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Technical Data Sheet
PartsTable / COMPONENT / 5745-6-Z3
5745-6-Z3 ✓ 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,KEY is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-678-7581, 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
5745-6-Z3
NSN: 5310-01-678-7581
FSC: 5310
CAGE: 86928 — SEASTROM MANUFACTURING CO INC (USA)
SPECIFICATIONS
Part Number5745-6-Z3
NSN5310-01-678-7581
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5745-6-Z3 · 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 8
104922Interchangeable
interchangeable cross-reference
interchangeable
3244263Interchangeable
interchangeable cross-reference
interchangeable
3216465Interchangeable
interchangeable cross-reference
interchangeable
10859-2Interchangeable
interchangeable cross-reference
interchangeable
P136Interchangeable
interchangeable cross-reference
interchangeable
S5632CZH5P58LO2DB2.5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5745-6-Z3?
5745-6-Z3 is a WASHER,KEY.
What parts can replace 5745-6-Z3?
There are 8 known substitutes for 5745-6-Z3: 104922, 3244263, 3216465 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5745-6-Z3?
5745-6-Z3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-678-7581. 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