PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J417-4SS-5Valve,check

Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit · NSN 4820-00-682-0610 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-682-0610 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-682-0610. Primary manufacturer part number: J417-4SS-5.
Features
  • Valve,check — FSC 4820
  • Thread Class: 3A ALL ENDS A
  • Disk Loading Method: SPRING
  • Connection Style: FLARELESS ALL ENDS
  • Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
  • Material: STEEL COMP 303 OVERALL
  • Seat Angle: 12.0 DEGREES ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Valve,check, cataloged under National Stock Number 4820-00-682-0610, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 5 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
NSN4820-00-682-0610
Primary Part NumberJ417-4SS-5
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTeledyne Industries Inc Teledyne Fluid Systems Republic Business Unit
StatusACTIVE
Thread Class3A ALL ENDS A
Disk Loading MethodSPRING
Connection StyleFLARELESS ALL ENDS
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
MaterialSTEEL COMP 303 OVERALL
Seat Angle12.0 DEGREES ALL ENDS
Style DesignatorSTRAIGHT THRU
Nominal Thread Size0.438 INCHES ALL ENDS IN
Surface TreatmentPASSIVATE
Material Document and ClassificationQQ-S-764,TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Specification/standard Data96906-MS24423-4 GOVERNMENT STANDARD
Opening Pressure Setting5.0 POUNDS PER SQUARE INCH LBS
Test Data Document81349-MIL-V-25675 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Surface Treatment Document and ClassificationMIL-STD-171,FINISH 5.4.1 MIL STD SINGLE TREATMENT RESPONSE
Media for Which DesignedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
Mounting PositionHORIZONTAL OR VERTICAL
Connection TypeTHREADED EXTERNAL TUBE ALL ENDS
Thread DirectionRIGHT-HAND ALL ENDS
Flow Control DevicePOPPET
Valve Operation MethodAUTOMATIC
Maximum Operating Temp450.0 FAHRENHEIT SINGLE RESPONSE DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-045-7414 INTERCHANGEABLE
Valve,check
4820-00-045-7415 INTERCHANGEABLE
Valve,check
4820-00-121-1964 INTERCHANGEABLE
Valve,check
4820-00-402-5133 INTERCHANGEABLE
Valve,check
4820-00-403-56892C4310 INTERCHANGEABLE
Valve,check
Crissair Inc Div Esco Technologies
4820-00-457-3576 INTERCHANGEABLE
Valve,check
4820-00-494-8174 INTERCHANGEABLE
Valve,check
4820-00-781-7459 INTERCHANGEABLE
Valve,check
4820-00-835-0137 INTERCHANGEABLE
Valve,check
4820-00-853-6864 INTERCHANGEABLE
Valve,check
Cross-Reference Index
Part NumberManufacturer
J417-4SS-5 Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA)
MIL-V-25675 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-25675 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
4820PL1676295 Jednolity Indeks Materialowy - Uniform Material Index (POL)
M25675-4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
417-455-5 Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA)
J417A-4SS-5 Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA)
417-4SS-5 Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA)
2C4340 Crissair Inc Div Esco Technologies (USA)
Related Parts
4820-00-045-7414INTERCHANGEABLE
VALVE,CHECK
4820-00-045-7415INTERCHANGEABLE
VALVE,CHECK
4820-00-121-1964INTERCHANGEABLE
VALVE,CHECK
4820-00-402-5133INTERCHANGEABLE
VALVE,CHECK
4820-00-403-5689INTERCHANGEABLE
VALVE,CHECK
2C4310
4820-00-457-3576INTERCHANGEABLE
VALVE,CHECK
4820-00-494-8174INTERCHANGEABLE
VALVE,CHECK
4820-00-781-7459INTERCHANGEABLE
VALVE,CHECK
4820-00-835-0137INTERCHANGEABLE
VALVE,CHECK
4820-00-853-6864INTERCHANGEABLE
VALVE,CHECK
4820-00-903-1126INTERCHANGEABLE
VALVE,CHECK
4820-00-903-3755INTERCHANGEABLE
VALVE,CHECK

Frequently Asked Questions

What is NSN 4820-00-682-0610?

NSN 4820-00-682-0610 is a Valve,check, manufactured by Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-682-0610?

NSN 4820-00-682-0610 has 9 cross-referenced part numbers: J417-4SS-5 (Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit), MIL-V-25675 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-25675 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 4820PL1676295 (Jednolity Indeks Materialowy - Uniform Material Index), M25675-4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 4 more.

What NSN replaces 4820-00-682-0610?

There are 12 known substitutes for 4820-00-682-0610: 4820-00-045-7414, 4820-00-045-7415, 4820-00-121-1964 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of J417-4SS-5?

Key specifications for J417-4SS-5: Thread Class: 3A ALL ENDS A; Disk Loading Method: SPRING; Connection Style: FLARELESS ALL ENDS; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 22 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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