PartsTable
Technical Data Sheet
64D9 ✓ 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 NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OVERALL, nut_style: HEXAGON, nut_height: 0.473 INCHES MINIMUM AND 0.496 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNF, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-771-7468, 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
64D9
NSN: 5310-00-771-7468
FSC: 5310
CAGE: 89749 — CLARK MATERIAL HANDLING COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OVERALL
nut_styleHEXAGON
nut_height0.473 INCHES MINIMUM AND 0.496 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNF
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_across_flats0.8610 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
nominal_thread_size0.562 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
thread_quantity_per_inch18
material_document_and_classificationFED 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-771-7468
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 64D9 · 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: 18
THREAD SERIES: UNF
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
NOMINAL THREAD SIZE: 0.562 INCHES IN
THREAD CLASS: 2B
SURFACE TREATMENT: PASSIVATE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: FED 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH18
THREAD SERIESUNF
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
NOMINAL THREAD SIZE0.562 INCHES IN
THREAD CLASS2B
SURFACE TREATMENTPASSIVATE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONFED 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
WIDTH ACROSS FLATS0.8610 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
MATERIALSTEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
418293-26Interchangeable
interchangeable cross-reference
interchangeable
209760-12Interchangeable
interchangeable cross-reference
interchangeable
MS35233-26BInterchangeable
interchangeable cross-reference
interchangeable
MS35690-930Interchangeable
Same NIIN cross-reference
interchangeable
FF-N-836Interchangeable
Same NIIN cross-reference
interchangeable
MS51972-6Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 64D9?
64D9 is a NUT,PLAIN,HEXAGON.
What parts can replace 64D9?
There are 6 known substitutes for 64D9: 418293-26, 209760-12, MS35233-26B and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 64D9?
64D9 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-771-7468. This indicates validated use in U.S. government and defense supply chains.
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