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Technical Data Sheet
PartsTable / COMPONENT / A6421.014.102
A6421.014.102 ✓ 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 A6421.014.102 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-106-0336, 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
A6421.014.102
NSN: 5315-01-106-0336
FSC: 5315
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
Part NumberA6421.014.102
NSN5315-01-106-0336
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A6421.014.102 · 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
•
NOMINAL THREAD SIZE: 0.138 INCHES IN
•
PIN OVERALL LENGTH: 2.625 INCHES NOMINAL IN
•
THREAD LENGTH: 0.312 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 316 OVERALL
•
PIN GRIP LENGTH: 2.312 INCHES NOMINAL IN
•
PIN OVERALL DIAMETER: 0.1380 INCHES NOMINAL IN
•
FIRST END STYLE: SQUARE
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS AND CERTIFIED FREE FROM MERCURY CONTAMINATION
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.138 INCHES IN
PIN OVERALL LENGTH2.625 INCHES NOMINAL IN
THREAD LENGTH0.312 INCHES NOMINAL IN
MATERIALSTEEL COMP 316 OVERALL
PIN GRIP LENGTH2.312 INCHES NOMINAL IN
PIN OVERALL DIAMETER0.1380 INCHES NOMINAL IN
FIRST END STYLESQUARE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS AND CERTIFIED FREE FROM MERCURY CONTAMINATION
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
A6421-017-118Interchangeable
interchangeable cross-reference
interchangeable
A6421-014-102Interchangeable
interchangeable cross-reference
interchangeable
AG421-014-102Interchangeable
interchangeable cross-reference
interchangeable
9521 PIECE 11Interchangeable
Same NIIN cross-reference
interchangeable
9521-11Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A6421.014.102?
A6421.014.102 is a A6421.014.102.
What parts can replace A6421.014.102?
There are 5 known substitutes for A6421.014.102: A6421-017-118, A6421-014-102, AG421-014-102 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A6421.014.102?
A6421.014.102 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-106-0336. 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