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PartsTable / COMPONENT / B18.2.2 TABLE 3 5/8-11UNC-2B
B18.2.2 TABLE 3 5/8-11UNC-2B ✓ 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 B18.2.2 TABLE 3 5/8-11UNC-2B 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 5310-01-466-4092, 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
B18.2.2 TABLE 3 5/8-11UNC-2B
NSN: 5310-01-466-4092
FSC: 5310
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)
SPECIFICATIONS
Part NumberB18.2.2 TABLE 3 5/8-11UNC-2B
NSN5310-01-466-4092
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: B18.2.2 TABLE 3 5/8-11UNC-2B · 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
•
MATERIAL: STEEL OVERALL
•
NUT STYLE: HEXAGON
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
NOMINAL THREAD SIZE: 0.625 INCHES IN
•
THREAD QUANTITY PER INCH: 11
•
BEARING SURFACE TYPE: CHAMFERED
•
WIDTH ACROSS FLATS: 0.922 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
•
NUT HEIGHT: 0.535 INCHES MINIMUM AND 0.559 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
NUT STYLEHEXAGON
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD SIZE0.625 INCHES IN
THREAD QUANTITY PER INCH11
BEARING SURFACE TYPECHAMFERED
WIDTH ACROSS FLATS0.922 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
NUT HEIGHT0.535 INCHES MINIMUM AND 0.559 INCHES MAXIMUM IN
THREAD CLASS2B
END ITEM IDENTIFICATIONEPP III (ELEC POWER PLANT)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
FF-N-836 TY2ST4CL2BInterchangeable
interchangeable cross-reference
interchangeable
0331 34Interchangeable
interchangeable cross-reference
interchangeable
10D12Interchangeable
interchangeable cross-reference
interchangeable
16A4C2Interchangeable
interchangeable cross-reference
interchangeable
012316-8Interchangeable
interchangeable cross-reference
interchangeable
FFS836Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B18.2.2 TABLE 3 5/8-11UNC-2B?
B18.2.2 TABLE 3 5/8-11UNC-2B is a B18.2.2 TABLE 3 5/8-11UNC-2B.
What parts can replace B18.2.2 TABLE 3 5/8-11UNC-2B?
There are 28 known substitutes for B18.2.2 TABLE 3 5/8-11UNC-2B: FF-N-836 TY2ST4CL2B, 0331 34, 10D12 and 25 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B18.2.2 TABLE 3 5/8-11UNC-2B?
B18.2.2 TABLE 3 5/8-11UNC-2B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-466-4092. 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