PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 278-0056
278-0056 ✓ 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 SCREW,TAPPING is a the manufacturer industrial component. Key specifications include special_features: COOLING ASSEMBLY-ISB-225 W/HIGH EFF.RAD. SIDE MOUNT W, end_item_identification: 2320014525579, nonmachine_thread_style: SELF DRILLING.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-499-1709, 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
278-0056
NSN: 5305-01-499-1709
FSC: 5305
CAGE: 03533 — CRANE CARRIER COMPANY, LLC (USA)
SPECIFICATIONS
special_featuresCOOLING ASSEMBLY-ISB-225 W/HIGH EFF.RAD. SIDE MOUNT W
end_item_identification2320014525579
nonmachine_thread_styleSELF DRILLING
NSN5305-01-499-1709
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 278-0056 · 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
•
NONMACHINE THREAD STYLE: SELF DRILLING
TECHNICAL CHARACTERISTICS (FLIS)
NONMACHINE THREAD STYLESELF DRILLING
SPECIAL FEATURESCOOLING ASSEMBLY-ISB-225 W/HIGH EFF.RAD. SIDE MOUNT W
END ITEM IDENTIFICATION2320014525579
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
1022159-246Interchangeable
interchangeable cross-reference
interchangeable
PS1-30-5-26Interchangeable
interchangeable cross-reference
interchangeable
2531Interchangeable
interchangeable cross-reference
interchangeable
100F50Interchangeable
interchangeable cross-reference
interchangeable
K45293-50Interchangeable
interchangeable cross-reference
interchangeable
27-856Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 278-0056?
278-0056 is a SCREW,TAPPING.
What parts can replace 278-0056?
There are 10 known substitutes for 278-0056: 1022159-246, PS1-30-5-26, 2531 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 278-0056?
278-0056 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-499-1709. 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