PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3C16-10-15Valve,check

Danfoss Fluid Power Inc Easley Opn · NSN 4820-01-203-1122 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-203-1122 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-203-1122. Primary manufacturer part number: 3C16-10-15.
Features
  • Valve,check — FSC 4820
  • Material: STEEL OVERALL
  • Valve Operation Method: AUTOMATIC
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Disk Loading Method: SPRING
  • Operating Pressure: 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Thread Direction: RIGHT-HAND ALL ENDS
  • Flow Control Device: POPPET
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 4820-01-203-1122, 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 14 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
NSN4820-01-203-1122
Primary Part Number3C16-10-15
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDanfoss Fluid Power Inc Easley Opn
StatusACTIVE
MaterialSTEEL OVERALL
Valve Operation MethodAUTOMATIC
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Disk Loading MethodSPRING
Operating Pressure5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Thread DirectionRIGHT-HAND ALL ENDS
Flow Control DevicePOPPET
Style DesignatorSTRAIGHT THRU
Mounting PositionHORIZONTAL OR VERTICAL
Connection StylePLAIN, OPTIONAL END (PIPE) ALL ENDS
Media for Which DesignedOIL, HYDRAULIC SINGLE RESPONSE
Nominal Thread Size1.250 INCHES ALL ENDS IN
Thread Series DesignatorNPTF ALL ENDS
Opening Pressure Setting15.0 POUNDS PER SQUARE INCH LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
9540-00-147-6276 INTERCHANGEABLE
Angle,structural
5940-00-177-79234082 INTERCHANGEABLE
Terminal,lug
Brainin-Advance Industries, Llc
5340-00-201-88264082 INTERCHANGEABLE
Boot,dust and Moisture Seal
Apm Hexseal Corp
5340-00-486-2934 INTERCHANGEABLE
Clamp,loop
4730-00-541-90812045-6-6S INTERCHANGEABLE
Coupling,pipe
Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
9540-00-580-6338 INTERCHANGEABLE
Angle,structural
6210-00-782-75954082 INTERCHANGEABLE
Lens,light
L3harris Technologies, Inc. Div Space and Airborne Systems
5835-01-017-74864082 INTERCHANGEABLE
Recorder-Reproducer Assembly,sou
Dictaphone Corporation
7045-01-034-56804082 INTERCHANGEABLE
Tape Cassette
Data General Corporation
5962-01-086-9590C10650-1 INTERCHANGEABLE
Microcircuit,linear
Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
Cross-Reference Index
Part NumberManufacturer
4082 Transact Intl Inc (USA)
3C16-10-15 PRIMARY Danfoss Fluid Power Inc Easley Opn (USA)
Related Parts
9540-00-147-6276INTERCHANGEABLE
ANGLE,STRUCTURAL
5940-00-177-7923INTERCHANGEABLE
TERMINAL,LUG
4082
5340-00-201-8826INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
4082
5340-00-486-2934INTERCHANGEABLE
CLAMP,LOOP
4730-00-541-9081INTERCHANGEABLE
COUPLING,PIPE
2045-6-6S
9540-00-580-6338INTERCHANGEABLE
ANGLE,STRUCTURAL
6210-00-782-7595INTERCHANGEABLE
LENS,LIGHT
4082
5835-01-017-7486INTERCHANGEABLE
RECORDER-REPRODUCER ASSEMBLY,SOU
4082
7045-01-034-5680INTERCHANGEABLE
TAPE CASSETTE
4082
5962-01-086-9590INTERCHANGEABLE
MICROCIRCUIT,LINEAR
C10650-1
5962-01-086-9598INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
7910-01-136-5852INTERCHANGEABLE
FILTER BAG,VACUUM CLEANER
4082

Frequently Asked Questions

What is NSN 4820-01-203-1122?

NSN 4820-01-203-1122 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 4820-01-203-1122?

NSN 4820-01-203-1122 has 2 cross-referenced part numbers: 4082 (Transact Intl Inc), 3C16-10-15 (Danfoss Fluid Power Inc Easley Opn).

What NSN replaces 4820-01-203-1122?

There are 12 known substitutes for 4820-01-203-1122: 9540-00-147-6276, 5940-00-177-7923, 5340-00-201-8826 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3C16-10-15?

Key specifications for 3C16-10-15: Material: STEEL OVERALL; Valve Operation Method: AUTOMATIC; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Disk Loading Method: SPRING. 14 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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