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Technical Data Sheet
PartsTable / COMPONENT / MS24677-71
MS24677-71 ✓ 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,INTERNAL WRENCHING is a the manufacturer industrial component. Key specifications include head_height: 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN, thread_length: 1.210 INCHES MINIMUM AND 1.560 INCHES MAXIMUM IN, fastener_length: 2.210 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN, width_across_flats: 0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-050-6817, 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
MS24677-71
NSN: 5306-00-050-6817
FSC: 5306
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
head_height0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
thread_length1.210 INCHES MINIMUM AND 1.560 INCHES MAXIMUM IN
fastener_length2.210 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN
width_across_flats0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN
nondefinitive_spec/std_data6 TYPE
NSN5306-00-050-6817
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS24677-71 · 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 HEIGHT: 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
WIDTH ACROSS FLATS: 0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN
•
HEAD DIAMETER: 0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
•
THREAD CLASS: 3A A
•
NONDEFINITIVE SPEC/STD DATA: 6 TYPE
•
THREAD LENGTH: 1.210 INCHES MINIMUM AND 1.560 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.210 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
HEAD HEIGHT0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
WIDTH ACROSS FLATS0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN
HEAD DIAMETER0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
THREAD CLASS3A A
NONDEFINITIVE SPEC/STD DATA6 TYPE
THREAD LENGTH1.210 INCHES MINIMUM AND 1.560 INCHES MAXIMUM IN
FASTENER LENGTH2.210 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
090-45099C8-9Upgraded Successor
successor cross-reference
successor
FFS86Upgraded Successor
successor cross-reference
successor
090-45099C8-8Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS24677-71?
MS24677-71 is a BOLT,INTERNAL WRENCHING.
What parts can replace MS24677-71?
There are 3 known substitutes for MS24677-71: 090-45099C8-9, FFS86, 090-45099C8-8. Substitute compatibility should be verified for your specific system.
Is MS24677-71 still available?
MS24677-71 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026