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PartsTable / COMPONENT / N13399PC4255
N13399PC4255 ✓ 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,CAP is a the manufacturer industrial component. Key specifications include nut_style: CAP, nut_height: 4.000 INCHES NOMINAL IN, thread_class: 3B, thread_direction: RIGHT-HAND, bearing_surface_type: CHAMFERED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-394-6439, 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
N13399PC4255
NSN: 5310-00-394-6439
FSC: 5310
CAGE: 81601 — NORFOLK NAVAL SHIPYARD (USA)
SPECIFICATIONS
nut_styleCAP
nut_height4.000 INCHES NOMINAL IN
thread_class3B
thread_directionRIGHT-HAND
bearing_surface_typeCHAMFERED
NSN5310-00-394-6439
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: N13399PC4255 · 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 CLASS: 3B
•
BEARING SURFACE TYPE: CHAMFERED
•
NUT STYLE: CAP
•
NUT HEIGHT: 4.000 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3B
BEARING SURFACE TYPECHAMFERED
NUT STYLECAP
NUT HEIGHT4.000 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
4255Interchangeable
interchangeable cross-reference
interchangeable
4070CInterchangeable
interchangeable cross-reference
interchangeable
25953-2-13Interchangeable
interchangeable cross-reference
interchangeable
5210-00-221-2091Interchangeable
interchangeable cross-reference
interchangeable
53123Interchangeable
interchangeable cross-reference
interchangeable
7995749Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N13399PC4255?
N13399PC4255 is a NUT,PLAIN,CAP.
What parts can replace N13399PC4255?
There are 14 known substitutes for N13399PC4255: 4255, 4070C, 25953-2-13 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N13399PC4255?
N13399PC4255 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-394-6439. 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