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PartsTable / COMPONENT / K618747-11
K618747-11 ✓ 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,HOLLOW is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, first_end_style: SQUARE, inside_diameter: 0.221 INCHES NOMINAL IN, pin_overall_length: 3.250 INCHES NOMINAL IN, pin_overall_diameter: 1.2490 INCHES MINIMUM AND 1.2500 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 5315-00-138-6189, 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
K618747-11
NSN: 5315-00-138-6189
FSC: 5315
CAGE: 84955 — KAMAN AEROSPACE CORPORATION DBA AIR VEHICLES & MRO DIVISION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
first_end_styleSQUARE
inside_diameter0.221 INCHES NOMINAL IN
pin_overall_length3.250 INCHES NOMINAL IN
pin_overall_diameter1.2490 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-138-6189
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: K618747-11 · 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 DIAMETER: 1.2490 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 0.221 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
PIN OVERALL LENGTH: 3.250 INCHES NOMINAL IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
FIRST END STYLE: SQUARE
TECHNICAL CHARACTERISTICS (FLIS)
PIN OVERALL DIAMETER1.2490 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
INSIDE DIAMETER0.221 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING OVERALL
PIN OVERALL LENGTH3.250 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
FIRST END STYLESQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
3866N768Interchangeable
interchangeable cross-reference
interchangeable
73242Interchangeable
interchangeable cross-reference
interchangeable
B107.500Interchangeable
interchangeable cross-reference
interchangeable
B107.19 TY2CL2STAInterchangeable
interchangeable cross-reference
interchangeable
GGG-P-480 TY2CL2STASZ2-2-1Interchangeable
interchangeable cross-reference
interchangeable
SW7324-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is K618747-11?
K618747-11 is a PIN,HOLLOW.
What parts can replace K618747-11?
There are 7 known substitutes for K618747-11: 3866N768, 73242, B107.500 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for K618747-11?
K618747-11 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-138-6189. 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