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17601ITEM23 ✓ 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,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thread_series: UNIFIED NATIONAL COARSE (UNC), special_features: END ITEM:CVN-21 WATER PUMP,RESILIENT MOUNT ASSY,THREADS:1.00-8UNC, SELF LOCKING HEAVY HEX-HEAD STEEL GRADE-5. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-596-5053, 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
17601ITEM23
NSN: 5310-01-596-5053
FSC: 5310
CAGE: 62144 — PARKER HANNIFIN CORPORATION DIV VILLAGE MARINE TECH (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_seriesUNIFIED NATIONAL COARSE (UNC)
special_featuresEND ITEM:CVN-21 WATER PUMP,RESILIENT MOUNT ASSY,THREADS:1.00-8UNC, SELF LOCKING HEAVY HEX-HEAD STEEL GRADE-5
NSN5310-01-596-5053
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 17601ITEM23 · 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
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESEND ITEM:CVN-21 WATER PUMP,RESILIENT MOUNT ASSY,THREADS:1.00-8UNC, SELF LOCKING HEAVY HEX-HEAD STEEL GRADE-5
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
100-120Interchangeable
interchangeable cross-reference
interchangeable
4MHA007ITEM18Interchangeable
interchangeable cross-reference
interchangeable
UK10-104Interchangeable
interchangeable cross-reference
interchangeable
321-030-903Interchangeable
interchangeable cross-reference
interchangeable
Y5F-UK10-104Interchangeable
interchangeable cross-reference
interchangeable
RYDSMSDInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 17601ITEM23?
17601ITEM23 is a NUT,SELF-LOCKING,ROUND.
What parts can replace 17601ITEM23?
There are 17 known substitutes for 17601ITEM23: 100-120, 4MHA007ITEM18, UK10-104 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 17601ITEM23?
17601ITEM23 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-596-5053. 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