PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2/CL.125/SIZE 1-1/2 INValve,gate

Manufacturers Standardization Society of the Valve and Fittings Industry Inc · NSN 4820-00-288-7568 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-288-7568 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-288-7568. Primary manufacturer part number: 2/CL.125/SIZE 1-1/2 IN.
Features
  • Valve,gate — FSC 4820
  • Bonnet Type: INSIDE SCREW
  • Pressure Class: ERR-060
  • Inlet Relationship with Outlet: IDENTICAL
  • Material: COPPER ALLOY 836 BODY
  • Stem Type: RISING
  • Maximum Operating Temp and Media for Which Designed: 406.0 FAHRENHEIT STEAM AND 150.0 FAHRENHEIT WATER-OIL-GAS DEGF
  • Connection Type: THREADED INTERNAL PIPE
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 4820-00-288-7568, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Manufacturers Standardization Society of the Valve and Fittings Industry Inc. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 commercial cross-references from 15 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
NSN4820-00-288-7568
Primary Part Number2/CL.125/SIZE 1-1/2 IN
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerManufacturers Standardization Society of the Valve and Fittings Industry Inc
StatusCANCELLED
Bonnet TypeINSIDE SCREW
Pressure ClassERR-060
Inlet Relationship with OutletIDENTICAL
MaterialCOPPER ALLOY 836 BODY
Stem TypeRISING
Maximum Operating Temp and Media for Which Designed406.0 FAHRENHEIT STEAM AND 150.0 FAHRENHEIT WATER-OIL-GAS DEGF
Connection TypeTHREADED INTERNAL PIPE
Valve Operation MethodMANUAL
Features ProvidedBONNET PACKING
Valve Size1.500 INCHES IN
Nondefinitive Spec/std Data2 TYPE AND 1 STYLE AND A CLASS
Nominal Thread Size1.500 INCHES IN
Material Document and ClassificationASTM B62 ASSN STD SINGLE MATERIAL RESPONSE BODY
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
Thread Series DesignatorNPT
Bonnet Attachment MethodUNION
MaterialCOPPER ALLOY 694 STEM
MaterialCOPPER ALLOY 836 DISK
MaterialCOPPER ALLOY SEAT
Material Document and ClassificationASTM B62 ASSN STD SINGLE MATERIAL RESPONSE DISK
Material Document and ClassificationASTM B371 ALLOY694 ASSN STD SINGLE MATERIAL RESPONSE STEM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5930-00-050-2699 INTERCHANGEABLE
Switch,toggle
5910-00-115-3374154-0007-001 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Viking Technologies, Ltd.
5930-00-139-24122805152000 INTERCHANGEABLE
Switch,thermostatic
Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc
5950-00-193-8501345848PC1 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3110-00-198-2858 INTERCHANGEABLE
Bearing,ball,annular
5306-00-207-5874DS-930655 INTERCHANGEABLE
Bolt,internal Wrenching
Eaton Aerospace, Llc Dba Jackson South
5940-00-230-0515MS25036-154 INTERCHANGEABLE
Terminal,lug
Sae International Dba Sae International
5120-00-240-6051 INTERCHANGEABLE
Bar,pinch
3110-00-277-05388713974 INTERCHANGEABLE
Bearing,roller,needle
U S Army Tank Automotive Command Amsta-Im-Mm
5310-00-290-9958 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
500-1 1-2 William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
FIG B-105 SZ 1 1/2 IN Stockham Valves and Fittings Inc (USA)
2125-1 1-2 Lunkenheimer Co (USA)
FP7233 Canron Incplastics Div (CAN)
78133 Aqua-Chem Inc Cleaver-Brooks Div (USA)
63686 Kennedy Valve Div of Itt Grinnell Valve Co Inc (USA)
FIG47V Jenkins Bros (USA)
AM882 Facet (oklahoma) Llc (USA)
15-810 Crane Canada Inccrane Valve Group-Brantford (CAN)
MSS SP-80 Manufacturers Standardization Society of the Valve and Fittings Industry Inc (USA)
440-1-1-2 Crane Co Div Valve Div (USA)
WWV54 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
2/CL.125/SIZE 1-1/2 IN PRIMARY Manufacturers Standardization Society of the Valve and Fittings Industry Inc (USA)
2 The Walworth Company (USA)
428-1 1-2 Crane Co Div Valve Div (USA)
904085 Aqua-Chem Inc Cleaver-Brooks Div (USA)
525 Kennedy Valve Div of Itt Grinnell Valve Co Inc (USA)
B105 Stockham Valves and Fittings Inc (USA)
21-1 1-2 Ohio Brass Co (USA)
15-47 Jenkins Bros (USA)
Related Parts
5930-00-050-2699INTERCHANGEABLE
SWITCH,TOGGLE
5910-00-115-3374INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
154-0007-001
5930-00-139-2412INTERCHANGEABLE
SWITCH,THERMOSTATIC
2805152000
5950-00-193-8501INTERCHANGEABLE
TRANSFORMER,POWER
345848PC1
3110-00-198-2858INTERCHANGEABLE
BEARING,BALL,ANNULAR
5306-00-207-5874INTERCHANGEABLE
BOLT,INTERNAL WRENCHING
DS-930655
5940-00-230-0515INTERCHANGEABLE
TERMINAL,LUG
MS25036-154
5120-00-240-6051INTERCHANGEABLE
BAR,PINCH
3110-00-277-0538INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
8713974
5310-00-290-9958INTERCHANGEABLE
WASHER,FLAT
3120-00-294-0020INTERCHANGEABLE
BUSHING,SLEEVE
4001547
9150-00-392-1670INTERCHANGEABLE
GREASE,UTILITY
108805

Frequently Asked Questions

What is NSN 4820-00-288-7568?

NSN 4820-00-288-7568 is a Valve,gate, manufactured by Manufacturers Standardization Society of the Valve and Fittings Industry Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-288-7568?

NSN 4820-00-288-7568 has 21 cross-referenced part numbers: 500-1 1-2 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), FIG B-105 SZ 1 1/2 IN (Stockham Valves and Fittings Inc), 2125-1 1-2 (Lunkenheimer Co), FP7233 (Canron Incplastics Div), 78133 (Aqua-Chem Inc Cleaver-Brooks Div) and 16 more.

What NSN replaces 4820-00-288-7568?

There are 12 known substitutes for 4820-00-288-7568: 5930-00-050-2699, 5910-00-115-3374, 5930-00-139-2412 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2/CL.125/SIZE 1-1/2 IN?

Key specifications for 2/CL.125/SIZE 1-1/2 IN: Bonnet Type: INSIDE SCREW; Pressure Class: ERR-060; Inlet Relationship with Outlet: IDENTICAL; Material: COPPER ALLOY 836 BODY. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-288-7568 still in active supply?

NSN 4820-00-288-7568 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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