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Technical Data Sheet
PartsTable / COMPONENT / EA8434
EA8434 ✓ 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 PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL, first_end_style: SQUARE, special_features: BREAK EDGE ONE END 0.02 IN. AND OPPOSITE END 30 DEG SO VERY END MEASURES 0.120 IN.

DIA IN, pin_overall_length: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, pin_overall_diameter: 0.2490 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM IN, second_end_relationship_with_first_end: IDENTICAL. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-257-7512, 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
EA8434
NSN: 5315-01-257-7512
FSC: 5315
CAGE: 07282 — FAIRCHILD INDUSTRIAL PRODUCTS COMPANY (USA)
SPECIFICATIONS
materialPLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL
first_end_styleSQUARE
special_featuresBREAK EDGE ONE END 0.02 IN. AND OPPOSITE END 30 DEG SO VERY END MEASURES 0.120 IN. DIA IN
pin_overall_length0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
pin_overall_diameter0.2490 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM IN
second_end_relationship_with_first_endIDENTICAL
NSN5315-01-257-7512
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: EA8434 · 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
•
PIN OVERALL LENGTH: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
•
FIRST END STYLE: SQUARE
•
MATERIAL: PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
PIN OVERALL DIAMETER: 0.2490 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
PIN OVERALL LENGTH0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
FIRST END STYLESQUARE
MATERIALPLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
SPECIAL FEATURESBREAK EDGE ONE END 0.02 IN. AND OPPOSITE END 30 DEG SO VERY END MEASURES 0.120 IN. DIA IN
PIN OVERALL DIAMETER0.2490 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
M49285/28Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-49285/28Interchangeable
interchangeable cross-reference
interchangeable
84-3-4Interchangeable
interchangeable cross-reference
interchangeable
5B110-1Interchangeable
interchangeable cross-reference
interchangeable
9789939Interchangeable
interchangeable cross-reference
interchangeable
T-8434Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is EA8434?
EA8434 is a PIN,STRAIGHT,HEADLESS.
What parts can replace EA8434?
There are 12 known substitutes for EA8434: M49285/28, MIL-DTL-49285/28, 84-3-4 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for EA8434?
EA8434 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-257-7512. 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