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Technical Data Sheet
PartsTable / COMPONENT / 578220-21901
578220-21901 ✓ 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,PLAIN,HEXAGON is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-934-9759, 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
578220-21901
NSN: 5310-00-934-9759
FSC: 5310
CAGE: 81860 — HUTCHINSON AEROSPACE & INDUSTRY, INC. DBA BARRY WRIGHT CORP (USA)
SPECIFICATIONS
Part Number578220-21901
NSN5310-00-934-9759
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 578220-21901 · 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 29
587338Interchangeable
interchangeable cross-reference
interchangeable
FFN836GPCTYPE2STYLE1Interchangeable
interchangeable cross-reference
interchangeable
5310000587338Interchangeable
interchangeable cross-reference
interchangeable
311MFGInterchangeable
interchangeable cross-reference
interchangeable
86FT79Interchangeable
interchangeable cross-reference
interchangeable
P1310-33Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 578220-21901?
578220-21901 is a NUT,PLAIN,HEXAGON.
What parts can replace 578220-21901?
There are 29 known substitutes for 578220-21901: 587338, FFN836GPCTYPE2STYLE1, 5310000587338 and 26 more. Substitute compatibility should be verified for your specific system.
Is 578220-21901 still available?
578220-21901 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