PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C423-0-B2/C423-0-BREVA/882039310Valve,angle

Hunt Valve Company, Inc. · NSN 4820-00-146-0331 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-146-0331 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-146-0331. Primary manufacturer part number: C423-0-B2/C423-0-BREVA/882039310.
Features
  • Valve,angle — FSC 4820
  • Flow Control Device: DISK
  • Bonnet Attachment Method: BOLTED
  • Valve Operation Method: MANUAL
  • Connection Style: SOCKET ALL ENDS
  • Operating Pressure: 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Material: STEEL CORROSION RESISTING STEM
  • Bonnet Type: OUTSIDE SCREW-YOKE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Stem construction
General Description

The Valve,angle, cataloged under National Stock Number 4820-00-146-0331, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-146-0331
Primary Part NumberC423-0-B2/C423-0-BREVA/882039310
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHunt Valve Company, Inc.
StatusACTIVE
Flow Control DeviceDISK
Bonnet Attachment MethodBOLTED
Valve Operation MethodMANUAL
Connection StyleSOCKET ALL ENDS
Operating Pressure600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialSTEEL CORROSION RESISTING STEM
Bonnet TypeOUTSIDE SCREW-YOKE
Media for Which DesignedSTEAM SINGLE RESPONSE
Material Document and ClassificationA105,GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE BODY
Test Data Document81349-MIL-S-901 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.).
Nondefinitive Spec/std DataD COMPOSITION
MaterialSTEEL BODY
Features ProvidedBONNET PACKING
Maximum Operating Temp775.0 FAHRENHEIT SINGLE RESPONSE DEGF
Nominal Pipe Size Accommodated0.500 INCHES ALL ENDS IN
Style DesignatorANGLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4820-00-276-9006 INTERCHANGEABLE
Valve,cross
4820-00-276-9007 INTERCHANGEABLE
Valve,cross
4820-00-276-9010 INTERCHANGEABLE
Valve,cross
4820-00-276-9027 INTERCHANGEABLE
Valve,stop-Check
4820-00-276-9029 INTERCHANGEABLE
Valve,stop-Check
4820-00-276-9030 INTERCHANGEABLE
Valve,stop-Check
4820-00-276-9032 INTERCHANGEABLE
Valve,stop-Check
4820-00-276-9149 INTERCHANGEABLE
Valve,cross
Cross-Reference Index
Part NumberManufacturer
C423-0-B2 Hunt Valve Company, Inc. (USA)
5000S4824-1385512 Naval Ship Systems Command (USA)
C423-0-B2/C423-0-BREVA/882039310 PRIMARY Hunt Valve Company, Inc. (USA)
80681-00 Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
80000-01 PART 80681-00 Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
MILV22094 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4820-00-276-9006INTERCHANGEABLE
VALVE,CROSS
4820-00-276-9007INTERCHANGEABLE
VALVE,CROSS
4820-00-276-9010INTERCHANGEABLE
VALVE,CROSS
4820-00-276-9027INTERCHANGEABLE
VALVE,STOP-CHECK
4820-00-276-9029INTERCHANGEABLE
VALVE,STOP-CHECK
4820-00-276-9030INTERCHANGEABLE
VALVE,STOP-CHECK
4820-00-276-9032INTERCHANGEABLE
VALVE,STOP-CHECK
4820-00-276-9149INTERCHANGEABLE
VALVE,CROSS

Frequently Asked Questions

What is NSN 4820-00-146-0331?

NSN 4820-00-146-0331 is a Valve,angle, manufactured by Hunt Valve Company, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-146-0331?

NSN 4820-00-146-0331 has 6 cross-referenced part numbers: C423-0-B2 (Hunt Valve Company, Inc.), 5000S4824-1385512 (Naval Ship Systems Command), C423-0-B2/C423-0-BREVA/882039310 (Hunt Valve Company, Inc.), 80681-00 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 80000-01 PART 80681-00 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc) and 1 more.

What NSN replaces 4820-00-146-0331?

There are 8 known substitutes for 4820-00-146-0331: 4820-00-276-9006, 4820-00-276-9007, 4820-00-276-9010 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C423-0-B2/C423-0-BREVA/882039310?

Key specifications for C423-0-B2/C423-0-BREVA/882039310: Flow Control Device: DISK; Bonnet Attachment Method: BOLTED; Valve Operation Method: MANUAL; Connection Style: SOCKET ALL ENDS. 17 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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