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Technical Data Sheet
PartsTable / COMPONENT / 803-025
803-025 ✓ 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 COMP 1040 OVERALL, head_style: HEXAGON, head_height: 0.156 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 2.400 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN, fastener_length: 2.500 INCHES NOMINAL 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 5306-01-211-0370, 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
803-025
NSN: 5306-01-211-0370
FSC: 5306
CAGE: 72741 — DORMAN PRODUCTS, INC. DBA DORMAN (USA)
SPECIFICATIONS
materialSTEEL COMP 1040 OVERALL
head_styleHEXAGON
head_height0.156 INCHES NOMINAL IN
thread_class2A A
thread_length2.400 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN
fastener_length2.500 INCHES NOMINAL IN
hardness_rating23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentDICHROMATE ZINC OVERALL
width_between_flats0.438 INCHES NOMINAL IN
nominal_thread_diameter0.250 INCHES IN
NSN5306-01-211-0370
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 803-025 · 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: 0.250 INCHES IN
•
FASTENER LENGTH: 2.500 INCHES NOMINAL IN
•
THREAD LENGTH: 2.400 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN
•
HEAD STYLE: HEXAGON
•
THREAD QUANTITY PER INCH: 20
•
MINIMUM TENSILE STRENGTH: 120000 POUNDS PER SQUARE INCH LBS
•
FEATURES PROVIDED: FINISHED HEAD
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.250 INCHES IN
FASTENER LENGTH2.500 INCHES NOMINAL IN
THREAD LENGTH2.400 INCHES MINIMUM AND 2.500 INCHES MAXIMUM IN
HEAD STYLEHEXAGON
THREAD QUANTITY PER INCH20
MINIMUM TENSILE STRENGTH120000 POUNDS PER SQUARE INCH LBS
FEATURES PROVIDEDFINISHED HEAD
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.438 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
170025Upgraded Successor
successor cross-reference
successor
899-23Interchangeable
interchangeable cross-reference
interchangeable
73403Interchangeable
interchangeable cross-reference
interchangeable
903025Interchangeable
interchangeable cross-reference
interchangeable
139B3373G3Interchangeable
interchangeable cross-reference
interchangeable
5942709-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 803-025?
803-025 is a BOLT,MACHINE.
What parts can replace 803-025?
There are 8 known substitutes for 803-025: 170025, 899-23, 73403 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 803-025?
803-025 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-211-0370. 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