PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

YSR30S5103-855302PC45Valve,angle

Naval Ship Systems Command · NSN 4820-00-273-8518 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-273-8518 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-273-8518. Primary manufacturer part number: YSR30S5103-855302PC45.
Features
  • Valve,angle — FSC 4820
  • Thread Direction: RIGHT-HAND ALL ENDS
  • Maximum Operating Temp: 550.0 FAHRENHEIT FIRST RESPONSE DEGF
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Bonnet Attachment Method: UNION
  • Flow Control Device: DISK
  • Thread Quantity Per Inch: 14 ALL ENDS
  • Nondefinitive Spec/std Data: 2 TYPE AND C CLASS AND 1 END AND 1/2 IN SIZE IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy 922 Overall construction
General Description

The Valve,angle, cataloged under National Stock Number 4820-00-273-8518, 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 22 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-273-8518
Primary Part NumberYSR30S5103-855302PC45
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusCANCELLED
Thread DirectionRIGHT-HAND ALL ENDS
Maximum Operating Temp550.0 FAHRENHEIT FIRST RESPONSE DEGF
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Bonnet Attachment MethodUNION
Flow Control DeviceDISK
Thread Quantity Per Inch14 ALL ENDS
Nondefinitive Spec/std Data2 TYPE AND C CLASS AND 1 END AND 1/2 IN SIZE IN
Operating Pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Nominal Thread Size0.500 INCHES ALL ENDS IN
Material Document and ClassificationQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Test Data Document81348-WW-V-51D 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.).
MaterialCOPPER ALLOY 922 OVERALL
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Bonnet TypeINSIDE SCREW
Maximum Operating Temp150.0 FAHRENHEIT SECOND RESPONSE DEGF
Style DesignatorANGLE
Thread Series DesignatorNPT ALL ENDS
Media for Which DesignedSTEAM FIRST RESPONSE
Valve Operation MethodMANUAL
Features ProvidedBONNET PACKING
Connection StylePLAIN,OPTIONAL END(PIPE) ALL ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
6625-00-005-1665214C INTERCHANGEABLE
Voltmeter
North Atlantic Industries, Inc. Dba North Atlantic Industries
4820-00-203-8242 INTERCHANGEABLE
Valve,angle
4820-00-276-8953 INTERCHANGEABLE
Valve,angle
4820-00-541-03751/CL. 300/SIZE 1/4 IN. INTERCHANGEABLE
Valve,angle
Manufacturers Standardization Society of the Valve and Fittings Industry Inc
6750-01-379-8544 INTERCHANGEABLE
Paper,photographic
4820-01-528-4068EDG-0503 INTERCHANGEABLE
Valve,check
Excell Technologies International Corporation Dba Exceltec
8465-01-615-430705-03 INTERCHANGEABLE
Sunglasses
Lane Sunglasses Inc
4820-01-721-7493214-C INTERCHANGEABLE
Valve,globe
Ingersoll-Rand Company Dba Ingersoll-Rand
Cross-Reference Index
Part NumberManufacturer
YSR30S5103-855302PC45 PRIMARY Naval Ship Systems Command (USA)
YSR30S5103-855302PC60 PRIMARY Naval Ship Systems Command (USA)
YSR27S5103-706240PC60 PRIMARY Naval Ship Systems Command (USA)
BDE1S5101-5ALT2PC45 PRIMARY Naval Ship Systems Command (USA)
YSR27S5103-706240PC45 PRIMARY Naval Ship Systems Command (USA)
6421B2PC60 Mount Vernon Bridge Co the
6385B2PC60 Mount Vernon Bridge Co the
C713FPC45 Ames Iron Works (USA)
13033CR70 Ames Iron Works (USA)
YSR17S5100-703108PC45 PRIMARY Naval Ship Systems Command (USA)
C713EPC45 Ames Iron Works (USA)
408 Lunkenheimer Co (USA)
WWV51 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
0503 Fairbanks Co the (USA)
214C Crane Co Div Valve Div (USA)
A1PC45 Ames Iron Works (USA)
C713EPC60 Ames Iron Works (USA)
65T United Brass Works, Inc. Dba United Brass Works (USA)
C371APC45 Ames Iron Works (USA)
C713FPC60 Ames Iron Works (USA)
Related Parts
6625-00-005-1665INTERCHANGEABLE
VOLTMETER
214C
4820-00-203-8242INTERCHANGEABLE
VALVE,ANGLE
4820-00-276-8953INTERCHANGEABLE
VALVE,ANGLE
4820-00-541-0375INTERCHANGEABLE
VALVE,ANGLE
1/CL. 300/SIZE 1/4 IN.
6750-01-379-8544INTERCHANGEABLE
PAPER,PHOTOGRAPHIC
4820-01-528-4068INTERCHANGEABLE
VALVE,CHECK
EDG-0503
8465-01-615-4307INTERCHANGEABLE
SUNGLASSES
05-03
4820-01-721-7493INTERCHANGEABLE
VALVE,GLOBE
214-C

Frequently Asked Questions

What is NSN 4820-00-273-8518?

NSN 4820-00-273-8518 is a Valve,angle, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-273-8518?

NSN 4820-00-273-8518 has 22 cross-referenced part numbers: YSR30S5103-855302PC45 (Naval Ship Systems Command), YSR30S5103-855302PC60 (Naval Ship Systems Command), YSR27S5103-706240PC60 (Naval Ship Systems Command), BDE1S5101-5ALT2PC45 (Naval Ship Systems Command), YSR27S5103-706240PC45 (Naval Ship Systems Command) and 17 more.

What NSN replaces 4820-00-273-8518?

There are 8 known substitutes for 4820-00-273-8518: 6625-00-005-1665, 4820-00-203-8242, 4820-00-276-8953 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of YSR30S5103-855302PC45?

Key specifications for YSR30S5103-855302PC45: Thread Direction: RIGHT-HAND ALL ENDS; Maximum Operating Temp: 550.0 FAHRENHEIT FIRST RESPONSE DEGF; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Bonnet Attachment Method: UNION. 23 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-273-8518 still in active supply?

NSN 4820-00-273-8518 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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