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F9 ✓ 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 SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_length: 1.000 INCHES NOMINAL IN, nut_diameter: 0.875 INCHES NOMINAL IN, thread_class: 2B, overall_width: 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN, alignment_type: RIGID. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-146-8815, 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
F9
NSN: 5310-00-146-8815
FSC: 5310
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_length1.000 INCHES NOMINAL IN
nut_diameter0.875 INCHES NOMINAL IN
thread_class2B
overall_width0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
alignment_typeRIGID
boss_thickness0.375 INCHES NOMINAL OVERALL IN
overall_height0.6250 INCHES NOMINAL IN
surface_finishGROUND
voltage_rating28.000 VOLTS NOMINAL
wattage_rating45.000 WATTS
inside_diameter2.219 INCHES MINIMUM AND 2.422 INCHES MAXIMUM IN
NSN5310-00-146-8815
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: F9 · 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: 2B
•
BOSS THICKNESS: 0.375 INCHES NOMINAL OVERALL IN
•
NUT DIAMETER: 0.875 INCHES NOMINAL IN
•
BOSS WIDTH ACROSS FLATS: 0.500 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
NUT LENGTH: 1.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2B
BOSS THICKNESS0.375 INCHES NOMINAL OVERALL IN
NUT DIAMETER0.875 INCHES NOMINAL IN
BOSS WIDTH ACROSS FLATS0.500 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NUT LENGTH1.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
LEATHERInterchangeable
interchangeable cross-reference
interchangeable
F9Interchangeable
interchangeable cross-reference
interchangeable
601308Interchangeable
interchangeable cross-reference
interchangeable
J208Interchangeable
interchangeable cross-reference
interchangeable
J308Interchangeable
interchangeable cross-reference
interchangeable
WW-C-440Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F9?
F9 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace F9?
There are 7 known substitutes for F9: LEATHER, F9, 601308 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for F9?
F9 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-146-8815. 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