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Technical Data Sheet
PartsTable / COMPONENT / 1/2-13UNC-2A X 1 1/2 INCHESL1
1/2-13UNC-2A X 1 1/2 INCHESL1 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The 1/2-13UNC-2A X 1 1/2 INCHESL1 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 5305-01-265-3777, 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-2A X 1 1/2 INCHESL1
NSN: 5305-01-265-3777
FSC: 5305
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
Part Number1/2-13UNC-2A X 1 1/2 INCHESL1
NSN5305-01-265-3777
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1/2-13UNC-2A X 1 1/2 INCHESL1 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FASTENER LENGTH: 1.500 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD QUANTITY PER INCH: 13
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
DEPARTURE FROM CITED DOCUMENT: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
•
MATERIAL: NICKEL ALLOY OVERALL
•
CRITICALITY CODE JUSTIFICATION: ZZZW
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
FASTENER LENGTH1.500 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH13
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
DEPARTURE FROM CITED DOCUMENTMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
MATERIALNICKEL ALLOY OVERALL
CRITICALITY CODE JUSTIFICATIONZZZW
NOMINAL THREAD DIAMETER0.500 INCHES IN
THREAD CLASS2A A
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 400 GRADE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
5/8-11UNC-2A X 4 1/2 INCHESL1Interchangeable
interchangeable cross-reference
interchangeable
QQ-N-281 GRADE 400, CLASS AInterchangeable
interchangeable cross-reference
interchangeable
5/8-11UNC-2A X 4 1/2 INCHESInterchangeable
interchangeable cross-reference
interchangeable
24573N PIECE 22Interchangeable
interchangeable cross-reference
interchangeable
1/2-13 UNC-2B,TYPE 1Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-1222 TYPE IL1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1/2-13UNC-2A X 1 1/2 INCHESL1?
1/2-13UNC-2A X 1 1/2 INCHESL1 is a 1/2-13UNC-2A X 1 1/2 INCHESL1.
What parts can replace 1/2-13UNC-2A X 1 1/2 INCHESL1?
There are 28 known substitutes for 1/2-13UNC-2A X 1 1/2 INCHESL1: 5/8-11UNC-2A X 4 1/2 INCHESL1, QQ-N-281 GRADE 400, CLASS A, 5/8-11UNC-2A X 4 1/2 INCHES and 25 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1/2-13UNC-2A X 1 1/2 INCHESL1?
1/2-13UNC-2A X 1 1/2 INCHESL1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-265-3777. 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