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TR4436 ✓ 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 5310-00-160-9673, 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
TR4436
NSN: 5310-00-160-9673
FSC: 5310
CAGE: 0SAT8 — KOMATSU AMERICA CORP. (USA)
SPECIFICATIONS
Part NumberTR4436
NSN5310-00-160-9673
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: TR4436 · 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 17
T32230Interchangeable
interchangeable cross-reference
interchangeable
WF36Interchangeable
interchangeable cross-reference
interchangeable
120394Interchangeable
interchangeable cross-reference
interchangeable
1176J92-19Interchangeable
interchangeable cross-reference
interchangeable
9438083Interchangeable
interchangeable cross-reference
interchangeable
904291Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TR4436?
TR4436 is a WASHER,FLAT.
What parts can replace TR4436?
There are 17 known substitutes for TR4436: T32230, WF36, 120394 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for TR4436?
TR4436 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-160-9673. 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