PartsTable
Technical Data Sheet
PartsTable / COMPONENT / SIZE 0.500-13UNRC-3A X 1.125
SIZE 0.500-13UNRC-3A X 1.125 ✓ 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 SIZE 0.500-13UNRC-3A X 1.125 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 5305-01-423-3230, 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
SIZE 0.500-13UNRC-3A X 1.125
NSN: 5305-01-423-3230
FSC: 5305
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberSIZE 0.500-13UNRC-3A X 1.125
NSN5305-01-423-3230
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SIZE 0.500-13UNRC-3A X 1.125 · 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
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-286 GR500 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: NICKEL ALLOY OVERALL
•
FASTENER LENGTH: 1.125 INCHES MAXIMUM IN
•
THREAD CLASS: 3A A
•
THREAD SERIES DESIGNATOR: UNRC
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONOPERATING ROD ASSEMBLY
NOMINAL THREAD DIAMETER0.500 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 GR500 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY OVERALL
FASTENER LENGTH1.125 INCHES MAXIMUM IN
THREAD CLASS3A A
THREAD SERIES DESIGNATORUNRC
SPECIAL FEATURESSCREW, CAP, SOCKET HEAD, SELF LOCKING (REQUESTED NAME)
THREAD QUANTITY PER INCH13
DEPARTURE FROM CITED DESIGNATORMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
0.250-20UNRC-3A X 1.000Interchangeable
interchangeable cross-reference
interchangeable
211052570L1Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-1222TYII GR400 SLF-LKGInterchangeable
interchangeable cross-reference
interchangeable
211068791L1Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-1222L1Interchangeable
interchangeable cross-reference
interchangeable
QQ-N-286L1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy SIZE 0.500-13UNRC-3A X 1.125?
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 SIZE 0.500-13UNRC-3A X 1.125?
SIZE 0.500-13UNRC-3A X 1.125 is a SIZE 0.500-13UNRC-3A X 1.125.
What parts can replace SIZE 0.500-13UNRC-3A X 1.125?
There are 14 known substitutes for SIZE 0.500-13UNRC-3A X 1.125: 0.250-20UNRC-3A X 1.000, 211052570L1, MIL-DTL-1222TYII GR400 SLF-LKG and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SIZE 0.500-13UNRC-3A X 1.125?
SIZE 0.500-13UNRC-3A X 1.125 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-423-3230. 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 — SIZE 0.500-13UNRC-3A X 1.125

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