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Technical Data Sheet
PartsTable / COMPONENT / 0.500-13UNRC-3A-5.25LG NICUAL
0.500-13UNRC-3A-5.25LG NICUAL ✓ 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 0.500-13UNRC-3A-5.25LG NICUAL is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-477-9035, 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
0.500-13UNRC-3A-5.25LG NICUAL
NSN: 5305-01-477-9035
FSC: 5305
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part Number0.500-13UNRC-3A-5.25LG NICUAL
NSN5305-01-477-9035
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 0.500-13UNRC-3A-5.25LG NICUAL · 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 LENGTH: 5.250 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-1222 TY II MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: NICKEL ALLOY OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD SERIES DESIGNATOR: UNRC
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
THREAD CLASS: 3A A
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESUSED ON ONE-QUARTER TO TWO AND ONE HALF INCH BALL VALVE
THREAD LENGTH5.250 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-1222 TY II MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNRC
NOMINAL THREAD DIAMETER0.500 INCHES IN
THREAD CLASS3A A
THREAD QUANTITY PER INCH13
END ITEM IDENTIFICATIONBALL VALVE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
803-5001003 ITEM 156L1Interchangeable
interchangeable cross-reference
interchangeable
1/2-13UNRC-3A X 5 1/4NICUALInterchangeable
interchangeable cross-reference
interchangeable
1/2-13UNRC-3A X 5 1/4NICUALL1Interchangeable
interchangeable cross-reference
interchangeable
803-5001003Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0.500-13UNRC-3A-5.25LG NICUAL?
0.500-13UNRC-3A-5.25LG NICUAL is a 0.500-13UNRC-3A-5.25LG NICUAL.
What parts can replace 0.500-13UNRC-3A-5.25LG NICUAL?
There are 4 known substitutes for 0.500-13UNRC-3A-5.25LG NICUAL: 803-5001003 ITEM 156L1, 1/2-13UNRC-3A X 5 1/4NICUAL, 1/2-13UNRC-3A X 5 1/4NICUALL1 and 1 more. Substitute compatibility should be verified for your specific system.
Is 0.500-13UNRC-3A-5.25LG NICUAL still available?
0.500-13UNRC-3A-5.25LG NICUAL is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026