PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AR5S49-022PC10Valve,safety Relief

Naval Ship Systems Command · NSN 4820-00-446-3562 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-446-3562 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-446-3562. Primary manufacturer part number: AR5S49-022PC10.
Features
  • Valve,safety Relief — FSC 4820
  • Material: COPPER ALLOY STEM
  • Disk Loading Method: SPRING
  • Media for Which Designed: GAS, INERT SECOND RESPONSE
  • Connection Style: PLAIN (PIPE) FIRST END
  • Bonnet Type: INSIDE SPRING
  • Media for Which Designed: AIR FIRST RESPONSE
  • Operating Pressure: 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Stem construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-00-446-3562, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 20 commercial cross-references from 5 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
NSN4820-00-446-3562
Primary Part NumberAR5S49-022PC10
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
MaterialCOPPER ALLOY STEM
Disk Loading MethodSPRING
Media for Which DesignedGAS, INERT SECOND RESPONSE
Connection StylePLAIN (PIPE) FIRST END
Bonnet TypeINSIDE SPRING
Media for Which DesignedAIR FIRST RESPONSE
Operating Pressure250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Style DesignatorSTRAIGHT THRU
MaterialCOPPER ALLOY BODY
Thread DirectionRIGHT-HAND FIRST END
Nominal Thread Size0.375 INCHES FIRST END IN
MaterialCOPPER ALLOY FLOW CONTROL DEVICE
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Valve Operation MethodAUTOMATIC
Thread Quantity Per Inch18 FIRST END
Thread Series DesignatorNPT FIRST END
Bonnet Attachment MethodTHREADED
Flow Control DeviceDISK
MaterialCOPPER ALLOY SEAT
Adjustable Pressure Range+76.0 TO 175.0 POUNDS PER SQUARE INCH LBS
Nominal Pipe Size Accommodated0.375 INCHES FIRST END IN
Maximum Operating Temp300.0 FAHRENHEIT SINGLE RESPONSE DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6130-00-255-4196 INTERCHANGEABLE
Rectifier,metallic
6130-00-256-3168 INTERCHANGEABLE
Rectifier,metallic
4730-00-265-1935TD52 1-2 INTERCHANGEABLE
Trap,steam
Spirax Sarco Inc Dba Spirax Sarco
5120-00-277-2323 INTERCHANGEABLE
Wrench,open End
3460-00-295-3451 INTERCHANGEABLE
Vise,bench and Machine Table
5640-00-298-341339A INTERCHANGEABLE
Weather Strip
Zero International Inc
5935-00-311-264260B INTERCHANGEABLE
Adapter,connector
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
6520-00-538-925060FC-TS INTERCHANGEABLE
Grinding and Polishing Machine,d
Handler Manufacturing Company Inc
5340-00-565-3463 INTERCHANGEABLE
Handle,bow
4920-00-601-120060B INTERCHANGEABLE
Adapter,quick Chang
Grover Smith Mfg Corp Dba Grover Manufacturing Corp
Cross-Reference Index
Part NumberManufacturer
60B Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
107772PC10 Siemens Energy, Inc. Dba Dresser-Rand (USA)
114972PC10 Siemens Energy, Inc. Dba Dresser-Rand (USA)
107672PC10 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
AR5S49-022PC10 PRIMARY Naval Ship Systems Command (USA)
CL40S49-025PC10 PRIMARY Naval Ship Systems Command (USA)
114972PC10 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
341N Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
107672PC10 Siemens Energy, Inc. Dba Dresser-Rand (USA)
39-A PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
107772PC10 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
114972PC10 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
90022PC10 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
60B Siemens Energy, Inc. Dba Dresser-Rand (USA)
60B Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
A022S49-044PC10 PRIMARY Naval Ship Systems Command (USA)
341N Siemens Energy, Inc. Dba Dresser-Rand (USA)
341N Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
107772PC10 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
107672PC10 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
Related Parts
6130-00-255-4196INTERCHANGEABLE
RECTIFIER,METALLIC
6130-00-256-3168INTERCHANGEABLE
RECTIFIER,METALLIC
4730-00-265-1935INTERCHANGEABLE
TRAP,STEAM
TD52 1-2
5120-00-277-2323INTERCHANGEABLE
WRENCH,OPEN END
3460-00-295-3451INTERCHANGEABLE
VISE,BENCH AND MACHINE TABLE
5640-00-298-3413INTERCHANGEABLE
WEATHER STRIP
39A
5935-00-311-2642INTERCHANGEABLE
ADAPTER,CONNECTOR
60B
6520-00-538-9250INTERCHANGEABLE
GRINDING AND POLISHING MACHINE,D
60FC-TS
5340-00-565-3463INTERCHANGEABLE
HANDLE,BOW
4920-00-601-1200INTERCHANGEABLE
ADAPTER,QUICK CHANG
60B
4510-01-079-5796INTERCHANGEABLE
VALVE,FLUSH
7310-01-312-0051INTERCHANGEABLE
POPCORN MACHINE
39-A

Frequently Asked Questions

What is NSN 4820-00-446-3562?

NSN 4820-00-446-3562 is a Valve,safety Relief, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-446-3562?

NSN 4820-00-446-3562 has 20 cross-referenced part numbers: 60B (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), 107772PC10 (Siemens Energy, Inc. Dba Dresser-Rand), 114972PC10 (Siemens Energy, Inc. Dba Dresser-Rand), 107672PC10 (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), AR5S49-022PC10 (Naval Ship Systems Command) and 15 more.

What NSN replaces 4820-00-446-3562?

There are 12 known substitutes for 4820-00-446-3562: 6130-00-255-4196, 6130-00-256-3168, 4730-00-265-1935 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AR5S49-022PC10?

Key specifications for AR5S49-022PC10: Material: COPPER ALLOY STEM; Disk Loading Method: SPRING; Media for Which Designed: GAS, INERT SECOND RESPONSE; Connection Style: PLAIN (PIPE) FIRST END. 22 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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