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Technical Data Sheet
PartsTable / COMPONENT / 502589
502589 ✓ Verified by PartsTable
— · PIPE SECTION
WHAT YOU NEED TO KNOW
Schedule = wall thickness, NOT diameter Nominal pipe size != actual OD
Sch 40 and Sch 80 same OD, different wall
PRODUCT OVERVIEW

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include seat_angle: 37.0 DEGREES FIRST END, temp_rating: -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF, thread_class: 3B FIRST END, vacuum_in_torr: 50.8, connection_type: THREADED INTERNAL TUBE FIRST END, inside_diameter: 0.406 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-776-8135, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
502589
NSN: 4720-00-776-8135
FSC: 4720
CAGE: 02978 — RENK AMERICA LLC DIV RENK AMERICA (USA)
SPECIFICATIONS
seat_angle37.0 DEGREES FIRST END
temp_rating-65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
thread_class3B FIRST END
vacuum_in_torr50.8
connection_typeTHREADED INTERNAL TUBE FIRST END
inside_diameter0.406 INCHES NOMINAL IN
connection_styleSWIVEL NUT FLARE FIRST END
outside_diameter0.766 INCHES NOMINAL IN
thread_directionRIGHT-HAND FIRST END
features_providedELECTROSTATIC DISCHARGE CAPABILITY AND REUSABLE END FITTINGS
operating_pressure2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
burst_test_pressure8000.0 POUNDS PER SQUARE INCH LBS
NSN4720-00-776-8135
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 502589 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FEATURES PROVIDED: ELECTROSTATIC DISCHARGE CAPABILITY AND REUSABLE END FITTINGS
•
NOMINAL THREAD SIZE: 0.750 INCHES FIRST END IN
•
SEAT ANGLE: 37.0 DEGREES FIRST END
•
OPERATING PRESSURE: 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
•
MEASURING METHOD AND LENGTH: 69.000 INCHES NOMINAL WORKING IN
•
CONNECTION TYPE: THREADED INTERNAL TUBE FIRST END
•
INSIDE DIAMETER: 0.406 INCHES NOMINAL IN
•
INSIDE SURFACE CONDITION: SMOOTH
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDELECTROSTATIC DISCHARGE CAPABILITY AND REUSABLE END FITTINGS
NOMINAL THREAD SIZE0.750 INCHES FIRST END IN
SEAT ANGLE37.0 DEGREES FIRST END
OPERATING PRESSURE2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
MEASURING METHOD AND LENGTH69.000 INCHES NOMINAL WORKING IN
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
INSIDE DIAMETER0.406 INCHES NOMINAL IN
INSIDE SURFACE CONDITIONSMOOTH
OUTSIDE DIAMETER0.766 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
MS28741-4-0062Interchangeable
interchangeable cross-reference
interchangeable
MIL-H-8795Interchangeable
interchangeable cross-reference
interchangeable
MS28741-10-0700Interchangeable
interchangeable cross-reference
interchangeable
360-10D0720Interchangeable
interchangeable cross-reference
interchangeable
88019-224-1Interchangeable
interchangeable cross-reference
interchangeable
MS28741-4-0080Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 502589?
502589 is a MICROCIRCUIT,DIGITAL.
What parts can replace 502589?
There are 24 known substitutes for 502589: MS28741-4-0062, MIL-H-8795, MS28741-10-0700 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 502589?
502589 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-776-8135. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026