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Technical Data Sheet
PartsTable / COMPONENT / 4173P11
4173P11 ✓ 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,SPLIT is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-275-9190, 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
4173P11
NSN: 5310-00-275-9190
FSC: 5310
CAGE: 27618 — TAYLOR MACHINE WORKS INC (USA)
SPECIFICATIONS
Part Number4173P11
NSN5310-00-275-9190
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4173P11 · 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 20
A1663Interchangeable
interchangeable cross-reference
interchangeable
45550-024-01Interchangeable
interchangeable cross-reference
interchangeable
Z86PCA1663Interchangeable
interchangeable cross-reference
interchangeable
70725Interchangeable
interchangeable cross-reference
interchangeable
71-20021-02Interchangeable
interchangeable cross-reference
interchangeable
LT4K255Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4173P11?
4173P11 is a WASHER,SPLIT.
What parts can replace 4173P11?
There are 20 known substitutes for 4173P11: A1663, 45550-024-01, Z86PCA1663 and 17 more. Substitute compatibility should be verified for your specific system.
Is 4173P11 still available?
4173P11 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026