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Technical Data Sheet
PartsTable / COMPONENT / 108633-303
108633-303 ✓ 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 NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-815-0653, 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
108633-303
NSN: 5310-00-815-0653
FSC: 5310
CAGE: 37695 — RAYTHEON COMPANY (USA)
SPECIFICATIONS
Part Number108633-303
NSN5310-00-815-0653
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 108633-303 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
10535Interchangeable
interchangeable cross-reference
interchangeable
727736PHInterchangeable
interchangeable cross-reference
interchangeable
DY-127736Interchangeable
interchangeable cross-reference
interchangeable
AG-1035Interchangeable
interchangeable cross-reference
interchangeable
144967Interchangeable
interchangeable cross-reference
interchangeable
100.046Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 108633-303?
108633-303 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace 108633-303?
There are 21 known substitutes for 108633-303: 10535, 727736PH, DY-127736 and 18 more. Substitute compatibility should be verified for your specific system.
Is 108633-303 still available?
108633-303 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026