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PartsTable / COMPONENT / DF2B250
DF2B250 ✓ 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: 0.328 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 2.125 INCHES NOMINAL 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 5306-00-939-9591, 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
DF2B250
NSN: 5306-00-939-9591
FSC: 5306
CAGE: 88424 — COOPER POWER SYSTEMS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleSQUARE
head_height0.328 INCHES NOMINAL IN
thread_class2A A
thread_length2.125 INCHES NOMINAL IN
fastener_length2.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
width_between_flats0.750 INCHES NOMINAL IN
nominal_thread_diameter0.500 INCHES IN
NSN5306-00-939-9591
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: DF2B250 · 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
•
FASTENER LENGTH: 2.500 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
WIDTH BETWEEN FLATS: 0.750 INCHES NOMINAL IN
•
THREAD LENGTH: 2.125 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
HEAD HEIGHT: 0.328 INCHES NOMINAL IN
•
FEATURES PROVIDED: FINISHED HEAD
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
FASTENER LENGTH2.500 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.500 INCHES IN
WIDTH BETWEEN FLATS0.750 INCHES NOMINAL IN
THREAD LENGTH2.125 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
HEAD HEIGHT0.328 INCHES NOMINAL IN
FEATURES PROVIDEDFINISHED HEAD
THREAD DIRECTIONRIGHT-HAND
HEAD STYLESQUARE
THREAD CLASS2A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
600212Interchangeable
interchangeable cross-reference
interchangeable
2851-3-6Interchangeable
interchangeable cross-reference
interchangeable
800003Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DF2B250?
DF2B250 is a BOLT,MACHINE.
What parts can replace DF2B250?
There are 3 known substitutes for DF2B250: 600212, 2851-3-6, 800003. Substitute compatibility should be verified for your specific system.
What is the NSN for DF2B250?
DF2B250 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-939-9591. 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