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Technical Data Sheet
PartsTable / COMPONENT / S1825
S1825 ✓ 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: HEXAGON, grip_length: 0.125 INCHES NOMINAL IN, head_height: 0.250 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.875 INCHES MINIMUM 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 5306-00-423-8127, 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
S1825
NSN: 5306-00-423-8127
FSC: 5306
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
grip_length0.125 INCHES NOMINAL IN
head_height0.250 INCHES NOMINAL IN
thread_class2A A
thread_length0.875 INCHES MINIMUM IN
fastener_length1.000 INCHES NOMINAL IN
hardness_rating30.0 ROCKWELL C NOMINAL OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
width_between_flats0.750 INCHES NOMINAL IN
minimum_yield_strength145000 POUNDS PER SQUARE INCH LBS
NSN5306-00-423-8127
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: S1825 · 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
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
FASTENER LENGTH: 1.000 INCHES NOMINAL IN
•
GRIP LENGTH: 0.125 INCHES NOMINAL IN
•
FEATURES PROVIDED: FINISHED HEAD
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD CLASS: 2A A
•
MINIMUM YIELD STRENGTH: 145000 POUNDS PER SQUARE INCH LBS
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.500 INCHES IN
FASTENER LENGTH1.000 INCHES NOMINAL IN
GRIP LENGTH0.125 INCHES NOMINAL IN
FEATURES PROVIDEDFINISHED HEAD
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A A
MINIMUM YIELD STRENGTH145000 POUNDS PER SQUARE INCH LBS
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
HARDNESS RATING30.0 ROCKWELL C NOMINAL OVERALL
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
38-7293-221-00-3-10Interchangeable
interchangeable cross-reference
interchangeable
BA10068-4Interchangeable
interchangeable cross-reference
interchangeable
5102Interchangeable
interchangeable cross-reference
interchangeable
0S1825Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S1825?
S1825 is a BOLT,MACHINE.
What parts can replace S1825?
There are 4 known substitutes for S1825: 38-7293-221-00-3-10, BA10068-4, 5102 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S1825?
S1825 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-423-8127. 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