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Technical Data Sheet
PartsTable / COMPONENT / 1.500-6UNRC-2A X 6.250L1
1.500-6UNRC-2A X 6.250L1 ✓ 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 1.500-6UNRC-2A X 6.250L1 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 5305-01-423-8881, 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
1.500-6UNRC-2A X 6.250L1
NSN: 5305-01-423-8881
FSC: 5305
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
Part Number1.500-6UNRC-2A X 6.250L1
NSN5305-01-423-8881
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1.500-6UNRC-2A X 6.250L1 · 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 SERIES DESIGNATOR: UNRC
•
INTERNAL DRIVE STYLE: HEXAGON
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-286 GR500 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
DEPARTURE FROM CITED DESIGNATOR: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
•
NOMINAL THREAD DIAMETER: 1.500 INCHES IN
•
MATERIAL: NICKEL ALLOY OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CRITICALITY CODE JUSTIFICATIONZZZX
THREAD SERIES DESIGNATORUNRC
INTERNAL DRIVE STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 GR500 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
DEPARTURE FROM CITED DESIGNATORMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
NOMINAL THREAD DIAMETER1.500 INCHES IN
SPECIAL FEATURESSCREW, CAP, SOCKET HEAD, SELF LOCKING (REQUESTED NAME)
MATERIALNICKEL ALLOY OVERALL
FASTENER LENGTH6.250 INCHES MAXIMUM IN
THREAD CLASS2A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
MIL-DTL-1222 TYPE IVInterchangeable
interchangeable cross-reference
interchangeable
QQ-N-286 GR500L1Interchangeable
interchangeable cross-reference
interchangeable
3/4-10UNC-3A X 2 7/8Interchangeable
interchangeable cross-reference
interchangeable
LENGTH 2.192+/-.020(.30+/-.005L1Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-1222L1Interchangeable
interchangeable cross-reference
interchangeable
258760 ITEM 78Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1.500-6UNRC-2A X 6.250L1?
1.500-6UNRC-2A X 6.250L1 is a 1.500-6UNRC-2A X 6.250L1.
What parts can replace 1.500-6UNRC-2A X 6.250L1?
There are 33 known substitutes for 1.500-6UNRC-2A X 6.250L1: MIL-DTL-1222 TYPE IV, QQ-N-286 GR500L1, 3/4-10UNC-3A X 2 7/8 and 30 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1.500-6UNRC-2A X 6.250L1?
1.500-6UNRC-2A X 6.250L1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-423-8881. 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