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Technical Data Sheet
PartsTable / COMPONENT / 0.750-10UNRC-3A X 2.250L1
0.750-10UNRC-3A X 2.250L1 ✓ 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 0.750-10UNRC-3A X 2.250L1 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 5305-01-426-4431, 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
0.750-10UNRC-3A X 2.250L1
NSN: 5305-01-426-4431
FSC: 5305
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
Part Number0.750-10UNRC-3A X 2.250L1
NSN5305-01-426-4431
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 0.750-10UNRC-3A X 2.250L1 · 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: ZZZX
•
THREAD QUANTITY PER INCH: 10
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-286 GR500 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD SERIES DESIGNATOR: UNRC
•
MATERIAL: NICKEL ALLOY OVERALL
•
DEPARTURE FROM CITED DESIGNATOR: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
•
NOMINAL THREAD DIAMETER: 0.750 INCHES IN
•
THREAD CLASS: 3A A
TECHNICAL CHARACTERISTICS (FLIS)
CRITICALITY CODE JUSTIFICATIONZZZX
THREAD QUANTITY PER INCH10
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 GR500 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD SERIES DESIGNATORUNRC
MATERIALNICKEL ALLOY OVERALL
DEPARTURE FROM CITED DESIGNATORMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
NOMINAL THREAD DIAMETER0.750 INCHES IN
THREAD CLASS3A A
FASTENER LENGTH2.250 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONBALL VALVE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
MIL-DTL-1222 TYII GR500 QQ-N-2L1Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-1222 TYII GR500L1Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-1222 TYII GR500Interchangeable
interchangeable cross-reference
interchangeable
801-6408778 FIND 18L1Interchangeable
interchangeable cross-reference
interchangeable
211056594L1Interchangeable
interchangeable cross-reference
interchangeable
DF330635 FIND 18L1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0.750-10UNRC-3A X 2.250L1?
0.750-10UNRC-3A X 2.250L1 is a 0.750-10UNRC-3A X 2.250L1.
What parts can replace 0.750-10UNRC-3A X 2.250L1?
There are 22 known substitutes for 0.750-10UNRC-3A X 2.250L1: MIL-DTL-1222 TYII GR500 QQ-N-2L1, MIL-DTL-1222 TYII GR500L1, MIL-DTL-1222 TYII GR500 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 0.750-10UNRC-3A X 2.250L1?
0.750-10UNRC-3A X 2.250L1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-426-4431. 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