PartsTable
Technical Data Sheet
56385 ✓ Verified by PartsTable
· NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The TUBE ASSEMBLY,METAL is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING SINGLE END, design_form: PREBENT, thread_class: 3B SINGLE END, wall_thickness: 0.028 INCHES NOMINAL IN, thread_direction: RIGHT-HAND SINGLE END, seat_angle_in_deg: 45.0 SINGLE END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-185-6375, 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
56385
NSN: 5310-00-185-6375
FSC: 5310
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING SINGLE END
design_formPREBENT
thread_class3B SINGLE END
wall_thickness0.028 INCHES NOMINAL IN
thread_directionRIGHT-HAND SINGLE END
seat_angle_in_deg45.0 SINGLE END
mating_end_quantity2 SINGLE END
nominal_thread_size0.562 INCHES SINGLE END IN
end_connection_styleSWIVEL NUT WITH LOOSE OR INTEGRAL CLINCH SLEEVE SINGLE END
tube_outside_diameter0.375 INCHES NOMINAL IN
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) SINGLE END
material_document_and_classificationMIL-T-8504 MIL SPEC SINGLE MATERIAL RESPONSE TUBING
NSN5310-00-185-6375
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 56385 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
THREAD PITCH DIAMETERS: +3.8639 TO 3.8713 INCHES IN
HARDNESS RATING: 66.0 ROCKWELL B MINIMUM AND 92.0 ROCKWELL B MAXIMUM
THREAD QUANTITY PER INCH: 12
THREAD SERIES: UNS
NOMINAL THREAD SIZE: 3.918 INCHES IN
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 1 CLASS
THREAD DIRECTION: RIGHT-HAND
NUT DIAMETER: 5.1875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD PITCH DIAMETERS+3.8639 TO 3.8713 INCHES IN
HARDNESS RATING66.0 ROCKWELL B MINIMUM AND 92.0 ROCKWELL B MAXIMUM
THREAD QUANTITY PER INCH12
THREAD SERIESUNS
NOMINAL THREAD SIZE3.918 INCHES IN
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 1 CLASS
THREAD DIRECTIONRIGHT-HAND
NUT DIAMETER5.1875 INCHES NOMINAL IN
DRIVE POINT QUANTITY4
DRIVE POINT WIDTH0.375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
38246Z10Interchangeable
interchangeable cross-reference
interchangeable
NP2T2Interchangeable
interchangeable cross-reference
interchangeable
HH-I-435Interchangeable
interchangeable cross-reference
interchangeable
M3786-8-137Interchangeable
interchangeable cross-reference
interchangeable
3824-6Interchangeable
interchangeable cross-reference
interchangeable
MS35923-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 56385?
56385 is a TUBE ASSEMBLY,METAL.
What parts can replace 56385?
There are 21 known substitutes for 56385: 38246Z10, NP2T2, HH-I-435 and 18 more. Substitute compatibility should be verified for your specific system.
Is 56385 still available?
56385 is currently cancelled.
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