PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 4300001-20
4300001-20 ✓ 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. Key specifications include material: STEEL CORROSION RESISTING OVERALL, thickness: 0.016 INCHES NOMINAL IN, hole_diameter: 0.080 INCHES NOMINAL IN, overall_diameter: 0.165 INCHES NOMINAL IN, surface_treatment: PASSIVATE OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-951-4386, 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
4300001-20
NSN: 5310-00-951-4386
FSC: 5310
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
thickness0.016 INCHES NOMINAL IN
hole_diameter0.080 INCHES NOMINAL IN
overall_diameter0.165 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-951-4386
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4300001-20 · 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
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
OVERALL DIAMETER: 0.165 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.080 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
THICKNESS: 0.016 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALSTEEL CORROSION RESISTING OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
OVERALL DIAMETER0.165 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER0.080 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
THICKNESS0.016 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
15120Interchangeable
interchangeable cross-reference
interchangeable
17122Interchangeable
interchangeable cross-reference
interchangeable
53007Interchangeable
interchangeable cross-reference
interchangeable
GA2UUFP0RM5PCT500VInterchangeable
interchangeable cross-reference
interchangeable
B82-2Interchangeable
interchangeable cross-reference
interchangeable
QC2PFPORM5PCTInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy 4300001-20?
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 4300001-20?
4300001-20 is a WASHER,FLAT.
What parts can replace 4300001-20?
There are 9 known substitutes for 4300001-20: 15120, 17122, 53007 and 6 more. Substitute compatibility should be verified for your specific system.
Is 4300001-20 still available?
4300001-20 is currently cancelled.
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 — 4300001-20

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