PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0250 SZ 1/4 INValve,gate

Fairbanks Co the · NSN 4820-00-268-9151 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-268-9151 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-268-9151. Primary manufacturer part number: 0250 SZ 1/4 IN.
Features
  • Valve,gate — FSC 4820
  • Features Provided: BONNET PACKING
  • Pressure Class: ERR-060
  • Stem Type: NONRISING
  • Inlet Relationship with Outlet: IDENTICAL
  • Bonnet Type: INSIDE SCREW
  • Material: COPPER ALLOY 836 BODY
  • Nominal Thread Size: 0.250 INCHES IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy 836 Body construction
General Description

The Valve,gate, cataloged under National Stock Number 4820-00-268-9151, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Fairbanks Co the. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 27 commercial cross-references from 18 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-268-9151
Primary Part Number0250 SZ 1/4 IN
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFairbanks Co the
StatusCANCELLED
Features ProvidedBONNET PACKING
Pressure ClassERR-060
Stem TypeNONRISING
Inlet Relationship with OutletIDENTICAL
Bonnet TypeINSIDE SCREW
MaterialCOPPER ALLOY 836 BODY
Nominal Thread Size0.250 INCHES IN
Maximum Operating Temp and Media for Which Designed406.0 FAHRENHEIT STEAM AND 150.0 FAHRENHEIT WATER-OIL-GAS DEGF
Material Document and ClassificationASTM B62 ASSN STD SINGLE MATERIAL RESPONSE BODY
Thread Series DesignatorNPT
Operating Pressure and Type125.0 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
Connection TypeTHREADED INTERNAL PIPE
Bonnet Attachment MethodTHREADED
Valve Operation MethodMANUAL
Material Document and ClassificationASTMCU0172 ASSN STD SINGLE MATERIAL RESPONSE DISK
MaterialCOPPER ALLOY STEM
MaterialCOPPER ALLOY 836 DISK
Material Document and ClassificationASTM B584 ALLOY876 ASSN STD SINGLE MATERIAL RESPONSE STEM
Valve Size0.250 INCHES IN
MaterialCOPPER ALLOY SEAT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-155-65092361204 INTERCHANGEABLE
Bearing,roller,cylindrical
Fairbanks Morse, Llc
4820-00-263-91195698 INTERCHANGEABLE
Valve,gate
Rosco Mfg Co
5331-00-265-1097MS29513-129 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
4820-00-268-91520250 SZ 3/8 IN INTERCHANGEABLE
Valve,gate
Fairbanks Co the
4820-00-268-9154105-3/4NPT INTERCHANGEABLE
Valve,gate
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
9540-00-287-9426 INTERCHANGEABLE
Channel,structural
4820-00-288-7244 INTERCHANGEABLE
Valve,gate
4820-00-595-385614358-C INTERCHANGEABLE
Valve,gate
Blue Tee Corp. Dba Gefco
6145-00-630-0387M27500-16B4U00 INTERCHANGEABLE
Cable,power,electrical
National Electrical Mfrs Assn Dba Nema
3020-00-679-0273 INTERCHANGEABLE
Gear,spur
Cross-Reference Index
Part NumberManufacturer
WWV54 Walworth Co Marine Div (USA)
WWV54 William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
WWV54 Nicholson Music Co (USA)
0250 SZ 1/4 IN PRIMARY Fairbanks Co the (USA)
404584-001 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
370 Jenkins Bros (USA)
CUR1291 Siemens Water Technologies Corp. Div Wallace & Tiernan Products (USA)
609 Hammond Valve Corp (USA)
WWV54 Siemens Water Technologies Corp. Div Wallace & Tiernan Products (USA)
MSS SP-80 Manufacturers Standardization Society of the Valve and Fittings Industry Inc (USA)
4 1-4 Walworth Co Marine Div (USA)
CUW1291 Siemens Water Technologies Corp. Div Wallace & Tiernan Products (USA)
99 Lunkenheimer Co (USA)
WWV54 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
81223-0107 Ling Electronics Inc Dba (USA)
MPD9484-55-30 Met-Pro Corporation (USA)
WWV54 Met-Pro Corporation (USA)
FIG 370 SIZE 1/4 IN Jenkins Bros (USA)
WWV54 Hammond Valve Corp (USA)
FIG438 Crane Co Div Valve Div (USA)
Related Parts
3110-00-155-6509INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
2361204
4820-00-263-9119INTERCHANGEABLE
VALVE,GATE
5698
5331-00-265-1097INTERCHANGEABLE
O-RING
MS29513-129
4820-00-268-9152INTERCHANGEABLE
VALVE,GATE
0250 SZ 3/8 IN
4820-00-268-9154INTERCHANGEABLE
VALVE,GATE
105-3/4NPT
9540-00-287-9426INTERCHANGEABLE
CHANNEL,STRUCTURAL
4820-00-288-7244INTERCHANGEABLE
VALVE,GATE
4820-00-595-3856INTERCHANGEABLE
VALVE,GATE
14358-C
6145-00-630-0387INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
M27500-16B4U00
3020-00-679-0273INTERCHANGEABLE
GEAR,SPUR
5340-00-725-1901INTERCHANGEABLE
STANDOFF,THREADED,SPACING
2129
5330-00-737-6904INTERCHANGEABLE
GASKET
7376904

Frequently Asked Questions

What is NSN 4820-00-268-9151?

NSN 4820-00-268-9151 is a Valve,gate, manufactured by Fairbanks Co the, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-268-9151?

NSN 4820-00-268-9151 has 27 cross-referenced part numbers: WWV54 (Walworth Co Marine Div), WWV54 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), WWV54 (Nicholson Music Co), 0250 SZ 1/4 IN (Fairbanks Co the), 404584-001 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc) and 22 more.

What NSN replaces 4820-00-268-9151?

There are 12 known substitutes for 4820-00-268-9151: 3110-00-155-6509, 4820-00-263-9119, 5331-00-265-1097 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 0250 SZ 1/4 IN?

Key specifications for 0250 SZ 1/4 IN: Features Provided: BONNET PACKING; Pressure Class: ERR-060; Stem Type: NONRISING; Inlet Relationship with Outlet: IDENTICAL. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-268-9151 still in active supply?

NSN 4820-00-268-9151 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.
PartsTable Design LLC · partstable.com