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Technical Data Sheet
PartsTable / COMPONENT / 0.625-11UNC-3AX2.5L
0.625-11UNC-3AX2.5L ✓ 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-3AX2.5L 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 5305-01-393-7802, 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-3AX2.5L
NSN: 5305-01-393-7802
FSC: 5305
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)
SPECIFICATIONS
Part Number0.625-11UNC-3AX2.5L
NSN5305-01-393-7802
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 0.625-11UNC-3AX2.5L · 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
•
HEAD STYLE: FLAT FILLISTER
•
INTERNAL DRIVE STYLE: HEXAGON
•
MATERIAL: STEEL OVERALL
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
LOCKING FEATURE: PELLET THREADS
•
THREAD CLASS: 3A A
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEFLAT FILLISTER
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.625 INCHES IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
LOCKING FEATUREPELLET THREADS
THREAD CLASS3A A
THREAD DIRECTIONRIGHT-HAND
HEAD DIAMETER0.921 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
WIDTH ACROSS FLATS0.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
593-6405216 FIND 81Interchangeable
interchangeable cross-reference
interchangeable
211067262L1Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-1222 TYPE 2Interchangeable
interchangeable cross-reference
interchangeable
5001004-XXXX-23Interchangeable
Same NIIN cross-reference
interchangeable
MIL-S-1222Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0.625-11UNC-3AX2.5L?
0.625-11UNC-3AX2.5L is a 0.625-11UNC-3AX2.5L.
What parts can replace 0.625-11UNC-3AX2.5L?
There are 5 known substitutes for 0.625-11UNC-3AX2.5L: 593-6405216 FIND 81, 211067262L1, MIL-DTL-1222 TYPE 2 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 0.625-11UNC-3AX2.5L?
0.625-11UNC-3AX2.5L is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-393-7802. 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