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1A4693 ✓ 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: STEEL OVERALL, first_end_style: CHAMFERED, pin_overall_length: 3.062 INCHES NOMINAL IN, first_hole_diameter: 0.125 INCHES NOMINAL IN, pin_overall_diameter: 0.3105 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN, second_hole_diameter: 0.125 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-193-6459, 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
1A4693
NSN: 5315-00-193-6459
FSC: 5315
CAGE: 95201 — NAPCO INTERNATIONAL LLC DBA NAPCO INTERNATIONAL INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
first_end_styleCHAMFERED
pin_overall_length3.062 INCHES NOMINAL IN
first_hole_diameter0.125 INCHES NOMINAL IN
pin_overall_diameter0.3105 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
second_hole_diameter0.125 INCHES NOMINAL IN
first_end_taper_angle30.0 DEGREES NOMINAL
first_end_taper_length0.094 INCHES NOMINAL IN
hole_arrangement_styleBOTH END DRILLED
material_document_and_classificationCOMP 1112 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
center_to_center_distance_between_holes2.531 INCHES NOMINAL IN
NSN5315-00-193-6459
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1A4693 · 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
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
FIRST END TAPER LENGTH: 0.094 INCHES NOMINAL IN
•
PIN OVERALL DIAMETER: 0.3105 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
•
PIN OVERALL LENGTH: 3.062 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN HOLES: 2.531 INCHES NOMINAL IN
•
FIRST HOLE DIAMETER: 0.125 INCHES NOMINAL IN
•
FIRST END STYLE: CHAMFERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: COMP 1112 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
FIRST END TAPER LENGTH0.094 INCHES NOMINAL IN
PIN OVERALL DIAMETER0.3105 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
PIN OVERALL LENGTH3.062 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN HOLES2.531 INCHES NOMINAL IN
FIRST HOLE DIAMETER0.125 INCHES NOMINAL IN
FIRST END STYLECHAMFERED
MATERIAL DOCUMENT AND CLASSIFICATIONCOMP 1112 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN0.266 INCHES NOMINAL IN
SECOND HOLE DIAMETER0.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
B5157Interchangeable
interchangeable cross-reference
interchangeable
201979Interchangeable
interchangeable cross-reference
interchangeable
67AX46Interchangeable
interchangeable cross-reference
interchangeable
26X96Interchangeable
interchangeable cross-reference
interchangeable
38159Interchangeable
interchangeable cross-reference
interchangeable
3815900Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1A4693?
1A4693 is a PIN,STRAIGHT,HEADLESS.
What parts can replace 1A4693?
There are 9 known substitutes for 1A4693: B5157, 201979, 67AX46 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1A4693?
1A4693 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-193-6459. 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