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PartsTable / COMPONENT / 3006639
3006639 ✓ 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 end_item_identification: MRAP - UNIQUE NSN - USED ON 2 MRAP VARIANTS, part_name_assigned_by_controlling_agency: HEXAGON HEAD CAP SCREW. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-561-1598, 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
3006639
NSN: 5305-01-561-1598
FSC: 5305
CAGE: 1EFH8 — GENERAL DYNAMICS LAND SYSTEMS - FORCE PROTECTION INC. DBA GDLS DIV GDLS-FP (USA)
SPECIFICATIONS
end_item_identificationMRAP - UNIQUE NSN - USED ON 2 MRAP VARIANTS
part_name_assigned_by_controlling_agencyHEXAGON HEAD CAP SCREW
NSN5305-01-561-1598
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3006639 · 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
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYHEXAGON HEAD CAP SCREW
END ITEM IDENTIFICATIONMRAP - UNIQUE NSN - USED ON 2 MRAP VARIANTS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
623-0628Interchangeable
interchangeable cross-reference
interchangeable
3150410Interchangeable
interchangeable cross-reference
interchangeable
MDA50Interchangeable
interchangeable cross-reference
interchangeable
39005Interchangeable
interchangeable cross-reference
interchangeable
L6076B1023Interchangeable
interchangeable cross-reference
interchangeable
RY155748 REFERENCE 8.1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3006639?
3006639 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 3006639?
There are 7 known substitutes for 3006639: 623-0628, 3150410, MDA50 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3006639?
3006639 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-561-1598. 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