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PartsTable / COMPONENT / 5/8-11UNC-3A-2AX3 11/16 INCHES
5/8-11UNC-3A-2AX3 11/16 INCHES ✓ 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 5/8-11UNC-3A-2AX3 11/16 INCHES 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 5307-01-188-7716, 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
5/8-11UNC-3A-2AX3 11/16 INCHES
NSN: 5307-01-188-7716
FSC: 5307
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part Number5/8-11UNC-3A-2AX3 11/16 INCHES
NSN5307-01-188-7716
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5/8-11UNC-3A-2AX3 11/16 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
•
CRITICALITY CODE JUSTIFICATION: ZZZW
•
DEPARTURE FROM CITED DOCUMENT: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
TECHNICAL CHARACTERISTICS (FLIS)
CRITICALITY CODE JUSTIFICATIONZZZW
DEPARTURE FROM CITED DOCUMENTMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
1 1/4-8UNC-2A X 8 INCHESL1Interchangeable
interchangeable cross-reference
interchangeable
ASTM-A193 GRADE B16Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-1222Interchangeable
interchangeable cross-reference
interchangeable
042-021983 PIECE 12L1Interchangeable
interchangeable cross-reference
interchangeable
042-021983 PIECE 12Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-1222 TYPE III STYLE DL1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5/8-11UNC-3A-2AX3 11/16 INCHES?
5/8-11UNC-3A-2AX3 11/16 INCHES is a 5/8-11UNC-3A-2AX3 11/16 INCHES.
What parts can replace 5/8-11UNC-3A-2AX3 11/16 INCHES?
There are 17 known substitutes for 5/8-11UNC-3A-2AX3 11/16 INCHES: 1 1/4-8UNC-2A X 8 INCHESL1, ASTM-A193 GRADE B16, MIL-DTL-1222 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5/8-11UNC-3A-2AX3 11/16 INCHES?
5/8-11UNC-3A-2AX3 11/16 INCHES is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-01-188-7716. 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