PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

509-700-112Valve,check

Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc · NSN 4820-01-646-8828 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-646-8828 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-646-8828. Primary manufacturer part number: 509-700-112.
Features
  • Valve,check — FSC 4820
  • Valve Operation Method: AUTOMATIC
  • Material Document and Classification: ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE BODY
  • Face to Face Distance: 4.00 INCHES IN
  • Material: COPPER ALLOY BODY
  • Thread Series Designator: NPT ALL ENDS
  • Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS
  • Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,check, cataloged under National Stock Number 4820-01-646-8828, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-646-8828
Primary Part Number509-700-112
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMilwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
StatusACTIVE
Valve Operation MethodAUTOMATIC
Material Document and ClassificationASTM B62 ASSN STD SINGLE MATERIAL RESPONSE BODY
Face to Face Distance4.00 INCHES IN
MaterialCOPPER ALLOY BODY
Thread Series DesignatorNPT ALL ENDS
Connection StylePLAIN, OPTIONAL END (PIPE) ALL ENDS
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
Style DesignatorSTRAIGHT THRU
Maximum Operating Temp406.00 FAHRENHEIT SINGLE RESPONSE DEGF
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Nominal Pipe Size Accommodated1.50 INCHES ALL ENDS IN
Valve Size1.50 INCHES IN
Flow Control DeviceDISK
Nominal Thread Size1.50 INCHES ALL ENDS IN
Operating Pressure200.00 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6740-00-006-4198509-112 INTERCHANGEABLE
Finger Tip Assembly
Pakon Inc Dba Impak Division
3110-00-100-0317472 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
5962-00-762-9170 INTERCHANGEABLE
Microcircuit,digital
3950-01-444-8334509122 INTERCHANGEABLE
Shoe,hoist
Level 10 Industries, Inc. Div Level 10 Industries
Cross-Reference Index
Part NumberManufacturer
509-112 Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
4708K57 Mcmaster-Carr Supply Co (USA)
509-700-112 PRIMARY Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
Related Parts
6740-00-006-4198INTERCHANGEABLE
FINGER TIP ASSEMBLY
509-112
3110-00-100-0317INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
472
5962-00-762-9170INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
3950-01-444-8334INTERCHANGEABLE
SHOE,HOIST
509122

Frequently Asked Questions

What is NSN 4820-01-646-8828?

NSN 4820-01-646-8828 is a Valve,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 4820-01-646-8828?

NSN 4820-01-646-8828 has 3 cross-referenced part numbers: 509-112 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 4708K57 (Mcmaster-Carr Supply Co), 509-700-112 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).

What NSN replaces 4820-01-646-8828?

There are 4 known substitutes for 4820-01-646-8828: 6740-00-006-4198, 3110-00-100-0317, 5962-00-762-9170 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 509-700-112?

Key specifications for 509-700-112: Valve Operation Method: AUTOMATIC; Material Document and Classification: ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE BODY; Face to Face Distance: 4.00 INCHES IN; Material: COPPER ALLOY BODY. 16 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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