PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

81551-001/2IN C1D882057658Valve,globe

Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc · NSN 4820-00-824-8650 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-824-8650 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-824-8650. Primary manufacturer part number: 81551-001/2IN C1D882057658.
Features
  • Valve,globe — FSC 4820
  • Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
  • Valve Operation Method: MANUAL
  • Bonnet Attachment Method: BOLTED
  • Bonnet Type: OUTSIDE SCREW-YOKE
  • Maximum Operating Temp: 975.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Nominal Pipe Size Accommodated: 0.500 INCHES ALL ENDS IN
  • Material Document and Classification: A182,GRADE F11 ASSN STD SINGLE MATERIAL RESPONSE BODY
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Cobalt Alloy Flow Control Device construction
General Description

The Valve,globe, cataloged under National Stock Number 4820-00-824-8650, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-824-8650
Primary Part Number81551-001/2IN C1D882057658
Item NameValve,globe
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMilwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
StatusCANCELLED
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Valve Operation MethodMANUAL
Bonnet Attachment MethodBOLTED
Bonnet TypeOUTSIDE SCREW-YOKE
Maximum Operating Temp975.0 FAHRENHEIT SINGLE RESPONSE DEGF
Nominal Pipe Size Accommodated0.500 INCHES ALL ENDS IN
Material Document and ClassificationA182,GRADE F11 ASSN STD SINGLE MATERIAL RESPONSE BODY
Features ProvidedBONNET PACKING
MaterialCOBALT ALLOY FLOW CONTROL DEVICE
MaterialSTEEL BODY
Flow Control DeviceDISK
MaterialCOBALT ALLOY SEAT
Connection StyleSOCKET ALL ENDS
Style DesignatorSTRAIGHT THRU
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE STEM
Nondefinitive Spec/std DataB COMPOSITION
Media for Which DesignedSTEAM SINGLE RESPONSE
Test Data Document81349-MIL-V-22094 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
MaterialSTEEL COMP 410 STEM
Operating Pressure1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
4820-00-181-9444807-6CID882057773 INTERCHANGEABLE
Valve,globe
Sfc Valve Corporation
4820-00-834-0613 INTERCHANGEABLE
Valve,globe
4820-00-834-468080651-01-1/4INC1D882057715 INTERCHANGEABLE
Valve,globe
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4820-00-967-10965500W 3/4 IN INTERCHANGEABLE
Valve,globe
Ashcroft Inc Dba Heise
Cross-Reference Index
Part NumberManufacturer
803-2177525 Naval Ship Systems Command (USA)
DB-20087CID882057764 Conbraco Industries Inc R-P and C Valve Div (USA)
81551-001/2IN C1D882057658 PRIMARY Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
W033074B05TS-33311-30H- PRIMARY Velan Valve Corp. (USA)
MILV22094 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
7150W Ashcroft Inc Dba Heise (USA)
5500W Ashcroft Inc Dba Heise (USA)
Related Parts
4820-00-181-9444INTERCHANGEABLE
VALVE,GLOBE
807-6CID882057773
4820-00-834-0613INTERCHANGEABLE
VALVE,GLOBE
4820-00-834-4680INTERCHANGEABLE
VALVE,GLOBE
80651-01-1/4INC1D882057715
4820-00-967-1096INTERCHANGEABLE
VALVE,GLOBE
5500W 3/4 IN

Frequently Asked Questions

What is NSN 4820-00-824-8650?

NSN 4820-00-824-8650 is a Valve,globe, 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 4820-00-824-8650?

NSN 4820-00-824-8650 has 7 cross-referenced part numbers: 803-2177525 (Naval Ship Systems Command), DB-20087CID882057764 (Conbraco Industries Inc R-P and C Valve Div), 81551-001/2IN C1D882057658 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), W033074B05TS-33311-30H- (Velan Valve Corp.), MILV22094 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 2 more.

What NSN replaces 4820-00-824-8650?

There are 4 known substitutes for 4820-00-824-8650: 4820-00-181-9444, 4820-00-834-0613, 4820-00-834-4680 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 81551-001/2IN C1D882057658?

Key specifications for 81551-001/2IN C1D882057658: Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Valve Operation Method: MANUAL; Bonnet Attachment Method: BOLTED; Bonnet Type: OUTSIDE SCREW-YOKE. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-824-8650 still in active supply?

NSN 4820-00-824-8650 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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