PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

438-417PCV1Valve,angle

Portsmouth Naval Shipyard · NSN 4820-00-473-4617 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-473-4617 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-473-4617. Primary manufacturer part number: 438-417PCV1.
Features
  • Valve,angle — FSC 4820
  • Thread Direction: RIGHT-HAND FIRST END
  • Thread Quantity Per Inch: 18 FIRST END
  • Nominal Pipe Size Accommodated: 0.250 INCHES FIRST END IN
  • Thread Series Designator: NPT SECOND END
  • Flow Control Device: NEEDLE
  • Material: COPPER ALLOY SEAT
  • Thread Direction: RIGHT-HAND SECOND END
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Seat construction
General Description

The Valve,angle, cataloged under National Stock Number 4820-00-473-4617, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Portsmouth Naval Shipyard. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-473-4617
Primary Part Number438-417PCV1
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerPortsmouth Naval Shipyard
StatusACTIVE
Thread DirectionRIGHT-HAND FIRST END
Thread Quantity Per Inch18 FIRST END
Nominal Pipe Size Accommodated0.250 INCHES FIRST END IN
Thread Series DesignatorNPT SECOND END
Flow Control DeviceNEEDLE
MaterialCOPPER ALLOY SEAT
Thread DirectionRIGHT-HAND SECOND END
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Nominal Thread Size0.250 INCHES FIRST END IN
Thread Series DesignatorNPT FIRST END
Valve Operation MethodMANUAL
Bonnet TypePACKING RETAINING
Connection TypeTHREADED INTERNAL PIPE SECOND END
MaterialNICKEL ALLOY FLOW CONTROL DEVICE
Nominal Thread Size0.125 INCHES SECOND END IN
Nominal Pipe Size Accommodated0.125 INCHES SECOND END IN
Style DesignatorANGLE
MaterialCOPPER ALLOY BODY
Connection StylePLAIN (PIPE) FIRST END
Thread Quantity Per Inch27 SECOND END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Cross-Reference Index
Part NumberManufacturer
438-417PCV1 PRIMARY Portsmouth Naval Shipyard (USA)
559M5082PCD3 Cramp Shipbuilding and Drydock Co (USA)
784-417PCC4 PRIMARY Portsmouth Naval Shipyard (USA)
2361-487ITEM48 PRIMARY Portsmouth Naval Shipyard (USA)
2200-56PCA3 Manitowoc Shipbuilding Inc (USA)
S879PCA2A3B3 PRIMARY Portsmouth Naval Shipyard (USA)
2479-29WPC03 Manitowoc Shipbuilding Inc (USA)
768-277PCJ3 PRIMARY Portsmouth Naval Shipyard (USA)
5134-381PC40T042 PRIMARY Portsmouth Naval Shipyard (USA)
2400-32WPCA3 Manitowoc Shipbuilding Inc (USA)
2279-10WPCF3 Manitowoc Shipbuilding Inc (USA)
2479-12PCF3 Manitowoc Shipbuilding Inc (USA)
779-201PCF3 PRIMARY Portsmouth Naval Shipyard (USA)
818-417PC03 PRIMARY Portsmouth Naval Shipyard (USA)
2279-31WPCJ4 Manitowoc Shipbuilding Inc (USA)
825-417PCV1 PRIMARY Portsmouth Naval Shipyard (USA)
777-417PCN3 PRIMARY Portsmouth Naval Shipyard (USA)
2479-26WPC03 Manitowoc Shipbuilding Inc (USA)
547-59P279PCF3 Cramp Shipbuilding and Drydock Co (USA)
547-59P269PCP3 Cramp Shipbuilding and Drydock Co (USA)
Related Parts in Valves
4820-00-000-0097
NO ITEM NAME AVAILABLE
4820-00-001-0010
VALVE,ROTARY,SELECTOR
8171E-1/4HS2
4820-00-001-0020
NO ITEM NAME AVAILABLE
4820-00-001-0021
NO ITEM NAME AVAILABLE
4820-00-001-0032
NO ITEM NAME AVAILABLE
4820-00-001-0037
VALVE,SAFETY RELIEF
D559A3M2
4820-00-001-0042
NO ITEM NAME AVAILABLE
4820-00-001-1230
NO ITEM NAME AVAILABLE

Frequently Asked Questions

What is NSN 4820-00-473-4617?

NSN 4820-00-473-4617 is a Valve,angle, manufactured by Portsmouth Naval Shipyard, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-473-4617?

NSN 4820-00-473-4617 has 50 cross-referenced part numbers: 438-417PCV1 (Portsmouth Naval Shipyard), 559M5082PCD3 (Cramp Shipbuilding and Drydock Co), 784-417PCC4 (Portsmouth Naval Shipyard), 2361-487ITEM48 (Portsmouth Naval Shipyard), 2200-56PCA3 (Manitowoc Shipbuilding Inc) and 45 more.

What are the specifications of 438-417PCV1?

Key specifications for 438-417PCV1: Thread Direction: RIGHT-HAND FIRST END; Thread Quantity Per Inch: 18 FIRST END; Nominal Pipe Size Accommodated: 0.250 INCHES FIRST END IN; Thread Series Designator: NPT SECOND END. 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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