PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S5101-879248PC51Valve,gate

Naval Sea Systems Command · NSN 4820-00-288-7175 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-288-7175 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-288-7175. Primary manufacturer part number: S5101-879248PC51.
Features
  • Valve,gate — FSC 4820
  • Bonnet Type: INSIDE SCREW
  • Nominal Thread Size: 1.000 INCHES IN
  • Connection Type: THREADED EXTERNAL PIPE
  • Maximum Operating Temp and Media for Which Designed: 550.0 FAHRENHEIT STEAM AND 150.0 FAHRENHEIT WATER-OIL-GAS DEGF
  • Stem Type: RISING
  • Material: COPPER ALLOY BODY
  • Inlet Relationship with Outlet: IDENTICAL
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,gate, cataloged under National Stock Number 4820-00-288-7175, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 42 commercial cross-references from 10 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
NSN4820-00-288-7175
Primary Part NumberS5101-879248PC51
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusCANCELLED
Bonnet TypeINSIDE SCREW
Nominal Thread Size1.000 INCHES IN
Connection TypeTHREADED EXTERNAL PIPE
Maximum Operating Temp and Media for Which Designed550.0 FAHRENHEIT STEAM AND 150.0 FAHRENHEIT WATER-OIL-GAS DEGF
Stem TypeRISING
MaterialCOPPER ALLOY BODY
Inlet Relationship with OutletIDENTICAL
Material Document and ClassificationASTMCUB000 ASSN STD SINGLE MATERIAL RESPONSE BODY
Thread Series DesignatorNPT
Operating Pressure and Type300.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 1000.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Features ProvidedBONNET PACKING
Valve Size1.000 INCHES IN
Valve Operation MethodMANUAL
MaterialCOPPER ALLOY STEM
MaterialCOPPER ALLOY SEAT
Material Document and ClassificationASTMCUB000 ASSN STD SINGLE MATERIAL RESPONSE STEM
MaterialNICKEL ALLOY DISK
Material Document and ClassificationASTMNLB000 ASSN STD SINGLE MATERIAL RESPONSE DISK
Material Document and ClassificationASTMCUB000 ASSN STD SINGLE MATERIAL RESPONSE SEAT
Bonnet Attachment MethodUNION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
6625-00-071-0030 INTERCHANGEABLE
Band,temporary,b
5330-00-076-40747781 INTERCHANGEABLE
Seal
Del Mar Avionics, Llc
5120-00-288-77815120-00-288-7781 INTERCHANGEABLE
Alignment Tool,electronic Equipm
General Services Administration Federal Supply Service
8305-01-163-1882ASTMD4029-81 INTERCHANGEABLE
Cloth,satin
American Society for Testing and Materials Dba Astm International
5305-01-186-10877781 INTERCHANGEABLE
Screw
Eaton Aerospace, Llc Dba Jackson South
3130-01-339-8253S34549-214-06-5 INTERCHANGEABLE
Liner,bearing Housing
Trelleborg Sealing Solutions Us, Inc.
6515-01-471-8328134046 INTERCHANGEABLE
Forceps,hemostatic Clip
Jackson Jordan Inc
8305-01-560-65157781 INTERCHANGEABLE
Cloth,nonwoven
Hexcel Schwebel
Cross-Reference Index
Part NumberManufacturer
Y0171S5100-455474PC51 Naval Ship Systems Command (USA)
S5100-403779ITEM51 Naval Ship Systems Command (USA)
1184-1IN. Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
E2554PC51 Clayton Manufacturing Company (USA)
S5101-879248PC51 PRIMARY Naval Sea Systems Command (USA)
S5101-672662ITEM51 Naval Ship Systems Command (USA)
AT67S5100-395632ITEM51 Naval Ship Systems Command (USA)
AT67S5100-395632ITEM51 PRIMARY Naval Sea Systems Command (USA)
S5101-879251PC51 Naval Ship Systems Command (USA)
E1914ITEM51 Clayton Manufacturing Company (USA)
517-1IN PRIMARY Kennedy Valve Div of Itt Grinnell Valve Co Inc (USA)
S5101-875880PC51 Naval Ship Systems Command (USA)
AT67S5100-395633PC51 Naval Ship Systems Command (USA)
S5100-403779ITEM51 PRIMARY Naval Sea Systems Command (USA)
S5101-879251PC51 PRIMARY Naval Sea Systems Command (USA)
E1914ITEM52 Clayton Manufacturing Company (USA)
622E1 PRIMARY Crane Co Div Valve Div (USA)
S5101-672662ITEM45 PRIMARY Naval Sea Systems Command (USA)
S5101-672662ITEM52 PRIMARY Naval Sea Systems Command (USA)
S5101-672662ITEM52 Naval Ship Systems Command (USA)
Related Parts
6625-00-071-0030INTERCHANGEABLE
BAND,TEMPORARY,B
5330-00-076-4074INTERCHANGEABLE
SEAL
7781
5120-00-288-7781INTERCHANGEABLE
ALIGNMENT TOOL,ELECTRONIC EQUIPM
5120-00-288-7781
8305-01-163-1882INTERCHANGEABLE
CLOTH,SATIN
ASTMD4029-81
5305-01-186-1087INTERCHANGEABLE
SCREW
7781
3130-01-339-8253INTERCHANGEABLE
LINER,BEARING HOUSING
S34549-214-06-5
6515-01-471-8328INTERCHANGEABLE
FORCEPS,HEMOSTATIC CLIP
134046
8305-01-560-6515INTERCHANGEABLE
CLOTH,NONWOVEN
7781

Frequently Asked Questions

What is NSN 4820-00-288-7175?

NSN 4820-00-288-7175 is a Valve,gate, manufactured by Naval Sea Systems Command, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-288-7175?

NSN 4820-00-288-7175 has 42 cross-referenced part numbers: Y0171S5100-455474PC51 (Naval Ship Systems Command), S5100-403779ITEM51 (Naval Ship Systems Command), 1184-1IN. (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), E2554PC51 (Clayton Manufacturing Company), S5101-879248PC51 (Naval Sea Systems Command) and 37 more.

What NSN replaces 4820-00-288-7175?

There are 8 known substitutes for 4820-00-288-7175: 6625-00-071-0030, 5330-00-076-4074, 5120-00-288-7781 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S5101-879248PC51?

Key specifications for S5101-879248PC51: Bonnet Type: INSIDE SCREW; Nominal Thread Size: 1.000 INCHES IN; Connection Type: THREADED EXTERNAL PIPE; Maximum Operating Temp and Media for Which Designed: 550.0 FAHRENHEIT STEAM AND 150.0 FAHRENHEIT WATER-OIL-GAS DEGF. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-288-7175 still in active supply?

NSN 4820-00-288-7175 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.
PartsTable Design LLC · partstable.com