PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 5/8-11UNRC-3A X 2 1/4TYIISLFLK
5/8-11UNRC-3A X 2 1/4TYIISLFLK ✓ 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 5/8-11UNRC-3A X 2 1/4TYIISLFLK 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 5305-01-425-4167, 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
5/8-11UNRC-3A X 2 1/4TYIISLFLK
NSN: 5305-01-425-4167
FSC: 5305
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part Number5/8-11UNRC-3A X 2 1/4TYIISLFLK
NSN5305-01-425-4167
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5/8-11UNRC-3A X 2 1/4TYIISLFLK · 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 QUANTITY PER INCH: 11
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-286 GR500 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL: NICKEL ALLOY OVERALL
•
DEPARTURE FROM CITED DESIGNATOR: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
•
CRITICALITY CODE JUSTIFICATION: ZZZX
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH11
NOMINAL THREAD DIAMETER0.625 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 GR500 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MATERIALNICKEL ALLOY OVERALL
DEPARTURE FROM CITED DESIGNATORMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
CRITICALITY CODE JUSTIFICATIONZZZX
SPECIAL FEATURESSCREW, CAP, SOCKET HEAD, SELF LOCKING (REQUESTED NAME)
FASTENER LENGTH2.250 INCHES MAXIMUM IN
THREAD CLASS3A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
0.625-11UNC-3A X 1.500L1Interchangeable
interchangeable cross-reference
interchangeable
211038714Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-1222 TYPE II MOD L1Interchangeable
interchangeable cross-reference
interchangeable
5/8-11UNRC-3A X 2 1/4TYIISLFLKL1Interchangeable
Same NIIN cross-reference
interchangeable
MIL-DTL-1222 QQ-N-286 GR500L1Interchangeable
Same NIIN cross-reference
interchangeable
MIL-DTL-1222 QQ-N-286 GR500Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 5/8-11UNRC-3A X 2 1/4TYIISLFLK?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 5/8-11UNRC-3A X 2 1/4TYIISLFLK?
5/8-11UNRC-3A X 2 1/4TYIISLFLK is a 5/8-11UNRC-3A X 2 1/4TYIISLFLK.
What parts can replace 5/8-11UNRC-3A X 2 1/4TYIISLFLK?
There are 11 known substitutes for 5/8-11UNRC-3A X 2 1/4TYIISLFLK: 0.625-11UNC-3A X 1.500L1, 211038714, MIL-DTL-1222 TYPE II MOD L1 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5/8-11UNRC-3A X 2 1/4TYIISLFLK?
5/8-11UNRC-3A X 2 1/4TYIISLFLK is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-425-4167. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 5/8-11UNRC-3A X 2 1/4TYIISLFLK

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026