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PartsTable / COMPONENT / 5/8-11UNC STEEL
5/8-11UNC STEEL ✓ 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 5/8-11UNC STEEL is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-004-6946, 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
5/8-11UNC STEEL
NSN: 5310-01-004-6946
FSC: 5310
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
Part Number5/8-11UNC STEEL
NSN5310-01-004-6946
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5/8-11UNC STEEL · 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
•
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
•
NOMINAL THREAD SIZE: 0.625 INCHES IN
•
BEARING SURFACE FINISH: 125.0 MICROINCHES
•
COUNTERSINK ANGLE: 88.0 DEGREES NOMINAL NUT
•
THREAD DIRECTION: RIGHT-HAND
•
MATERIAL: PLASTIC POLYHEXAMETHYLENE AMIDE LOCKING INSERT
•
THREAD CLASS: 3B
TECHNICAL CHARACTERISTICS (FLIS)
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
NOMINAL THREAD SIZE0.625 INCHES IN
BEARING SURFACE FINISH125.0 MICROINCHES
COUNTERSINK ANGLE88.0 DEGREES NOMINAL NUT
THREAD DIRECTIONRIGHT-HAND
MATERIALPLASTIC POLYHEXAMETHYLENE AMIDE LOCKING INSERT
MATERIALNICKEL ALLOY 400 OR NICKEL ALLOY R-405 NUT
THREAD CLASS3B
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D4066,COMP A,TYPE 1 ASSN STD SINGLE MATERIAL RESPONSE LOCKING INSERT
THREAD QUANTITY PER INCH11
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
U9NE-101Interchangeable
interchangeable cross-reference
interchangeable
09NE101Interchangeable
interchangeable cross-reference
interchangeable
801-6408784 FIND 178Interchangeable
interchangeable cross-reference
interchangeable
302707 FIND 14Interchangeable
interchangeable cross-reference
interchangeable
60-08-0429L1Interchangeable
interchangeable cross-reference
interchangeable
QQ-N-281 CL BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5/8-11UNC STEEL?
5/8-11UNC STEEL is a 5/8-11UNC STEEL.
What parts can replace 5/8-11UNC STEEL?
There are 22 known substitutes for 5/8-11UNC STEEL: U9NE-101, 09NE101, 801-6408784 FIND 178 and 19 more. Substitute compatibility should be verified for your specific system.
Is 5/8-11UNC STEEL still available?
5/8-11UNC STEEL 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