PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1124000400Valve,check

Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc · NSN 4820-00-202-7642 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-202-7642 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-202-7642. Primary manufacturer part number: 1124000400.
Features
  • Valve,check — FSC 4820
  • Renewable Seat Ring Type: THREADED
  • Face to Face Distance: 11.500 INCHES IN
  • Flange Face Design: PLAIN ALL ENDS
  • Flange Shape: ROUND WITH HOLES ALL ENDS
  • Material Document and Classification: ASTMFEB000 ASSN STD SINGLE MATERIAL RESPONSE BODY
  • Connection Type: FLANGE ALL ENDS
  • Maximum Operating Temp: 150.0 FAHRENHEIT SECOND RESPONSE DEGF
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy 922 Seat construction
General Description

The Valve,check, cataloged under National Stock Number 4820-00-202-7642, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-202-7642
Primary Part Number1124000400
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMilwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
StatusCANCELLED
Renewable Seat Ring TypeTHREADED
Face to Face Distance11.500 INCHES IN
Flange Face DesignPLAIN ALL ENDS
Flange ShapeROUND WITH HOLES ALL ENDS
Material Document and ClassificationASTMFEB000 ASSN STD SINGLE MATERIAL RESPONSE BODY
Connection TypeFLANGE ALL ENDS
Maximum Operating Temp150.0 FAHRENHEIT SECOND RESPONSE DEGF
Nominal Thickness0.938 INCHES ALL ENDS IN
MaterialCOPPER ALLOY 922 SEAT
Style DesignatorSTRAIGHT THRU FLANGED ENDS
Operating Pressure125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Bolt Hole Nominal Diameter0.750 INCHES ALL ENDS IN
Nominal Thickness0.938 INCHES ALL ENDS IN
Flange Face DesignPLAIN ALL ENDS
Operating Pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
MaterialCOPPER ALLOY 922 FLOW CONTROL DEVICE
MaterialCOPPER ALLOY 922 SEAT
Media for Which DesignedSTEAM FIRST RESPONSE
Face to Face Distance11.500 INCHES IN
Bolt Circle Nominal Diameter7.500 INCHES ALL ENDS IN
Nominal Outside Diameter9.000 INCHES ALL ENDS IN
Material Document and ClassificationASTMFEB000 ASSN STD SINGLE MATERIAL RESPONSE BODY
Valve Size4.000 INCHES IN
Bolt Circle Nominal Diameter7.500 INCHES ALL ENDS IN
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
MaterialIRON CAST UNS F12102 BODY
Bolt Hole Quantity8 ALL ENDS
Valve Operation MethodMANUAL
Maximum Operating Temp450.0 FAHRENHEIT FIRST RESPONSE DEGF
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5330-00-038-89003734 INTERCHANGEABLE
Gasket
Eaton Corporation Div Fed
5935-00-059-30401048712-4-4 INTERCHANGEABLE
Jack,tip
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
5331-00-248-31773734 INTERCHANGEABLE
O-Ring
Husco International Inc
5930-00-504-6087 INTERCHANGEABLE
Switch,toggle
5950-00-683-37951806808 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5905-00-837-2770 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
4820-00-949-751937 3-4 INTERCHANGEABLE
Valve,check
Crane Co Div Valve Div
6625-01-103-4367D-03734-000 INTERCHANGEABLE
Pickup-Vibration
Balance Technology Inc Dba Lannen Investment Co
4820-01-124-823637-3/4 INTERCHANGEABLE
Valve,check
Crane Co Div Valve Div
6515-01-383-78960037340 INTERCHANGEABLE
Catheter,urethral
Bard C R Inc Bard Urological Div
Cross-Reference Index
Part NumberManufacturer
1124000400 PRIMARY Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
289-213L Crest Electronics Inc (USA)
F918B4 Nibco Inc (USA)
373-4 Crane Co Div Valve Div (USA)
Related Parts
5330-00-038-8900INTERCHANGEABLE
GASKET
3734
5935-00-059-3040INTERCHANGEABLE
JACK,TIP
1048712-4-4
5331-00-248-3177INTERCHANGEABLE
O-RING
3734
5930-00-504-6087INTERCHANGEABLE
SWITCH,TOGGLE
5950-00-683-3795INTERCHANGEABLE
TRANSFORMER,POWER
1806808
5905-00-837-2770INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
4820-00-949-7519INTERCHANGEABLE
VALVE,CHECK
37 3-4
6625-01-103-4367INTERCHANGEABLE
PICKUP-VIBRATION
D-03734-000
4820-01-124-8236INTERCHANGEABLE
VALVE,CHECK
37-3/4
6515-01-383-7896INTERCHANGEABLE
CATHETER,URETHRAL
0037340

Frequently Asked Questions

What is NSN 4820-00-202-7642?

NSN 4820-00-202-7642 is a Valve,check, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-202-7642?

NSN 4820-00-202-7642 has 4 cross-referenced part numbers: 1124000400 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 289-213L (Crest Electronics Inc), F918B4 (Nibco Inc), 373-4 (Crane Co Div Valve Div).

What NSN replaces 4820-00-202-7642?

There are 10 known substitutes for 4820-00-202-7642: 5330-00-038-8900, 5935-00-059-3040, 5331-00-248-3177 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1124000400?

Key specifications for 1124000400: Renewable Seat Ring Type: THREADED; Face to Face Distance: 11.500 INCHES IN; Flange Face Design: PLAIN ALL ENDS; Flange Shape: ROUND WITH HOLES ALL ENDS. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-202-7642 still in active supply?

NSN 4820-00-202-7642 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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