PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2C8410-4Valve,check

Crissair Inc Div Esco Technologies · NSN 4820-00-124-8890 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-124-8890 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-124-8890. Primary manufacturer part number: 2C8410-4.
Features
  • Valve,check — FSC 4820
  • Material: STEEL COMP 416 FLOW CONTROL DEVICE
  • Thread Class: 3A ALL ENDS A
  • Thread Direction: RIGHT-HAND ALL ENDS
  • Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
  • Nominal Thread Size: 0.438 INCHES ALL ENDS IN
  • Surface Treatment: PASSIVATE
  • Seat Angle: 24.0 DEGREES ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 416 Flow Control Device construction
General Description

The Valve,check, cataloged under National Stock Number 4820-00-124-8890, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Crissair Inc Div Esco Technologies. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-124-8890
Primary Part Number2C8410-4
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCrissair Inc Div Esco Technologies
StatusCANCELLED
MaterialSTEEL COMP 416 FLOW CONTROL DEVICE
Thread Class3A ALL ENDS A
Thread DirectionRIGHT-HAND ALL ENDS
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
Nominal Thread Size0.438 INCHES ALL ENDS IN
Surface TreatmentPASSIVATE
Seat Angle24.0 DEGREES ALL ENDS
MaterialSTEEL COMP 303 BODY
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which DesignedHYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE
Style DesignatorTEE
Connection StyleFLARELESS ALL ENDS
Valve Operation MethodAUTOMATIC
Flow Control DeviceDISK OR POPPET
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
4820-01-124-3687SS70-912S-4J INTERCHANGEABLE
Valve,check
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
Cross-Reference Index
Part NumberManufacturer
SS70-912S04C Airbus Deutschland Gmbh -Werk Bremen- (DEU)
K-912S-4C Ausco Inc (USA)
SS70-912S4C Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA)
SS70-912S04C Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA)
2C8410-4 PRIMARY Crissair Inc Div Esco Technologies (USA)
SS70-912S4J PRIMARY Crissair Inc Div Esco Technologies (USA)
Related Parts
4820-01-124-3687INTERCHANGEABLE
VALVE,CHECK
SS70-912S-4J

Frequently Asked Questions

What is NSN 4820-00-124-8890?

NSN 4820-00-124-8890 is a Valve,check, manufactured by Crissair Inc Div Esco Technologies, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-124-8890?

NSN 4820-00-124-8890 has 6 cross-referenced part numbers: SS70-912S04C (Airbus Deutschland Gmbh -Werk Bremen-), K-912S-4C (Ausco Inc), SS70-912S4C (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), SS70-912S04C (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 2C8410-4 (Crissair Inc Div Esco Technologies) and 1 more.

What NSN replaces 4820-00-124-8890?

There is 1 known substitute for 4820-00-124-8890: 4820-01-124-3687. Verify interchangeability with system specifications before substitution.

What are the specifications of 2C8410-4?

Key specifications for 2C8410-4: Material: STEEL COMP 416 FLOW CONTROL DEVICE; Thread Class: 3A ALL ENDS A; Thread Direction: RIGHT-HAND ALL ENDS; Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-124-8890 still in active supply?

NSN 4820-00-124-8890 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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