PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5003 SIZE 6INCHValve,stop-Check

Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc · NSN 4820-01-371-7664 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-371-7664 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-371-7664. Primary manufacturer part number: 5003 SIZE 6INCH.
Features
  • Valve,stop-Check — FSC 4820
  • Bonnet Type: OUTSIDE SCREW-YOKE
  • Bolt Circle Nominal Diameter: 9.500 INCHES ALL ENDS IN
  • Flange Face Design: PLAIN ALL ENDS
  • Bolt Hole Nominal Diameter: 0.875 INCHES ALL ENDS IN
  • Nominal Thickness: 0.562 INCHES ALL ENDS IN
  • Material: COPPER ALLOY BODY
  • Nominal Outside Diameter: 10.125 INCHES ALL ENDS IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,stop-Check, cataloged under National Stock Number 4820-01-371-7664, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 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
NSN4820-01-371-7664
Primary Part Number5003 SIZE 6INCH
Item NameValve,stop-Check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMilwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
StatusACTIVE
Bonnet TypeOUTSIDE SCREW-YOKE
Bolt Circle Nominal Diameter9.500 INCHES ALL ENDS IN
Flange Face DesignPLAIN ALL ENDS
Bolt Hole Nominal Diameter0.875 INCHES ALL ENDS IN
Nominal Thickness0.562 INCHES ALL ENDS IN
MaterialCOPPER ALLOY BODY
Nominal Outside Diameter10.125 INCHES ALL ENDS IN
Operating Pressure100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Flange ShapeROUND WITH HOLES ALL ENDS
Bolt Hole Quantity8 ALL ENDS
Valve Operation MethodMANUAL
Bonnet Attachment MethodBOLTED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5930-00-090-576679348R91 INTERCHANGEABLE
Switch,push-Pull
Navistar Intl Corp Truck Br Ohio Plant
2805-00-132-46752808507 INTERCHANGEABLE
Oil Pump Assembly,engine
Chrysler Realty Company Llc Dba Daimler Chrysler
5815-00-228-6712SC-C-69992-15 INTERCHANGEABLE
Bar,connecting,teletypewriter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5935-00-242-1951 INTERCHANGEABLE
Connector,receptacle,electrical
5360-00-526-4019389755 INTERCHANGEABLE
Spring,helical,compression
Am General Llc
2815-00-963-3587 INTERCHANGEABLE
Packing
5360-01-044-284650036 INTERCHANGEABLE
Spring,helical,compression
The Oilgear Company Dba Jiffy Lube 213 Div Oilgear
5330-01-172-640822-17059 INTERCHANGEABLE
Packing Assembly
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
5930-01-212-778510512679 INTERCHANGEABLE
Switch,sensitive
General Dynamics Land Systems Canadacorp
6150-01-282-9459 INTERCHANGEABLE
Cable Assembly,power,electrical
Cross-Reference Index
Part NumberManufacturer
5003-6 Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
5003 SIZE 6INCH Service Brass and Aluminum Foundry Co, Inc. Dba Service Brass Fittings (USA)
5003-6 Service Brass and Aluminum Foundry Co, Inc. Dba Service Brass Fittings (USA)
5003 SIZE 6INCH PRIMARY Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
Related Parts
5930-00-090-5766INTERCHANGEABLE
SWITCH,PUSH-PULL
79348R91
2805-00-132-4675INTERCHANGEABLE
OIL PUMP ASSEMBLY,ENGINE
2808507
5815-00-228-6712INTERCHANGEABLE
BAR,CONNECTING,TELETYPEWRITER
SC-C-69992-15
5935-00-242-1951INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5360-00-526-4019INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
389755
2815-00-963-3587INTERCHANGEABLE
PACKING
5360-01-044-2846INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
50036
5330-01-172-6408INTERCHANGEABLE
PACKING ASSEMBLY
22-17059
5930-01-212-7785INTERCHANGEABLE
SWITCH,SENSITIVE
10512679
6150-01-282-9459INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
6640-01-355-6443INTERCHANGEABLE
CUVETTE,TURBIDITY INSTRUMENT
50036
2920-01-476-2716INTERCHANGEABLE
SWITCH,SAFETY,NEUTRAL START
50036-18

Frequently Asked Questions

What is NSN 4820-01-371-7664?

NSN 4820-01-371-7664 is a Valve,stop-Check, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-371-7664?

NSN 4820-01-371-7664 has 4 cross-referenced part numbers: 5003-6 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 5003 SIZE 6INCH (Service Brass and Aluminum Foundry Co, Inc. Dba Service Brass Fittings), 5003-6 (Service Brass and Aluminum Foundry Co, Inc. Dba Service Brass Fittings), 5003 SIZE 6INCH (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).

What NSN replaces 4820-01-371-7664?

There are 12 known substitutes for 4820-01-371-7664: 5930-00-090-5766, 2805-00-132-4675, 5815-00-228-6712 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5003 SIZE 6INCH?

Key specifications for 5003 SIZE 6INCH: Bonnet Type: OUTSIDE SCREW-YOKE; Bolt Circle Nominal Diameter: 9.500 INCHES ALL ENDS IN; Flange Face Design: PLAIN ALL ENDS; Bolt Hole Nominal Diameter: 0.875 INCHES ALL ENDS IN. 12 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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