PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 5/8-11UNC2B
5/8-11UNC2B ✓ 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 5/8-11UNC2B is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-014-7134, 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
5/8-11UNC2B
NSN: 5310-01-014-7134
FSC: 5310
CAGE: 80406 — BETHLEHEM STEEL CORP (USA)
SPECIFICATIONS
Part Number5/8-11UNC2B
NSN5310-01-014-7134
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5/8-11UNC2B · 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 HEIGHT: 0.609 INCHES NOMINAL IN
•
NUT STYLE: HEXAGON
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
NOMINAL THREAD SIZE: 0.625 INCHES IN
•
BEARING SURFACE TYPE: CHAMFERED
•
THREAD QUANTITY PER INCH: 11
•
WIDTH ACROSS FLATS: 1.062 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
NUT HEIGHT0.609 INCHES NOMINAL IN
NUT STYLEHEXAGON
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD SIZE0.625 INCHES IN
BEARING SURFACE TYPECHAMFERED
THREAD QUANTITY PER INCH11
WIDTH ACROSS FLATS1.062 INCHES NOMINAL IN
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
214-4364090ITEM34Interchangeable
interchangeable cross-reference
interchangeable
0.62511UNC2BT1G5NSBAMInterchangeable
interchangeable cross-reference
interchangeable
0.62511UNC2BT1G2HNSBAMInterchangeable
interchangeable cross-reference
interchangeable
ASTM-A194 GRADE 7Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-1222, TYPE IL1Interchangeable
interchangeable cross-reference
interchangeable
D-1903L1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy 5/8-11UNC2B?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 5/8-11UNC2B?
5/8-11UNC2B is a 5/8-11UNC2B.
What parts can replace 5/8-11UNC2B?
There are 14 known substitutes for 5/8-11UNC2B: 214-4364090ITEM34, 0.62511UNC2BT1G5NSBAM, 0.62511UNC2BT1G2HNSBAM and 11 more. Substitute compatibility should be verified for your specific system.
Is 5/8-11UNC2B still available?
5/8-11UNC2B is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 5/8-11UNC2B

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026