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Technical Data Sheet
PartsTable / COMPONENT / 1/2-13 UNC 2B TY 1
1/2-13 UNC 2B TY 1 ✓ 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 1/2-13 UNC 2B TY 1 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 5310-01-386-0507, 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
1/2-13 UNC 2B TY 1
NSN: 5310-01-386-0507
FSC: 5310
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)
SPECIFICATIONS
Part Number1/2-13 UNC 2B TY 1
NSN5310-01-386-0507
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1/2-13 UNC 2B TY 1 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM B633 TY 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
NONDEFINITIVE SPEC/STD DATA: 2 GRADE
•
SURFACE TREATMENT: ZINC AND CHROMATE OVERALL
•
THREAD QUANTITY PER INCH: 13
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLEHEXAGON
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633 TY 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NONDEFINITIVE SPEC/STD DATA2 GRADE
SURFACE TREATMENTZINC AND CHROMATE OVERALL
THREAD QUANTITY PER INCH13
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
NOMINAL THREAD SIZE0.500 INCHES IN
NUT HEIGHT0.427 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
4322650Interchangeable
interchangeable cross-reference
interchangeable
124-4322650 PC 72Interchangeable
interchangeable cross-reference
interchangeable
124-7121006 PC70Interchangeable
interchangeable cross-reference
interchangeable
88-22790Interchangeable
interchangeable cross-reference
interchangeable
88-22790-1Interchangeable
interchangeable cross-reference
interchangeable
88-22790-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1/2-13 UNC 2B TY 1?
1/2-13 UNC 2B TY 1 is a 1/2-13 UNC 2B TY 1.
What parts can replace 1/2-13 UNC 2B TY 1?
There are 25 known substitutes for 1/2-13 UNC 2B TY 1: 4322650, 124-4322650 PC 72, 124-7121006 PC70 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1/2-13 UNC 2B TY 1?
1/2-13 UNC 2B TY 1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-386-0507. 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