PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

401341ITEM89Valve,angle

Johnson Controls Navy Systems, Llc · NSN 4820-00-446-3237 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-446-3237 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-446-3237. Primary manufacturer part number: 401341ITEM89.
Features
  • Valve,angle — FSC 4820
  • Connection Style: SOCKET (TUBE) FIRST ENDSOCKET (TUBE) FIRST END
  • Connection Type: UNTHREADED INTERNAL TUBE FIRST ENDUNTHREADED INTERNAL TUBE FIRST END
  • Bonnet Type: INSIDE SCREWINSIDE SCREW
  • Thread Direction: RIGHT-HAND SECOND ENDRIGHT-HAND SECOND END
  • Furnished Items and Quantity: 1 CAP AND 1 CHAIN
  • Style Designator: ANGLE
  • Thread Class: 2A ALL ENDS2A ALL ENDS A
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Overall construction
General Description

The Valve,angle, cataloged under National Stock Number 4820-00-446-3237, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Johnson Controls Navy Systems, Llc. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-446-3237
Primary Part Number401341ITEM89
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerJohnson Controls Navy Systems, Llc
StatusACTIVE
Connection StyleSOCKET (TUBE) FIRST ENDSOCKET (TUBE) FIRST END
Connection TypeUNTHREADED INTERNAL TUBE FIRST ENDUNTHREADED INTERNAL TUBE FIRST END
Bonnet TypeINSIDE SCREWINSIDE SCREW
Thread DirectionRIGHT-HAND SECOND ENDRIGHT-HAND SECOND END
Furnished Items and Quantity1 CAP AND 1 CHAIN
Style DesignatorANGLE
Thread Class2A ALL ENDS2A ALL ENDS A
Nominal Outside Diameter Tube Accommodated0.250 INCHES SECOND END0.250 INCHES FIRST END IN
Thread Series DesignatorUNF SECOND END
Seat Angle45.0 DEGREES SECOND END
Nominal Thread Size0.438 INCHES SECOND END0.438 INCHES SECOND END IN
Valve Operation MethodMANUALMANUAL
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Outside Diameter Tube Accommodated0.250 INCHES SECOND END IN
Media for Which DesignedREFRIGERANT 22 SECOND RESPONSEREFRIGERANT 12 FIRST RESPONSE
Flow Control DeviceDISKDISK
Connection StyleFLARED (TUBE) SECOND ENDFLARED (TUBE) SECOND END
Connection TypeTHREADED EXTERNAL TUBE SECOND ENDTHREADED EXTERNAL TUBE SECOND END
Media for Which DesignedREFRIGERANT 22 SECOND RESPONSE
Bonnet Attachment MethodTHREADEDTHREADED
MaterialCOPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6680-00-085-7589643-1 INTERCHANGEABLE
Indicator,flow
Ametek Inc Schutte and Koerting Div
5950-00-137-4728990-016-91 INTERCHANGEABLE
Transformer,electri
Ametek Programmable Power, Inc.
3110-00-156-5451018-7804 INTERCHANGEABLE
Bearing,ball,annular
Marathon Le Tourneau Co
5310-00-209-1521 INTERCHANGEABLE
Washer,lock
5970-00-215-38941069981 INTERCHANGEABLE
Insulator,field Con
Chrysler Realty Company Llc Dba Daimler Chrysler
6130-00-235-1000SM-D-96985 INTERCHANGEABLE
Vibrator,interrupter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5945-00-349-7028643-1 INTERCHANGEABLE
Relay,solid State
Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/
5950-00-583-452210-60030-2 INTERCHANGEABLE
Transformer,power Autotransforme
The Boeing Company Div Defense
4820-00-662-883964-31 INTERCHANGEABLE
Seat,valve
Dresser Industries Inc Leroi Div
5930-00-904-67246431-2-100 INTERCHANGEABLE
Switch,pressure
Horizon Aerospace Llc Dba Transicoil
Cross-Reference Index
Part NumberManufacturer
401341ITEM89 PRIMARY Johnson Controls Navy Systems, Llc (USA)
P215E Henry Technologies, Inc. (USA)
BB55S59-0241ITEM49 Naval Ship Systems Command (USA)
R33402ITEM49 PRIMARY Frick Co (USA)
MIL-DTL-20064 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILV20064 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
6431N Henry Technologies, Inc. (USA)
BB55S59-0241ITEM49 PRIMARY Naval Sea Systems Command (USA)
BA6431 Henry Technologies, Inc. (USA)
6431 Henry Technologies, Inc. (USA)
AM57S59-120ALT1PC74 Naval Ship Systems Command (USA)
AM57S59-120ALT1PC74 PRIMARY Naval Sea Systems Command (USA)
Related Parts
6680-00-085-7589INTERCHANGEABLE
INDICATOR,FLOW
643-1
5950-00-137-4728INTERCHANGEABLE
TRANSFORMER,ELECTRI
990-016-91
3110-00-156-5451INTERCHANGEABLE
BEARING,BALL,ANNULAR
018-7804
5310-00-209-1521INTERCHANGEABLE
WASHER,LOCK
5970-00-215-3894INTERCHANGEABLE
INSULATOR,FIELD CON
1069981
6130-00-235-1000INTERCHANGEABLE
VIBRATOR,INTERRUPTER
SM-D-96985
5945-00-349-7028INTERCHANGEABLE
RELAY,SOLID STATE
643-1
5950-00-583-4522INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
10-60030-2
4820-00-662-8839INTERCHANGEABLE
SEAT,VALVE
64-31
5930-00-904-6724INTERCHANGEABLE
SWITCH,PRESSURE
6431-2-100
6640-01-051-4944INTERCHANGEABLE
TEST TUBE,BLOOD COLLECTING
6431
5935-01-296-8745INTERCHANGEABLE
CONNECTOR BODY,PLUG,ELECTRICAL
6431

Frequently Asked Questions

What is NSN 4820-00-446-3237?

NSN 4820-00-446-3237 is a Valve,angle, manufactured by Johnson Controls Navy Systems, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-446-3237?

NSN 4820-00-446-3237 has 12 cross-referenced part numbers: 401341ITEM89 (Johnson Controls Navy Systems, Llc), P215E (Henry Technologies, Inc.), BB55S59-0241ITEM49 (Naval Ship Systems Command), R33402ITEM49 (Frick Co), MIL-DTL-20064 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 7 more.

What NSN replaces 4820-00-446-3237?

There are 12 known substitutes for 4820-00-446-3237: 6680-00-085-7589, 5950-00-137-4728, 3110-00-156-5451 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 401341ITEM89?

Key specifications for 401341ITEM89: Connection Style: SOCKET (TUBE) FIRST ENDSOCKET (TUBE) FIRST END; Connection Type: UNTHREADED INTERNAL TUBE FIRST ENDUNTHREADED INTERNAL TUBE FIRST END; Bonnet Type: INSIDE SCREWINSIDE SCREW; Thread Direction: RIGHT-HAND SECOND ENDRIGHT-HAND SECOND END. 21 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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