PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-20064Valve,angle

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4820-00-287-2598 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-287-2598 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-287-2598. Primary manufacturer part number: MIL-DTL-20064.
Features
  • Valve,angle — FSC 4820
  • Material: PLASTIC POLYAMIDE NYLON FLOW CONTROL DEVICE
  • Material: COPPER ALLOY 377 SEAT
  • Media for Which Designed: REFRIGERANT 12 FIRST RESPONSE
  • Connection Style: SOCKET (TUBE) ALL ENDS
  • Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS
  • Maximum Operating Temp: 275.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Material Document and Classification: QQ-B-626,ALLOY 377 FED SPEC SINGLE MATERIAL RESPONSE BODY
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Plastic Polyamide Nylon Flow Control Device construction
General Description

The Valve,angle, cataloged under National Stock Number 4820-00-287-2598, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 25 commercial cross-references from 7 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
NSN4820-00-287-2598
Primary Part NumberMIL-DTL-20064
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
MaterialPLASTIC POLYAMIDE NYLON FLOW CONTROL DEVICE
MaterialCOPPER ALLOY 377 SEAT
Media for Which DesignedREFRIGERANT 12 FIRST RESPONSE
Connection StyleSOCKET (TUBE) ALL ENDS
Connection TypeUNTHREADED INTERNAL TUBE ALL ENDS
Maximum Operating Temp275.0 FAHRENHEIT SINGLE RESPONSE DEGF
Material Document and ClassificationQQ-B-626,ALLOY 377 FED SPEC SINGLE MATERIAL RESPONSE BODY
Nondefinitive Spec/std Data3 TYPE AND 1 CLASS
MaterialCOPPER ALLOY 377 STEM
Bonnet Attachment MethodUNION
Bonnet TypeINSIDE SCREW
Material Document and ClassificationQQ-B-626,ALLOY 377 FED SPEC SINGLE MATERIAL RESPONSE SEAT
Media for Which DesignedREFRIGERANT 22 SECOND RESPONSE
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Material Document and ClassificationQQ-B-626,ALLOY 377 FED SPEC SINGLE MATERIAL RESPONSE STEM
Nominal Outside Diameter Tube Accommodated0.250 INCHES ALL ENDS IN
MaterialCOPPER ALLOY 377 BODY
Flow Control DeviceDISK
Valve Operation MethodMANUAL
Style DesignatorANGLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5910-00-116-10636471 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Viking Technologies, Ltd.
5305-00-217-91836471 INTERCHANGEABLE
Screw,machine
Unity Manufacturing Co
4820-00-277-1714 INTERCHANGEABLE
Valve,angle
5995-00-279-1321 INTERCHANGEABLE
Cable Assembly,power,electrical
1650-00-449-23466471 INTERCHANGEABLE
Plunger,detent
Huck International, Inc. Div Kingston Operations
5935-00-478-2721 INTERCHANGEABLE
Connector,plug,electrical
3930-00-481-51056471 INTERCHANGEABLE
Truck,aircraft Cargo Loading-Unl
Celtech Corporation Div Use CAGE 65552 for All Orders
5950-00-732-99716471 INTERCHANGEABLE
Transformer,power Autotransforme
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
3120-00-921-01266471 INTERCHANGEABLE
Bearing,sleeve
Michigan Dynamics Inc
4820-01-149-8521 INTERCHANGEABLE
Valve,angle
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-20064 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
6471N Henry Technologies, Inc. (USA)
6471 Parts Center (GBR)
BA6471 Johnson Controls Navy Systems, Llc (USA)
431742ITEM80 Johnson Controls Navy Systems, Llc (USA)
435699ITEM52 Johnson Controls Navy Systems, Llc (USA)
431777ITEM100 Johnson Controls Navy Systems, Llc (USA)
426L64130-M00 ITEM 55 Johnson Controls Ltd, York Navy Systems (GBR)
443530ITEM81 Johnson Controls Navy Systems, Llc (USA)
P204C Johnson Controls Navy Systems, Llc (USA)
MILV20064 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
6471 Henry Technologies, Inc. (USA)
443533ITEM81 Johnson Controls Navy Systems, Llc (USA)
268L63405-M00 Johnson Controls Ltd, York Navy Systems (GBR)
424045PC5 Johnson Controls Navy Systems, Llc (USA)
022-03689 Henry Technologies, Inc. (USA)
ASC1177072 Asc Pty Ltd (AUS)
435665ITEM81 Johnson Controls Navy Systems, Llc (USA)
431713ITEM80 Johnson Controls Navy Systems, Llc (USA)
435700ITEM73 Johnson Controls Navy Systems, Llc (USA)
Related Parts
5910-00-116-1063INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
6471
5305-00-217-9183INTERCHANGEABLE
SCREW,MACHINE
6471
4820-00-277-1714INTERCHANGEABLE
VALVE,ANGLE
5995-00-279-1321INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
1650-00-449-2346INTERCHANGEABLE
PLUNGER,DETENT
6471
5935-00-478-2721INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
3930-00-481-5105INTERCHANGEABLE
TRUCK,AIRCRAFT CARGO LOADING-UNL
6471
5950-00-732-9971INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
6471
3120-00-921-0126INTERCHANGEABLE
BEARING,SLEEVE
6471
4820-01-149-8521INTERCHANGEABLE
VALVE,ANGLE
5945-01-162-6362INTERCHANGEABLE
SOLENOID,ELECTRICAL
6471
5945-01-299-3679INTERCHANGEABLE
RELAY,ELECTROMAGNETIC

Frequently Asked Questions

What is NSN 4820-00-287-2598?

NSN 4820-00-287-2598 is a Valve,angle, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-287-2598?

NSN 4820-00-287-2598 has 25 cross-referenced part numbers: MIL-DTL-20064 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 6471N (Henry Technologies, Inc.), 6471 (Parts Center), BA6471 (Johnson Controls Navy Systems, Llc), 431742ITEM80 (Johnson Controls Navy Systems, Llc) and 20 more.

What NSN replaces 4820-00-287-2598?

There are 12 known substitutes for 4820-00-287-2598: 5910-00-116-1063, 5305-00-217-9183, 4820-00-277-1714 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-20064?

Key specifications for MIL-DTL-20064: Material: PLASTIC POLYAMIDE NYLON FLOW CONTROL DEVICE; Material: COPPER ALLOY 377 SEAT; Media for Which Designed: REFRIGERANT 12 FIRST RESPONSE; Connection Style: SOCKET (TUBE) ALL ENDS. 20 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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