PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C2825Valve,check

Eaton Aerospace, Llc Dba Jackson South · NSN 4820-00-623-9736 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-623-9736 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-623-9736. Primary manufacturer part number: C2825.
Features
  • Valve,check — FSC 4820
  • Disk Loading Method: SPRING
  • Style Designator: ANGLE
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS
  • Material: STEEL OVERALL
  • Thread Series Designator: NPT ALL ENDS
  • Valve Operation Method: AUTOMATIC
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 4820-00-623-9736, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-623-9736
Primary Part NumberC2825
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusCANCELLED
Disk Loading MethodSPRING
Style DesignatorANGLE
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Connection StylePLAIN, OPTIONAL END (PIPE) ALL ENDS
MaterialSTEEL OVERALL
Thread Series DesignatorNPT ALL ENDS
Valve Operation MethodAUTOMATIC
Mounting PositionHORIZONTAL OR VERTICAL
Nominal Thread Size1.250 INCHES ALL ENDS IN
Flow Control DeviceDISK
Thread DirectionRIGHT-HAND ALL ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5935-00-444-0251223-912-9003 INTERCHANGEABLE
Connector,receptacle,electrical
Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto
5905-01-090-361494-048 INTERCHANGEABLE
Resistor
Raytheon Company Dba Raytheon Co
2940-01-169-275346048 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
Cross-Reference Index
Part NumberManufacturer
D10-20A1 Vickers Inc (USA)
D185 Remco, Inc. (USA)
C2825 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
C2-825 Vickers S Y S Inc (CAN)
D-10-10A1 Vickers Inc (USA)
D4-185 Vickers Inc (USA)
D185 Vickers Inc (USA)
94048 Eaton Aerospace, Llc Dba Jackson South (USA)
94048 Vickers S Y S Inc (CAN)
C2-825 Eaton Aerospace, Llc Dba Jackson South (USA)
94048 Reidville Hydraulics & Mfg Inc (USA)
516-4510937R3 Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace (USA)
Related Parts
5935-00-444-0251INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
223-912-9003
5905-01-090-3614INTERCHANGEABLE
RESISTOR
94-048
2940-01-169-2753INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
46048

Frequently Asked Questions

What is NSN 4820-00-623-9736?

NSN 4820-00-623-9736 is a Valve,check, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-623-9736?

NSN 4820-00-623-9736 has 12 cross-referenced part numbers: D10-20A1 (Vickers Inc), D185 (Remco, Inc.), C2825 (Eaton Aerospace, Llc Dba Jackson South), C2-825 (Vickers S Y S Inc), D-10-10A1 (Vickers Inc) and 7 more.

What NSN replaces 4820-00-623-9736?

There are 3 known substitutes for 4820-00-623-9736: 5935-00-444-0251, 5905-01-090-3614, 2940-01-169-2753. Verify interchangeability with system specifications before substitution.

What are the specifications of C2825?

Key specifications for C2825: Disk Loading Method: SPRING; Style Designator: ANGLE; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-623-9736 still in active supply?

NSN 4820-00-623-9736 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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