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2BA581 ✓ 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,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include head_style: HEXAGON. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-155-9787, 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
2BA581
NSN: 5305-01-155-9787
FSC: 5305
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
head_styleHEXAGON
NSN5305-01-155-9787
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2BA581 · 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
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEHEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
2006 9Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-751 TYCInterchangeable
interchangeable cross-reference
interchangeable
44479Interchangeable
interchangeable cross-reference
interchangeable
311291PCALLInterchangeable
interchangeable cross-reference
interchangeable
6659Interchangeable
interchangeable cross-reference
interchangeable
311291Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2BA581?
2BA581 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 2BA581?
There are 13 known substitutes for 2BA581: 2006 9, GGG-D-751 TYC, 44479 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2BA581?
2BA581 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-155-9787. 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