PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DE51S4700-2ALT6PC419Cock,plug

Naval Ship Systems Command · NSN 4820-00-288-8602 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-288-8602 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-288-8602. Primary manufacturer part number: DE51S4700-2ALT6PC419.
Features
  • Cock,plug — FSC 4820
  • Thread Series Designator: NPT ALL ENDS
  • Media for Which Designed: STEAM SINGLE RESPONSE
  • Maximum Operating Temp: 355.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Valve Operation Method: MANUAL
  • Thread Direction: RIGHT-HAND ALL ENDS
  • Features Provided: NONADJUSTABLE ROTATION
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Cock,plug, cataloged under National Stock Number 4820-00-288-8602, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 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
NSN4820-00-288-8602
Primary Part NumberDE51S4700-2ALT6PC419
Item NameCock,plug
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusCANCELLED
Thread Series DesignatorNPT ALL ENDS
Media for Which DesignedSTEAM SINGLE RESPONSE
Maximum Operating Temp355.0 FAHRENHEIT SINGLE RESPONSE DEGF
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Valve Operation MethodMANUAL
Thread DirectionRIGHT-HAND ALL ENDS
Features ProvidedNONADJUSTABLE ROTATION
Flow StyleFOUR-WAY FOUR PORT 90 DEGREE PLUG TURN
Connection StylePLAIN, OPTIONAL END (PIPE) ALL ENDS
Nominal Thread Size0.750 INCHES ALL ENDS IN
Operating Pressure125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialCOPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
4820-00-289-0885155-3/4IN INTERCHANGEABLE
Valve,safety Relief
Jayco Incorporated
5310-00-432-217626934 INTERCHANGEABLE
Nut,elevating Cylinder,elevating
Cadillac Gage Textron Inc.
5315-00-616-5515103904 INTERCHANGEABLE
Key,woodruff
Rolls-Royce Solutions America Inc
1680-00-790-2760205218 INTERCHANGEABLE
Parts Kit,coupling
Products Support, Llc Dba Vitesse Systems - Jessup, Md
4820-00-902-4942 INTERCHANGEABLE
Valve,check
5920-01-259-6142205218 INTERCHANGEABLE
Fuse,cartridge
Gruenberg Oven Company
4720-01-595-5140205218 INTERCHANGEABLE
Hose Assembly Set,metallic
G R Mfg
6130-01-600-415973910 INTERCHANGEABLE
Charger,battery
Welch Allyn, Inc.
Cross-Reference Index
Part NumberManufacturer
217481PC121 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
DE51S4700-2ALT6PC419 PRIMARY Naval Ship Systems Command (USA)
W254NTM87X5PC14 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
BB61S47-86ALT2PC121 PRIMARY Naval Ship Systems Command (USA)
W254RTM86X5PC15 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
215187PC121 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
CVE105S4700-245039PC121 PRIMARY Naval Ship Systems Command (USA)
DD445S4700-96ALT1PC121 PRIMARY Naval Ship Systems Command (USA)
W254RTM86X4APC15 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
215561PC121 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
W254RTM86X5PC15 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
IR01-8639-419 Ingersoll Rand Co (USA)
215552PC121 Ingersoll Rand Co (USA)
W254NTM87X2BPC14 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
215178PC121 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
155-3/4IN Lunkenheimer Co (USA)
W254RTM86X8PC15 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
BB61S47-86ALT2PC121 PRIMARY Naval Sea Systems Command (USA)
DE51S4700-2ALT6PC419 PRIMARY Naval Sea Systems Command (USA)
DW122 Pullman Standard a Div of Pullman Inc (USA)
Related Parts
4820-00-289-0885INTERCHANGEABLE
VALVE,SAFETY RELIEF
155-3/4IN
5310-00-432-2176INTERCHANGEABLE
NUT,ELEVATING CYLINDER,ELEVATING
26934
5315-00-616-5515INTERCHANGEABLE
KEY,WOODRUFF
103904
1680-00-790-2760INTERCHANGEABLE
PARTS KIT,COUPLING
205218
4820-00-902-4942INTERCHANGEABLE
VALVE,CHECK
5920-01-259-6142INTERCHANGEABLE
FUSE,CARTRIDGE
205218
4720-01-595-5140INTERCHANGEABLE
HOSE ASSEMBLY SET,METALLIC
205218
6130-01-600-4159INTERCHANGEABLE
CHARGER,BATTERY
73910

Frequently Asked Questions

What is NSN 4820-00-288-8602?

NSN 4820-00-288-8602 is a Cock,plug, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-288-8602?

NSN 4820-00-288-8602 has 50 cross-referenced part numbers: 217481PC121 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), DE51S4700-2ALT6PC419 (Naval Ship Systems Command), W254NTM87X5PC14 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), BB61S47-86ALT2PC121 (Naval Ship Systems Command), W254RTM86X5PC15 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging) and 45 more.

What NSN replaces 4820-00-288-8602?

There are 8 known substitutes for 4820-00-288-8602: 4820-00-289-0885, 5310-00-432-2176, 5315-00-616-5515 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of DE51S4700-2ALT6PC419?

Key specifications for DE51S4700-2ALT6PC419: Thread Series Designator: NPT ALL ENDS; Media for Which Designed: STEAM SINGLE RESPONSE; Maximum Operating Temp: 355.0 FAHRENHEIT SINGLE RESPONSE DEGF; Connection Type: THREADED INTERNAL PIPE ALL ENDS. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-288-8602 still in active supply?

NSN 4820-00-288-8602 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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