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PartsTable / COMPONENT / 3689 FIND 9
3689 FIND 9 ✓ 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: NICKEL ALLOY 400 OVERALL, first_end_style: OVAL, pin_overall_length: 0.750 INCHES NOMINAL IN, pin_overall_diameter: 0.1880 INCHES NOMINAL IN, material_document_and_classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL, 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 5315-01-318-9173, 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
3689 FIND 9
NSN: 5315-01-318-9173
FSC: 5315
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400 OVERALL
first_end_styleOVAL
pin_overall_length0.750 INCHES NOMINAL IN
pin_overall_diameter0.1880 INCHES NOMINAL IN
material_document_and_classificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
NSN5315-01-318-9173
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3689 FIND 9 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: NICKEL ALLOY 400 OVERALL
•
PIN OVERALL LENGTH: 0.750 INCHES NOMINAL IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
PIN OVERALL DIAMETER: 0.1880 INCHES NOMINAL IN
•
FIRST END STYLE: OVAL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY 400 OVERALL
PIN OVERALL LENGTH0.750 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
PIN OVERALL DIAMETER0.1880 INCHES NOMINAL IN
FIRST END STYLEOVAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
A-A-59158Interchangeable
interchangeable cross-reference
interchangeable
AS59158Interchangeable
interchangeable cross-reference
interchangeable
3601-6Interchangeable
interchangeable cross-reference
interchangeable
36926Interchangeable
interchangeable cross-reference
interchangeable
683893Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3689 FIND 9?
3689 FIND 9 is a PIN,STRAIGHT,HEADLESS.
What parts can replace 3689 FIND 9?
There are 5 known substitutes for 3689 FIND 9: A-A-59158, AS59158, 3601-6 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3689 FIND 9?
3689 FIND 9 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-318-9173. 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