PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

102558Valve,check

Ohio Medical Corporation Dba Ohio Medical Corp Ltd U.k · NSN 4820-01-240-1028 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-240-1028 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-240-1028. Primary manufacturer part number: 102558.
Features
  • Valve,check — FSC 4820
  • Valve Operation Method: AUTOMATIC
  • Mounting Position: HORIZONTAL OR VERTICAL
  • Connection Style: PLAIN (PIPE) ALL ENDS
  • Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Style Designator: STRAIGHT THRU
  • Thread Series Designator: NPT ALL ENDS
  • Nominal Thread Size: 0.250 INCHES ALL ENDS IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Flow Control Device construction
General Description

The Valve,check, cataloged under National Stock Number 4820-01-240-1028, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Ohio Medical Corporation Dba Ohio Medical Corp Ltd U.k. Government technical data includes 12 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-240-1028
Primary Part Number102558
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerOhio Medical Corporation Dba Ohio Medical Corp Ltd U.k
StatusACTIVE
Valve Operation MethodAUTOMATIC
Mounting PositionHORIZONTAL OR VERTICAL
Connection StylePLAIN (PIPE) ALL ENDS
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Style DesignatorSTRAIGHT THRU
Thread Series DesignatorNPT ALL ENDS
Nominal Thread Size0.250 INCHES ALL ENDS IN
Flow Control DeviceDISK
MaterialCOPPER ALLOY FLOW CONTROL DEVICE
Connection TypeTHREADED EXTERNAL PIPE ALL ENDS
Thread DirectionRIGHT-HAND ALL ENDS
MaterialCOPPER ALLOY BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4540-00-158-3222102-1348 INTERCHANGEABLE
Heater,base,engine
Cummins Power Generation Inc.
3825-00-484-2757102558 INTERCHANGEABLE
Support,deflector
Allianz Sweeper Company
2915-00-622-6673102-558 INTERCHANGEABLE
Body,pump
Hamilton Sundstrand Corporation
5950-00-929-2724 INTERCHANGEABLE
Coil,radio Frequency
6610-00-929-6240102558 INTERCHANGEABLE
Gear and Sprocket
Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace
4320-01-041-2722102558 INTERCHANGEABLE
Pump,rotary
Star Industries Inc
5845-01-252-1524102558 INTERCHANGEABLE
Case,transfer,trans
Exelis Inc.
4030-01-267-4214 INTERCHANGEABLE
Wedge,wire Rope Socket
2540-01-332-9119 INTERCHANGEABLE
Motor,hydraulic
9310-01-606-862710255-8 INTERCHANGEABLE
Paper,cover
3 Star Papers Ltd Dba Limited Papers Div Limited Papers
Cross-Reference Index
Part NumberManufacturer
102558 PRIMARY Ohio Medical Corporation Dba Ohio Medical Corp Ltd U.k (USA)
Related Parts
4540-00-158-3222INTERCHANGEABLE
HEATER,BASE,ENGINE
102-1348
3825-00-484-2757INTERCHANGEABLE
SUPPORT,DEFLECTOR
102558
2915-00-622-6673INTERCHANGEABLE
BODY,PUMP
102-558
5950-00-929-2724INTERCHANGEABLE
COIL,RADIO FREQUENCY
6610-00-929-6240INTERCHANGEABLE
GEAR AND SPROCKET
102558
4320-01-041-2722INTERCHANGEABLE
PUMP,ROTARY
102558
5845-01-252-1524INTERCHANGEABLE
CASE,TRANSFER,TRANS
102558
4030-01-267-4214INTERCHANGEABLE
WEDGE,WIRE ROPE SOCKET
2540-01-332-9119INTERCHANGEABLE
MOTOR,HYDRAULIC
9310-01-606-8627INTERCHANGEABLE
PAPER,COVER
10255-8

Frequently Asked Questions

What is NSN 4820-01-240-1028?

NSN 4820-01-240-1028 is a Valve,check, manufactured by Ohio Medical Corporation Dba Ohio Medical Corp Ltd U.k, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-240-1028?

NSN 4820-01-240-1028 has 1 cross-referenced part number: 102558 (Ohio Medical Corporation Dba Ohio Medical Corp Ltd U.k).

What NSN replaces 4820-01-240-1028?

There are 10 known substitutes for 4820-01-240-1028: 4540-00-158-3222, 3825-00-484-2757, 2915-00-622-6673 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 102558?

Key specifications for 102558: Valve Operation Method: AUTOMATIC; Mounting Position: HORIZONTAL OR VERTICAL; Connection Style: PLAIN (PIPE) ALL ENDS; Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 13 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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