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PartsTable / COMPONENT / 5-16 18X2 1-2IN
5-16 18X2 1-2IN ✓ 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 BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: SQUARE, head_height: 0.186 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.000 INCHES MINIMUM IN, fastener_length: 2.500 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-514-7883, 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
5-16 18X2 1-2IN
NSN: 5306-00-514-7883
FSC: 5306
CAGE: 14959 — CRANE CO DIV VALVE DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleSQUARE
head_height0.186 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN
thread_class2A A
thread_length1.000 INCHES MINIMUM IN
fastener_length2.500 INCHES NOMINAL IN
hardness_rating95.5 ROCKWELL B MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedUNFINISHED HEAD
width_between_flats0.484 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
nominal_thread_diameter0.312 INCHES IN
minimum_tensile_strength55000 POUNDS PER SQUARE INCH LBS
NSN5306-00-514-7883
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5-16 18X2 1-2IN · 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 DIRECTION: RIGHT-HAND
•
MINIMUM TENSILE STRENGTH: 55000 POUNDS PER SQUARE INCH LBS
•
HEAD HEIGHT: 0.186 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN
•
HEAD STYLE: SQUARE
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
HARDNESS RATING: 95.5 ROCKWELL B MAXIMUM OVERALL
•
THREAD LENGTH: 1.000 INCHES MINIMUM IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
MINIMUM TENSILE STRENGTH55000 POUNDS PER SQUARE INCH LBS
HEAD HEIGHT0.186 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN
HEAD STYLESQUARE
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
HARDNESS RATING95.5 ROCKWELL B MAXIMUM OVERALL
THREAD LENGTH1.000 INCHES MINIMUM IN
MATERIALSTEEL OVERALL
FASTENER LENGTH2.500 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.312 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
111195Upgraded Successor
successor cross-reference
successor
FF-B-575Upgraded Successor
successor cross-reference
successor
V80AUpgraded Successor
successor cross-reference
successor
1103024Upgraded Successor
successor cross-reference
successor
0904935-4Upgraded Successor
successor cross-reference
successor
MS35355-127Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5-16 18X2 1-2IN?
5-16 18X2 1-2IN is a BOLT,MACHINE.
What parts can replace 5-16 18X2 1-2IN?
There are 23 known substitutes for 5-16 18X2 1-2IN: 111195, FF-B-575, V80A and 20 more. Substitute compatibility should be verified for your specific system.
Is 5-16 18X2 1-2IN still available?
5-16 18X2 1-2IN 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