PartsTable
Technical Data Sheet
PartsTable / COMPONENT / ZB0511421
ZB0511421 ✓ 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,FLAT 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 5310-01-411-1636, 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
ZB0511421
NSN: 5310-01-411-1636
FSC: 5310
CAGE: Z5411 — ZODIAC MILPRO AUSTRALIA PTY LTD (AUS)
SPECIFICATIONS
Part NumberZB0511421
NSN5310-01-411-1636
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: ZB0511421 · 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 6
358A149Interchangeable
interchangeable cross-reference
interchangeable
1-8MMSInterchangeable
interchangeable cross-reference
interchangeable
106801Interchangeable
interchangeable cross-reference
interchangeable
511421Interchangeable
interchangeable cross-reference
interchangeable
166801Interchangeable
interchangeable cross-reference
interchangeable
15277Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy ZB0511421?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is ZB0511421?
ZB0511421 is a WASHER,FLAT.
What parts can replace ZB0511421?
There are 6 known substitutes for ZB0511421: 358A149, 1-8MMS, 106801 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ZB0511421?
ZB0511421 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-411-1636. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — ZB0511421

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026