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Technical Data Sheet
PartsTable / COMPONENT / 5249-186
5249-186 ✓ 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 5249-186 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 5310-01-243-7280, 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
5249-186
NSN: 5310-01-243-7280
FSC: 5310
CAGE: 05869 — RAYTHEON COMPANY DIV RMD STRATEGIC (USA)
SPECIFICATIONS
Part Number5249-186
NSN5310-01-243-7280
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5249-186 · 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 6
16712Interchangeable
interchangeable cross-reference
interchangeable
167-0012-001Interchangeable
interchangeable cross-reference
interchangeable
02907Interchangeable
interchangeable cross-reference
interchangeable
02907 PART NO 16712Interchangeable
interchangeable cross-reference
interchangeable
MIL-P-17577SYM2 150 1-32Interchangeable
interchangeable cross-reference
interchangeable
MIL-A-17472 3/1 6 IN THKInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5249-186?
5249-186 is a 5249-186.
What parts can replace 5249-186?
There are 6 known substitutes for 5249-186: 16712, 167-0012-001, 02907 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5249-186?
5249-186 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-243-7280. 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