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PartsTable / COMPONENT / ASME B18.17
ASME B18.17 ✓ 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 ASME B18.17 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 5310-00-208-7250, 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
ASME B18.17
NSN: 5310-00-208-7250
FSC: 5310
CAGE: 05047 — THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS (USA)
SPECIFICATIONS
Part NumberASME B18.17
NSN5310-00-208-7250
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: ASME B18.17 · 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 DIRECTION: RIGHT-HAND
•
BODY DIAMETER: 0.687 INCHES NOMINAL IN
•
NUT STYLE: WING
•
THREAD QUANTITY PER INCH: 28
•
THREAD SERIES: UNF
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
BODY DIAMETER0.687 INCHES NOMINAL IN
OVERALL HEIGHT0.750 INCHES NOMINAL IN
NUT STYLEWING
THREAD QUANTITY PER INCH28
THREAD SERIESUNF
NOMINAL THREAD SIZE0.250 INCHES IN
THREAD CLASS2B
FABRICATION METHODFORGED
MATERIALCOPPER ALLOY OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
1636Interchangeable
interchangeable cross-reference
interchangeable
8531110Interchangeable
interchangeable cross-reference
interchangeable
864-900-002Interchangeable
interchangeable cross-reference
interchangeable
16362Interchangeable
interchangeable cross-reference
interchangeable
A18238PTA16362Interchangeable
interchangeable cross-reference
interchangeable
2ER431Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ASME B18.17?
ASME B18.17 is a ASME B18.17.
What parts can replace ASME B18.17?
There are 9 known substitutes for ASME B18.17: 1636, 8531110, 864-900-002 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ASME B18.17?
ASME B18.17 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-208-7250. 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