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Technical Data Sheet
PartsTable / COMPONENT / 7/16-20UNF-2B
7/16-20UNF-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 7/16-20UNF-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 5310-01-448-8280, 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
7/16-20UNF-2B
NSN: 5310-01-448-8280
FSC: 5310
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part Number7/16-20UNF-2B
NSN5310-01-448-8280
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7/16-20UNF-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
•
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
•
THREAD DIRECTION: RIGHT-HAND
•
MATERIAL: STEEL OVERALL
•
THREAD SERIES: UNF
•
THREAD QUANTITY PER INCH: 20
•
NOMINAL THREAD SIZE: 0.437 INCHES IN
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
END ITEM IDENTIFICATION4210-01-622-0440; 2320-01-652-5218 JOINT LIGHT TACTICAL VEHICLE (JLTV)
THREAD SERIESUNF
THREAD QUANTITY PER INCH20
NOMINAL THREAD SIZE0.437 INCHES IN
NUT STYLEHEXAGON
THREAD CLASS2B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
590-292Interchangeable
interchangeable cross-reference
interchangeable
114-345Interchangeable
interchangeable cross-reference
interchangeable
11750Interchangeable
interchangeable cross-reference
interchangeable
16292Interchangeable
interchangeable cross-reference
interchangeable
360-808Interchangeable
interchangeable cross-reference
interchangeable
W500-808Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7/16-20UNF-2B?
7/16-20UNF-2B is a 7/16-20UNF-2B.
What parts can replace 7/16-20UNF-2B?
There are 15 known substitutes for 7/16-20UNF-2B: 590-292, 114-345, 11750 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7/16-20UNF-2B?
7/16-20UNF-2B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-448-8280. 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