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Technical Data Sheet
PartsTable / COMPONENT / 0.625-11UNC-3A X 1.500
0.625-11UNC-3A X 1.500 ✓ 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 0.625-11UNC-3A X 1.500 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 5305-01-432-7522, 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
0.625-11UNC-3A X 1.500
NSN: 5305-01-432-7522
FSC: 5305
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part Number0.625-11UNC-3A X 1.500
NSN5305-01-432-7522
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 0.625-11UNC-3A X 1.500 · 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
•
THREAD CLASS: 3A A
•
THREAD QUANTITY PER INCH: 11
•
DEPARTURE FROM CITED DESIGNATOR: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
CRITICALITY CODE JUSTIFICATION: ZZZX
•
MATERIAL: NICKEL ALLOY OVERALL
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESSCREW, CAP, SOCKET HEAD, SELF LOCKING (REQUESTED NAME)
THREAD CLASS3A A
THREAD QUANTITY PER INCH11
DEPARTURE FROM CITED DESIGNATORMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
CRITICALITY CODE JUSTIFICATIONZZZX
MATERIALNICKEL ALLOY OVERALL
NOMINAL THREAD DIAMETER0.625 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 GR500 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
FASTENER LENGTH1.500 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
MIL-DTL-1222 TYPE IVInterchangeable
interchangeable cross-reference
interchangeable
QQ-N-286 GR500L1Interchangeable
interchangeable cross-reference
interchangeable
3/4-10UNC-3A X 2 7/8Interchangeable
interchangeable cross-reference
interchangeable
LENGTH 2.192+/-.020(.30+/-.005L1Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-1222L1Interchangeable
interchangeable cross-reference
interchangeable
258760 ITEM 78Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0.625-11UNC-3A X 1.500?
0.625-11UNC-3A X 1.500 is a 0.625-11UNC-3A X 1.500.
What parts can replace 0.625-11UNC-3A X 1.500?
There are 27 known substitutes for 0.625-11UNC-3A X 1.500: MIL-DTL-1222 TYPE IV, QQ-N-286 GR500L1, 3/4-10UNC-3A X 2 7/8 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 0.625-11UNC-3A X 1.500?
0.625-11UNC-3A X 1.500 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-432-7522. 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