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PartsTable / COMPONENT / 588D4
588D4 ✓ 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 1212 OR STEEL COMP 1115 OVERALL, nut_style: HEXAGON, nut_height: 0.875 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNS, 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 5310-00-350-7499, 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
588D4
NSN: 5310-00-350-7499
FSC: 5310
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialSTEEL COMP 1212 OR STEEL COMP 1115 OVERALL
nut_styleHEXAGON
nut_height0.875 INCHES NOMINAL IN
thread_class3B
thread_seriesUNS
thread_directionRIGHT-HAND
width_across_flats1.438 INCHES NOMINAL IN
nominal_thread_size1.000 INCHES IN
bearing_surface_typeFLAT
thread_quantity_per_inch14
material_document_and_classificationSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN5310-00-350-7499
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 588D4 · 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 DIRECTION: RIGHT-HAND
•
NUT STYLE: HEXAGON
•
NOMINAL THREAD SIZE: 1.000 INCHES IN
•
THREAD QUANTITY PER INCH: 14
•
BEARING SURFACE TYPE: FLAT
•
THREAD SERIES: UNS
•
THREAD CLASS: 3B
•
NUT HEIGHT: 0.875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
NUT STYLEHEXAGON
NOMINAL THREAD SIZE1.000 INCHES IN
THREAD QUANTITY PER INCH14
BEARING SURFACE TYPEFLAT
THREAD SERIESUNS
THREAD CLASS3B
NUT HEIGHT0.875 INCHES NOMINAL IN
WIDTH ACROSS FLATS1.438 INCHES NOMINAL IN
MATERIALSTEEL COMP 1212 OR STEEL COMP 1115 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
667071Interchangeable
interchangeable cross-reference
interchangeable
425-0010-000Interchangeable
interchangeable cross-reference
interchangeable
667071-000Interchangeable
interchangeable cross-reference
interchangeable
BB6113Interchangeable
Same NIIN cross-reference
interchangeable
365959Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 588D4?
588D4 is a NUT,PLAIN,HEXAGON.
What parts can replace 588D4?
There are 5 known substitutes for 588D4: 667071, 425-0010-000, 667071-000 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 588D4?
588D4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-350-7499. 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