PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5399-028R 3/8INValve,check

Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc · NSN 4820-01-582-0912 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-582-0912 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-582-0912. Primary manufacturer part number: 5399-028R 3/8IN.
Features
  • Valve,check — FSC 4820
  • Material: COPPER ALLOY BODY
  • Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Maximum Operating Temp: 150.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Style Designator: STRAIGHT THRU
  • Nominal Pipe Size Accommodated: 0.375 INCHES ALL ENDS IN
  • Connection Style: SOCKET (PIPE) ALL ENDS
  • Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
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 4820-01-582-0912, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-582-0912
Primary Part Number5399-028R 3/8IN
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMilwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
StatusACTIVE
MaterialCOPPER ALLOY BODY
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Maximum Operating Temp150.0 FAHRENHEIT SINGLE RESPONSE DEGF
Style DesignatorSTRAIGHT THRU
Nominal Pipe Size Accommodated0.375 INCHES ALL ENDS IN
Connection StyleSOCKET (PIPE) ALL ENDS
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Valve Operation MethodAUTOMATIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4820-01-506-51415399-028R-200 INTERCHANGEABLE
Valve,check
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4820-01-506-51505399-028R 1.00IN INTERCHANGEABLE
Valve,check
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4820-01-511-89525399-028R-12 INTERCHANGEABLE
Valve,check
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4820-01-522-92425399-028R 3/4IN INTERCHANGEABLE
Valve,check
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4820-01-577-73825399-028R 14 INTERCHANGEABLE
Valve,check
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
5325-01-577-73884866-B-161 INTERCHANGEABLE
Ring,retaining
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4820-01-577-73925399-028R-1/4" NO.7 INTERCHANGEABLE
Disk,valve
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4820-01-647-66723873-E-380 INTERCHANGEABLE
Disk,valve
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
Cross-Reference Index
Part NumberManufacturer
5399-028R Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
5399-028R 3/8IN PRIMARY Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
Related Parts
4820-01-506-5141INTERCHANGEABLE
VALVE,CHECK
5399-028R-200
4820-01-506-5150INTERCHANGEABLE
VALVE,CHECK
5399-028R 1.00IN
4820-01-511-8952INTERCHANGEABLE
VALVE,CHECK
5399-028R-12
4820-01-522-9242INTERCHANGEABLE
VALVE,CHECK
5399-028R 3/4IN
4820-01-577-7382INTERCHANGEABLE
VALVE,CHECK
5399-028R 14
5325-01-577-7388INTERCHANGEABLE
RING,RETAINING
4866-B-161
4820-01-577-7392INTERCHANGEABLE
DISK,VALVE
5399-028R-1/4" NO.7
4820-01-647-6672INTERCHANGEABLE
DISK,VALVE
3873-E-380

Frequently Asked Questions

What is NSN 4820-01-582-0912?

NSN 4820-01-582-0912 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 4820-01-582-0912?

NSN 4820-01-582-0912 has 2 cross-referenced part numbers: 5399-028R (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 5399-028R 3/8IN (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).

What NSN replaces 4820-01-582-0912?

There are 8 known substitutes for 4820-01-582-0912: 4820-01-506-5141, 4820-01-506-5150, 4820-01-511-8952 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5399-028R 3/8IN?

Key specifications for 5399-028R 3/8IN: Material: COPPER ALLOY BODY; Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Maximum Operating Temp: 150.0 FAHRENHEIT SINGLE RESPONSE DEGF; Style Designator: STRAIGHT THRU. 9 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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