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Technical Data Sheet
53638 ✓ 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 HUB,WHEEL,VEHICULAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thread_class: 2B, thread_series: UNF, thread_direction: RIGHT-HAND, nominal_thread_size: 0.375 INCHES IN, functional_description: VEHICULAR WHEEL HUB ASSEMBLY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-198-4763, 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
53638
NSN: 5310-00-198-4763
FSC: 5310
CAGE: 02978 — RENK AMERICA LLC DIV RENK AMERICA (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class2B
thread_seriesUNF
thread_directionRIGHT-HAND
nominal_thread_size0.375 INCHES IN
functional_descriptionVEHICULAR WHEEL HUB ASSEMBLY
end_item_identificationAIR WHEELED VEHICLE
thread_quantity_per_inch24
NSN5310-00-198-4763
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 53638 · 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 QUANTITY PER INCH: 28
WIDTH ACROSS FLATS: 0.438 INCHES NOMINAL IN
BEARING SURFACE TYPE: CHAMFERED
NOMINAL THREAD SIZE: 0.250 INCHES IN
NUT HEIGHT: 0.322 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5610 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD SERIES: UNF
MATERIAL: STEEL COMP 416F OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH28
WIDTH ACROSS FLATS0.438 INCHES NOMINAL IN
BEARING SURFACE TYPECHAMFERED
NOMINAL THREAD SIZE0.250 INCHES IN
NUT HEIGHT0.322 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5610 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD SERIESUNF
MATERIALSTEEL COMP 416F OVERALL
LOCKING FEATUREFREE-RUNNING ALL METAL DESIGN
SURFACE TREATMENTCOPPER OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
53638Interchangeable
interchangeable cross-reference
interchangeable
68702Interchangeable
interchangeable cross-reference
interchangeable
560-006Interchangeable
interchangeable cross-reference
interchangeable
K53638Interchangeable
interchangeable cross-reference
interchangeable
536038Interchangeable
interchangeable cross-reference
interchangeable
SMB536038Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 53638?
53638 is a HUB,WHEEL,VEHICULAR.
What parts can replace 53638?
There are 9 known substitutes for 53638: 53638, 68702, 560-006 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 53638?
53638 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-198-4763. This indicates validated use in U.S. government and defense supply chains.
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