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Technical Data Sheet
PartsTable / COMPONENT / 1ST10
1ST10 ✓ 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,U is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1018 OVERALL, thread_class: 2A A, thread_length: 2.000 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, surface_treatment: ZINC OVERALL, nominal_thread_diameter: 0.438 INCHES IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-108-3747, 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
1ST10
NSN: 5306-01-108-3747
FSC: 5306
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 1018 OVERALL
thread_class2A A
thread_length2.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
nominal_thread_diameter0.438 INCHES IN
thread_quantity_per_inch20
thread_series_designatorUNF
NSN5306-01-108-3747
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1ST10 · 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 CLASS: 2A A
•
THREAD SERIES DESIGNATOR: UNF
•
MATERIAL: STEEL COMP 1018 OVERALL
•
SURFACE TREATMENT: ZINC OVERALL
•
THREAD QUANTITY PER INCH: 20
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD DIAMETER: 0.438 INCHES IN
•
THREAD LENGTH: 2.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2A A
THREAD SERIES DESIGNATORUNF
MATERIALSTEEL COMP 1018 OVERALL
SURFACE TREATMENTZINC OVERALL
THREAD QUANTITY PER INCH20
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD DIAMETER0.438 INCHES IN
THREAD LENGTH2.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 1
810Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1ST10?
1ST10 is a BOLT,U.
What parts can replace 1ST10?
There is 1 known substitute for 1ST10: 810. Substitute compatibility should be verified for your specific system.
What is the NSN for 1ST10?
1ST10 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-108-3747. 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