PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28000-3Valve,check

Danfoss Fluid Power Inc Easley Opn · NSN 4820-00-824-7575 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-824-7575 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-824-7575. Primary manufacturer part number: 28000-3.
Features
  • Valve,check — FSC 4820
  • Style Designator: STRAIGHT THRU
  • Operating Pressure: 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Material: STEEL OVERALL
  • Nominal Thread Size: 0.375 INCHES ALL ENDS IN
  • Valve Operation Method: AUTOMATIC
  • Media for Which Designed: OIL, HYDRAULIC SINGLE RESPONSE
  • Thread Quantity Per Inch: 18 ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Overall construction
General Description

The Valve,check, cataloged under National Stock Number 4820-00-824-7575, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Danfoss Fluid Power Inc Easley Opn. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4820-00-824-7575
Primary Part Number28000-3
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDanfoss Fluid Power Inc Easley Opn
StatusACTIVE
Style DesignatorSTRAIGHT THRU
Operating Pressure5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialSTEEL OVERALL
Nominal Thread Size0.375 INCHES ALL ENDS IN
Valve Operation MethodAUTOMATIC
Media for Which DesignedOIL, HYDRAULIC SINGLE RESPONSE
Thread Quantity Per Inch18 ALL ENDS
Thread Series DesignatorNPT ALL ENDS
Disk Loading MethodSPRING
Nominal Pipe Size Accommodated0.375 INCHES ALL ENDS IN
Thread DirectionRIGHT-HAND ALL ENDS
Flow Control DevicePOPPET
Connection StylePLAIN, OPTIONAL END (PIPE) ALL ENDS
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Mounting PositionHORIZONTAL OR VERTICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5307-00-350-6735203479 INTERCHANGEABLE
Stud,plain
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
5920-00-999-4864280003 INTERCHANGEABLE
Fuseholder,electric
Littelfuse, Inc.
4720-01-329-8602280003 INTERCHANGEABLE
Hose Assembly,nonmetallic
Prc-Desoto Intl Inc
1680-01-573-976128000-3 INTERCHANGEABLE
Housing,green
Hydraulics International, Inc. Dba Hydraulics International Inc
Cross-Reference Index
Part NumberManufacturer
28000-3 PRIMARY Danfoss Fluid Power Inc Easley Opn (USA)
Related Parts
5307-00-350-6735INTERCHANGEABLE
STUD,PLAIN
203479
5920-00-999-4864INTERCHANGEABLE
FUSEHOLDER,ELECTRIC
280003
4720-01-329-8602INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
280003
1680-01-573-9761INTERCHANGEABLE
HOUSING,GREEN
28000-3

Frequently Asked Questions

What is NSN 4820-00-824-7575?

NSN 4820-00-824-7575 is a Valve,check, manufactured by Danfoss Fluid Power Inc Easley Opn, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-824-7575?

NSN 4820-00-824-7575 has 1 cross-referenced part number: 28000-3 (Danfoss Fluid Power Inc Easley Opn).

What NSN replaces 4820-00-824-7575?

There are 4 known substitutes for 4820-00-824-7575: 5307-00-350-6735, 5920-00-999-4864, 4720-01-329-8602 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 28000-3?

Key specifications for 28000-3: Style Designator: STRAIGHT THRU; Operating Pressure: 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Material: STEEL OVERALL; Special Features: 3.0 PSI VALVE CRACKING PRESSURE. 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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