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PartsTable / COMPONENT / 241664
241664 ✓ 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,CASTELLATED,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: CASTELLATED, HEXAGON, nut_height: 0.875 INCHES NOMINAL IN, thread_class: 3B, thread_series: UN, thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-024-9749, 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
241664
NSN: 5310-01-024-9749
FSC: 5310
CAGE: 30076 — HYSTER-YALE GROUP, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleCASTELLATED, HEXAGON
nut_height0.875 INCHES NOMINAL IN
thread_class3B
thread_seriesUN
thread_directionRIGHT-HAND
width_across_flats2.500 INCHES NOMINAL IN
nominal_thread_size1.750 INCHES IN
bearing_surface_typeWASHER FACED
end_item_identificationNIMITZ CLASS CVN,TRUCK, M-915 SERIES, M-916A1 (LET),SHIPBOARD MATERIAL HANDLING EQUIPMENT (MHE),CRANE, TRUCK MOUNTED; HYL 25-TON CAT (CCE)
thread_quantity_per_inch12
material_document_and_classificationB14 GRADE 8 FSCM 93543 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-024-9749
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 241664 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: B14 GRADE 8 FSCM 93543 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD QUANTITY PER INCH: 12
•
NOMINAL THREAD SIZE: 1.750 INCHES IN
•
WIDTH ACROSS FLATS: 2.500 INCHES NOMINAL IN
•
THREAD CLASS: 3B
•
NUT HEIGHT: 0.875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONB14 GRADE 8 FSCM 93543 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH12
NOMINAL THREAD SIZE1.750 INCHES IN
WIDTH ACROSS FLATS2.500 INCHES NOMINAL IN
THREAD CLASS3B
NUT HEIGHT0.875 INCHES NOMINAL IN
THREAD SERIESUN
NUT STYLECASTELLATED, HEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
13003Interchangeable
interchangeable cross-reference
interchangeable
179795Interchangeable
interchangeable cross-reference
interchangeable
02236Interchangeable
interchangeable cross-reference
interchangeable
13412Interchangeable
interchangeable cross-reference
interchangeable
2188283-2Interchangeable
interchangeable cross-reference
interchangeable
1455-CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 241664?
241664 is a NUT,PLAIN,CASTELLATED,HEXAGON.
What parts can replace 241664?
There are 16 known substitutes for 241664: 13003, 179795, 02236 and 13 more. Substitute compatibility should be verified for your specific system.
Is 241664 still available?
241664 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026