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Technical Data Sheet
PartsTable / COMPONENT / C-5526 IT36
C-5526 IT36 ✓ 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 WASHER,LOCK is a the manufacturer industrial component. Key specifications include criticality_code_justification: ZZZY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-269-8185, 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
C-5526 IT36
NSN: 5310-01-269-8185
FSC: 5310
CAGE: 94538 — PRATT HENRY CO (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
NSN5310-01-269-8185
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: C-5526 IT36 · 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
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
•
CRITICALITY CODE JUSTIFICATION: ZZZY
TECHNICAL CHARACTERISTICS (FLIS)
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
CRITICALITY CODE JUSTIFICATIONZZZY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
6557Interchangeable
interchangeable cross-reference
interchangeable
7964Interchangeable
interchangeable cross-reference
interchangeable
107E5825-1Interchangeable
interchangeable cross-reference
interchangeable
16KP243Interchangeable
interchangeable cross-reference
interchangeable
5306PL1495014Interchangeable
interchangeable cross-reference
interchangeable
G1921BH031C088NInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C-5526 IT36?
C-5526 IT36 is a WASHER,LOCK.
What parts can replace C-5526 IT36?
There are 18 known substitutes for C-5526 IT36: 6557, 7964, 107E5825-1 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C-5526 IT36?
C-5526 IT36 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-269-8185. 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