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 1/2-13UNC-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 5310-01-244-6546, 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
1/2-13UNC-2B
NSN:5310-01-244-6546 FSC:5310 CAGE:03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
Part Number
1/2-13UNC-2B
NSN
5310-01-244-6546
COMPONENT DIAGRAM
KEY FEATURES
•
NUT HEIGHT: 0.427 INCHES MINIMUM AND 0.488 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
THREAD QUANTITY PER INCH: 13
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
BEARING SURFACE TYPE: FLAT OR WASHER FACED
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS.
TECHNICAL CHARACTERISTICS (FLIS)
NUT HEIGHT
0.427 INCHES MINIMUM AND 0.488 INCHES MAXIMUM IN
THREAD DIRECTION
RIGHT-HAND
CRITICALITY CODE JUSTIFICATION
ZZZY
NOMINAL THREAD SIZE
0.500 INCHES IN
THREAD QUANTITY PER INCH
13
THREAD SERIES
UNIFIED NATIONAL COARSE (UNC)
BEARING SURFACE TYPE
FLAT OR WASHER FACED
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS.
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FREQUENTLY ASKED QUESTIONS
What is 1/2-13UNC-2B?
1/2-13UNC-2B is a 1/2-13UNC-2B.
What parts can replace 1/2-13UNC-2B?
There are 30 known substitutes for 1/2-13UNC-2B: 216-4363288MT-F44, MIL-S-1222/QQ-S-763, 000.500-13UNC-2B and 27 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1/2-13UNC-2B?
1/2-13UNC-2B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-244-6546. This indicates validated use in U.S. government and defense supply chains.
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