PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2800755Valve,check

Clark Material Handling Company · NSN 4820-01-428-4278 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-428-4278 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-428-4278. Primary manufacturer part number: 2800755.
Features
  • Valve,check — FSC 4820
  • Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Material: STEEL SEAT
  • Connection Type: THREADED INTERNAL BOSS FIRST END
  • Valve Operation Method: AUTOMATIC
  • Style Designator: STRAIGHT THRU
  • Media for Which Designed: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
  • Seat Angle: 37.0 DEGREES SECOND END
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Seat construction
General Description

The Valve,check, cataloged under National Stock Number 4820-01-428-4278, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Clark Material Handling Company. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-428-4278
Primary Part Number2800755
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerClark Material Handling Company
StatusACTIVE
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialSTEEL SEAT
Connection TypeTHREADED INTERNAL BOSS FIRST END
Valve Operation MethodAUTOMATIC
Style DesignatorSTRAIGHT THRU
Media for Which DesignedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
Seat Angle37.0 DEGREES SECOND END
Connection StyleSWIVEL NUT, FLARE (TUBE) SECOND END
Supplementary FeaturesBODY LG 63.5 MM MM
Connection TypeTHREADED INTERNAL TUBE SECOND END
MaterialALUMINUM BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5970-00-117-5220397L5-8 INTERCHANGEABLE
Insulator,standoff
Isolantite Manufacturing Co Inc Div Isolantite Manufacturing Inc.
5310-00-209-282670012 INTERCHANGEABLE
Washer,lock
Telemechanics Inc
4520-00-355-751570071 INTERCHANGEABLE
Heating Element,electrical,nonim
Technical Heaters, Inc. Dba Technical Heaters Inc
5310-00-721-552150FP2-440 INTERCHANGEABLE
Nut,self-Locking,clinch
Sps Technologies, Llc Dba PB Fasteners
5940-00-926-0027 INTERCHANGEABLE
Terminal,feedthru
2940-00-968-17941046Z206 INTERCHANGEABLE
Filter Element,intake Air Cleane
Morris Material Handling, Inc.
3110-01-423-6162235076 INTERCHANGEABLE
Bearing,ball,annular
Allied Systems Company Dba Allied Systems Co
1005-01-480-449670071 INTERCHANGEABLE
Retainer,gun Component
Benelli U.s.a. Corporation
6150-01-516-685170071-2 INTERCHANGEABLE
Lead Assembly,electrical
Morpac Industries, Inc Div Actuator
5930-01-562-363270071 INTERCHANGEABLE
Switch,flow
Crispaire Corp Dba Marvair Co
Cross-Reference Index
Part NumberManufacturer
2800755 PRIMARY Clark Material Handling Company (USA)
70071 Vonberg Valve, Inc. (USA)
Related Parts
5970-00-117-5220INTERCHANGEABLE
INSULATOR,STANDOFF
397L5-8
5310-00-209-2826INTERCHANGEABLE
WASHER,LOCK
70012
4520-00-355-7515INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
70071
5310-00-721-5521INTERCHANGEABLE
NUT,SELF-LOCKING,CLINCH
50FP2-440
5940-00-926-0027INTERCHANGEABLE
TERMINAL,FEEDTHRU
2940-00-968-1794INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
1046Z206
3110-01-423-6162INTERCHANGEABLE
BEARING,BALL,ANNULAR
235076
1005-01-480-4496INTERCHANGEABLE
RETAINER,GUN COMPONENT
70071
6150-01-516-6851INTERCHANGEABLE
LEAD ASSEMBLY,ELECTRICAL
70071-2
5930-01-562-3632INTERCHANGEABLE
SWITCH,FLOW
70071
4820-01-578-1231INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
70071
7035-01-723-7729INTERCHANGEABLE
RECEIVER-TRANSMITTER,DIGITAL DAT
7007-1

Frequently Asked Questions

What is NSN 4820-01-428-4278?

NSN 4820-01-428-4278 is a Valve,check, manufactured by Clark Material Handling Company, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-428-4278?

NSN 4820-01-428-4278 has 2 cross-referenced part numbers: 2800755 (Clark Material Handling Company), 70071 (Vonberg Valve, Inc.).

What NSN replaces 4820-01-428-4278?

There are 12 known substitutes for 4820-01-428-4278: 5970-00-117-5220, 5310-00-209-2826, 4520-00-355-7515 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2800755?

Key specifications for 2800755: Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Material: STEEL SEAT; Connection Type: THREADED INTERNAL BOSS FIRST END; Valve Operation Method: AUTOMATIC. 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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