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Technical Data Sheet
PartsTable / COMPONENT / 5-16 18X1IN
5-16 18X1IN ✓ 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, grip_length: 0.125 INCHES NOMINAL IN, head_height: 0.186 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.875 INCHES MINIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-013-1303, 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 18X1IN
NSN: 5306-00-013-1303
FSC: 5306
CAGE: 47562 — GAGE CO THE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleSQUARE
grip_length0.125 INCHES NOMINAL IN
head_height0.186 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN
thread_class2A A
thread_length0.875 INCHES MINIMUM IN
fastener_length1.000 INCHES NOMINAL IN
hardness_rating95.0 ROCKWELL B MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedUNFINISHED HEAD
surface_treatmentCADMIUM OR ZINC OVERALL
width_between_flats0.484 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
NSN5306-00-013-1303
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5-16 18X1IN · 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
•
HEAD STYLE: SQUARE
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
THREAD LENGTH: 0.875 INCHES MINIMUM IN
•
MATERIAL: STEEL OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
FEATURES PROVIDED: UNFINISHED HEAD
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLESQUARE
NOMINAL THREAD DIAMETER0.312 INCHES IN
THREAD LENGTH0.875 INCHES MINIMUM IN
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
THREAD DIRECTIONRIGHT-HAND
FEATURES PROVIDEDUNFINISHED HEAD
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J429GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
GRIP LENGTH0.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
102484Upgraded Successor
successor cross-reference
successor
FFB575Upgraded Successor
successor cross-reference
successor
MS35354-201Upgraded Successor
successor cross-reference
successor
102495Upgraded Successor
successor cross-reference
successor
109177Upgraded Successor
successor cross-reference
successor
131286Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5-16 18X1IN?
5-16 18X1IN is a BOLT,MACHINE.
What parts can replace 5-16 18X1IN?
There are 20 known substitutes for 5-16 18X1IN: 102484, FFB575, MS35354-201 and 17 more. Substitute compatibility should be verified for your specific system.
Is 5-16 18X1IN still available?
5-16 18X1IN 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