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493-150 ✓ 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 5310-01-573-2088, 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
493-150
NSN: 5310-01-573-2088
FSC: 5310
CAGE: 4RPC2 — RISK INDUSTRIES LLC DBA PINES TECHNOLOGY DIV HEADQUARTERS (USA)
SPECIFICATIONS
Part Number493-150
NSN5310-01-573-2088
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 493-150 · 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 14
3137-1Interchangeable
interchangeable cross-reference
interchangeable
10059Interchangeable
interchangeable cross-reference
interchangeable
FS10103-1512Interchangeable
interchangeable cross-reference
interchangeable
1243327Interchangeable
interchangeable cross-reference
interchangeable
105MC-1969Interchangeable
interchangeable cross-reference
interchangeable
C6030Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 493-150?
493-150 is a WASHER,FLAT.
What parts can replace 493-150?
There are 14 known substitutes for 493-150: 3137-1, 10059, FS10103-1512 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 493-150?
493-150 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-573-2088. 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