TypeNONRISING
Valve Size2.500 INCHES IN
Flange Face DesignPLAIN
Pressure ClassERR-060
Inlet Relationship with OutletIDENTICAL
Face to Face Distance7.500 INCHES IN
Furnished Items and Quantity1 HANDWHEEL
Features ProvidedBONNET PACKING
Bonnet Attachment MethodBOLTED
Bonnet TypeINSIDE SCREW
Bolt Hole Quantity4
MaterialCOPPER ALLOY BODY
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
MaterialCOPPER ALLOY DISK
Material Document and ClassificationASTM B21 ALLOY C ASSN STD SINGLE MATERIAL RESPONSE STEM
Maximum Operating Temp and Media for Which Designed406.0 FAHRENHEIT STEAM AND 150.0 FAHRENHEIT WATER-OIL-GAS DEGF
Valve Operation MethodMANUAL
MaterialCOPPER ALLOY STEM
Flange Diameter7.000 INCHES IN
MaterialCOPPER ALLOY SEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-201-2755CV799-5 INTERCHANGEABLE
Adapter,connector
Winchester Interconnect Corporation
3120-00-808-2171B32L INTERCHANGEABLE
Bearing,plain,self-Aligning
Rbc Bearings Incorporated Div West Trenton Division
4820-01-278-62287995-15 INTERCHANGEABLE
Stem,fluid Valve
William E Williams Valve Corp
4820-01-278-62807995-2 INTERCHANGEABLE
Disk,valve
William E Williams Valve Corp
4820-01-278-73977995 ITEM 3 8IN INTERCHANGEABLE
Seat,valve
William E Williams Valve Corp
4820-01-293-86027995-2 5IN INTERCHANGEABLE
Disk,valve
William E Williams Valve Corp
4820-01-294-17857995-3 5IN INTERCHANGEABLE
Seat,valve
William E Williams Valve Corp
4820-01-294-72487995-15 5IN INTERCHANGEABLE
Stem,fluid Valve
William E Williams Valve Corp
4820-01-294-95187995 ITEM 141F 5IN INTERCHANGEABLE
Valve,gate
William E Williams Valve Corp
4820-01-301-0383141F ITEM 15 6IN INTERCHANGEABLE
Stem,fluid Valve
William E Williams Valve Corp
Cross-Reference Index
Part NumberManufacturer
141F-2.5IN William E Williams Valve Corp (USA)
B112A2 1/2 INCH PRIMARY Hunt Valve Company, Inc. (USA)
B112A2 1/2 INCH Pima Valve, Llc (USA)
7995 William E Williams Valve Corp (USA)
7995-2.5IN William E Williams Valve Corp (USA)
Related Parts
5935-00-201-2755INTERCHANGEABLE
ADAPTER,CONNECTOR
CV799-5
3120-00-808-2171INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
B32L
4820-01-278-6228INTERCHANGEABLE
STEM,FLUID VALVE
7995-15
4820-01-278-6280INTERCHANGEABLE
DISK,VALVE
7995-2
4820-01-278-7397INTERCHANGEABLE
SEAT,VALVE
7995 ITEM 3 8IN
4820-01-293-8602INTERCHANGEABLE
DISK,VALVE
7995-2 5IN
4820-01-294-1785INTERCHANGEABLE
SEAT,VALVE
7995-3 5IN
4820-01-294-7248INTERCHANGEABLE
STEM,FLUID VALVE
7995-15 5IN
4820-01-294-9518INTERCHANGEABLE
VALVE,GATE
7995 ITEM 141F 5IN
4820-01-301-0383INTERCHANGEABLE
STEM,FLUID VALVE
141F ITEM 15 6IN
5330-01-303-2518INTERCHANGEABLE
SEAL,GATE VALVE
7995-8 6IN
6105-01-369-1635INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT

Frequently Asked Questions

What is NSN 4820-01-294-9517?

NSN 4820-01-294-9517 is a Valve,gate, manufactured by Hunt Valve Company, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-294-9517?

NSN 4820-01-294-9517 has 5 cross-referenced part numbers: 141F-2.5IN (William E Williams Valve Corp), B112A2 1/2 INCH (Hunt Valve Company, Inc.), B112A2 1/2 INCH (Pima Valve, Llc), 7995 (William E Williams Valve Corp), 7995-2.5IN (William E Williams Valve Corp).

What NSN replaces 4820-01-294-9517?

There are 12 known substitutes for 4820-01-294-9517: 5935-00-201-2755, 3120-00-808-2171, 4820-01-278-6228 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B112A2 1/2 INCH?

Key specifications for B112A2 1/2 INCH: Connection Type: FLANGE, ROUND W/HOLES; Stem Type: NONRISING; Valve Size: 2.500 INCHES IN; Flange Face Design: PLAIN. 21 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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