PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

803-1385707 5INValve,stop-Check

Naval Ship Systems Command · NSN 4820-01-107-9127 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-107-9127 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-107-9127. Primary manufacturer part number: 803-1385707 5IN.
Features
  • Valve,stop-Check — FSC 4820
  • Flange Shape: ROUND WITH HOLES FIRST END
  • Bolt Hole Nominal Diameter: 0.656 INCHES FIRST END IN
  • Material Document and Classification: QQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE BODY
  • Valve Operation Method: MANUAL
  • Material Document and Classification: ASTM B164-61 ASSN STD SINGLE MATERIAL RESPONSE STEM
  • Bolt Hole Quantity: 10 FIRST END
  • Nominal Outside Diameter: 10.312 INCHES FIRST END IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy 922 Body construction
General Description

The Valve,stop-Check, cataloged under National Stock Number 4820-01-107-9127, 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 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-107-9127
Primary Part Number803-1385707 5IN
Item NameValve,stop-Check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Flange ShapeROUND WITH HOLES FIRST END
Bolt Hole Nominal Diameter0.656 INCHES FIRST END IN
Material Document and ClassificationQQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE BODY
Valve Operation MethodMANUAL
Material Document and ClassificationASTM B164-61 ASSN STD SINGLE MATERIAL RESPONSE STEM
Bolt Hole Quantity10 FIRST END
Nominal Outside Diameter10.312 INCHES FIRST END IN
MaterialCOPPER ALLOY 922 BODY
Mounting PositionVERTICAL
Nominal Outside Diameter9.062 INCHES SECOND END IN
Nominal Thickness0.688 INCHES SECOND END IN
Valve Size5.000 INCHES IN
Connection TypeFLANGE ALL ENDS
MaterialNICKEL ALLOY STEM
Renewable Seat Ring TypeTHREADED
Bonnet TypeINSIDE SCREW
Flange ShapeROUND SECOND END
Bolt Circle Nominal Diameter9.124 INCHES FIRST END IN
Style DesignatorSTRAIGHT THRU FLANGED ENDS
Flange Face DesignPLAIN FIRST END
Flow Control DeviceDISK
Bonnet Attachment MethodTHREADED
Face to Face Distance5.874 INCHES IN
Nominal Thickness0.750 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-01-100-34070302327310 INTERCHANGEABLE
Valve,stop-Check
Tate Andale, Llc
4820-01-103-3317810-1385707-SHT1 2IN INTERCHANGEABLE
Valve,scupper
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
803-1385707 5IN PRIMARY Naval Ship Systems Command (USA)
810-1385707 5IN Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
810-1385707 Naval Ship Systems Command (USA)
810-1385707 5IN Naval Ship Systems Command (USA)
810-1385707 5IN Service Brass and Aluminum Foundry Co, Inc. Dba Service Brass Fittings (USA)
180-1385707 Service Brass and Aluminum Foundry Co, Inc. Dba Service Brass Fittings (USA)
810-1385707 Service Brass and Aluminum Foundry Co, Inc. Dba Service Brass Fittings (USA)
803-1385707 Naval Ship Systems Command (USA)
810-138707REVC5 Naval Sea Systems Command (USA)
Related Parts
4820-01-100-3407INTERCHANGEABLE
VALVE,STOP-CHECK
0302327310
4820-01-103-3317INTERCHANGEABLE
VALVE,SCUPPER
810-1385707-SHT1 2IN

Frequently Asked Questions

What is NSN 4820-01-107-9127?

NSN 4820-01-107-9127 is a Valve,stop-Check, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-107-9127?

NSN 4820-01-107-9127 has 9 cross-referenced part numbers: 803-1385707 5IN (Naval Ship Systems Command), 810-1385707 5IN (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 810-1385707 (Naval Ship Systems Command), 810-1385707 5IN (Naval Ship Systems Command), 810-1385707 5IN (Service Brass and Aluminum Foundry Co, Inc. Dba Service Brass Fittings) and 4 more.

What NSN replaces 4820-01-107-9127?

There are 2 known substitutes for 4820-01-107-9127: 4820-01-100-3407, 4820-01-103-3317. Verify interchangeability with system specifications before substitution.

What are the specifications of 803-1385707 5IN?

Key specifications for 803-1385707 5IN: Flange Shape: ROUND WITH HOLES FIRST END; Bolt Hole Nominal Diameter: 0.656 INCHES FIRST END IN; Material Document and Classification: QQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE BODY; Valve Operation Method: MANUAL. 24 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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