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1/2-13UNC-2A X 1 1/2 INCHES — Technical Data Sheet

✓ 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 SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, thread_class: 2A A, fastener_length: 1.500 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, nominal_thread_diameter: 0.500 INCHES IN, thread_quantity_per_inch: 13. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System 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 INCHES
NSN: 5305-01-265-3777
FSC: 5305
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
thread_class2A A
fastener_length1.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND
nominal_thread_diameter0.500 INCHES IN
thread_quantity_per_inch13
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
nondefinitive_spec/std_data1 TYPE AND 400 GRADE
departure_from_cited_documentMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
criticality_code_justificationZZZW
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 INCHES · 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
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 25
5/8-11UNC-2A X 4 1/2 INCHESL1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
QQ-N-281 GRADE 400, CLASS AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
5/8-11UNC-2A X 4 1/2 INCHESInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
24573N PIECE 22InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1/2-13 UNC-2B,TYPE 1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-DTL-1222 TYPE IL1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1/2-13UNC-2A X 1 1/2 INCHES?
1/2-13UNC-2A X 1 1/2 INCHES is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 1/2-13UNC-2A X 1 1/2 INCHES?
There are 25 known substitutes for 1/2-13UNC-2A X 1 1/2 INCHES: 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 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1/2-13UNC-2A X 1 1/2 INCHES?
1/2-13UNC-2A X 1 1/2 INCHES is cataloged in the Federal Logistics Information System under NSN 5305-01-265-3777. This indicates validated use in U.S. government and defense supply chains.
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Last verified: October 2026