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Technical Data Sheet
PartsTable / COMPONENT / 3/8-16UNC2
3/8-16UNC2 ✓ 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 3/8-16UNC2 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 5310-00-272-5698, 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
3/8-16UNC2
NSN: 5310-00-272-5698
FSC: 5310
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
Part Number3/8-16UNC2
NSN5310-00-272-5698
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3/8-16UNC2 · 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
•
NUT STYLE: HEXAGON
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
THREAD QUANTITY PER INCH: 16
•
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
NUT HEIGHT: 0.210 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND A STYLE AND B STYLE
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLEHEXAGON
NOMINAL THREAD SIZE0.375 INCHES IN
THREAD QUANTITY PER INCH16
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NUT HEIGHT0.210 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
NONDEFINITIVE SPEC/STD DATA2 TYPE AND A STYLE AND B STYLE
MATERIALNICKEL ALLOY 400 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
50484Interchangeable
interchangeable cross-reference
interchangeable
72196Interchangeable
interchangeable cross-reference
interchangeable
162213R1Interchangeable
interchangeable cross-reference
interchangeable
1953021Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-1222Interchangeable
Same NIIN cross-reference
interchangeable
AB722-0092-000 PIECE 79Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3/8-16UNC2?
3/8-16UNC2 is a 3/8-16UNC2.
What parts can replace 3/8-16UNC2?
There are 10 known substitutes for 3/8-16UNC2: 50484, 72196, 162213R1 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3/8-16UNC2?
3/8-16UNC2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-272-5698. 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