PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5071-011-300Valve,stop-Check

Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc · NSN 4820-01-352-8939 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-352-8939 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-352-8939. Primary manufacturer part number: 5071-011-300.
Features
  • Valve,stop-Check — FSC 4820
  • Bonnet Type: PACKING RETAINING
  • Connection Type: FLANGE ALL ENDS
  • Style Designator: OFFSET FLANGED ENDS
  • Supplementary Features: THIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCES 76364 HAVE INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984
  • Material: COPPER ALLOY 922 SEAT
  • Face to Face Distance: 9.500 INCHES IN
  • Bolt Hole Quantity: 8 ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy 922 Seat construction
General Description

The Valve,stop-Check, cataloged under National Stock Number 4820-01-352-8939, 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 21 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-352-8939
Primary Part Number5071-011-300
Item NameValve,stop-Check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMilwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
StatusACTIVE
Bonnet TypePACKING RETAINING
Connection TypeFLANGE ALL ENDS
Style DesignatorOFFSET FLANGED ENDS
Supplementary FeaturesTHIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCES 76364 HAVE INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984
MaterialCOPPER ALLOY 922 SEAT
Face to Face Distance9.500 INCHES IN
Bolt Hole Quantity8 ALL ENDS
Mounting PositionHORIZONTAL
MaterialNICKEL ALLOY 400 STEM
Nominal Outside Diameter6.625 INCHES ALL ENDS IN
Flange Face DesignPLAIN ALL ENDS
Nominal Thickness0.500 INCHES ALL ENDS IN
Furnished Items and Quantity1 HANDWHEEL
Valve Size3.000 INCHES IN
MaterialCOPPER ALLOY 922 BODY
Bolt Hole Nominal Diameter0.562 INCHES ALL ENDS IN
Valve Operation MethodAUTOMATIC OR MANUAL
Offset Distance0.562 INCHES IN
Flow Control DeviceDISK
Bolt Circle Nominal Diameter5.500 INCHES ALL ENDS IN
Flange ShapeROUND WITH HOLES ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4820-01-225-89195071-012-212 INTERCHANGEABLE
Valve,check
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4820-01-351-8165178131 PC NO 6 INTERCHANGEABLE
Seat,valve
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4820-01-365-69505071-012-600 INTERCHANGEABLE
Valve,stop-Check
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4820-01-365-70195071C0-0600-24J1 INTERCHANGEABLE
Seat,valve
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4820-01-365-7123D26135-S-381 INTERCHANGEABLE
Stem,fluid Valve
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
Cross-Reference Index
Part NumberManufacturer
5071-011-300 PRIMARY Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
5071N-3IN Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
178131 Service Brass and Aluminum Foundry Co, Inc. Dba Service Brass Fittings (USA)
5071-3IN.178131 REV. F Service Brass and Aluminum Foundry Co, Inc. Dba Service Brass Fittings (USA)
Related Parts
4820-01-225-8919INTERCHANGEABLE
VALVE,CHECK
5071-012-212
4820-01-351-8165INTERCHANGEABLE
SEAT,VALVE
178131 PC NO 6
4820-01-365-6950INTERCHANGEABLE
VALVE,STOP-CHECK
5071-012-600
4820-01-365-7019INTERCHANGEABLE
SEAT,VALVE
5071C0-0600-24J1
4820-01-365-7123INTERCHANGEABLE
STEM,FLUID VALVE
D26135-S-381

Frequently Asked Questions

What is NSN 4820-01-352-8939?

NSN 4820-01-352-8939 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 4820-01-352-8939?

NSN 4820-01-352-8939 has 4 cross-referenced part numbers: 5071-011-300 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 5071N-3IN (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 178131 (Service Brass and Aluminum Foundry Co, Inc. Dba Service Brass Fittings), 5071-3IN.178131 REV. F (Service Brass and Aluminum Foundry Co, Inc. Dba Service Brass Fittings).

What NSN replaces 4820-01-352-8939?

There are 5 known substitutes for 4820-01-352-8939: 4820-01-225-8919, 4820-01-351-8165, 4820-01-365-6950 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5071-011-300?

Key specifications for 5071-011-300: Bonnet Type: PACKING RETAINING; Connection Type: FLANGE ALL ENDS; Style Designator: OFFSET FLANGED ENDS; Supplementary Features: THIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCES 76364 HAVE INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984. 21 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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