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Technical Data Sheet
PartsTable / COMPONENT / 11676A
11676A ✓ 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: HEXAGON, head_height: 0.125 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.437 INCHES MAXIMUM IN, fastener_length: 0.437 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 5306-00-286-1509, 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
11676A
NSN: 5306-00-286-1509
FSC: 5306
CAGE: 28265 — HERCULES ENGINE CO INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.125 INCHES NOMINAL IN
thread_class2A A
thread_length0.437 INCHES MAXIMUM IN
fastener_length0.437 INCHES NOMINAL IN
thread_directionRIGHT-HAND
features_providedUNFINISHED HEAD
width_between_flats0.312 INCHES NOMINAL IN
nominal_thread_diameter0.190 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNF
NSN5306-00-286-1509
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 11676A · 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
•
FEATURES PROVIDED: UNFINISHED HEAD
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
HEAD HEIGHT: 0.125 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.437 INCHES NOMINAL IN
•
WIDTH BETWEEN FLATS: 0.312 INCHES NOMINAL IN
•
THREAD LENGTH: 0.437 INCHES MAXIMUM IN
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDUNFINISHED HEAD
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
HEAD HEIGHT0.125 INCHES NOMINAL IN
FASTENER LENGTH0.437 INCHES NOMINAL IN
WIDTH BETWEEN FLATS0.312 INCHES NOMINAL IN
THREAD LENGTH0.437 INCHES MAXIMUM IN
THREAD CLASS2A A
NOMINAL THREAD DIAMETER0.190 INCHES IN
THREAD QUANTITY PER INCH32
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
4863CInterchangeable
interchangeable cross-reference
interchangeable
81C186-20Interchangeable
interchangeable cross-reference
interchangeable
4863-0Interchangeable
interchangeable cross-reference
interchangeable
135-003-5068Interchangeable
interchangeable cross-reference
interchangeable
M16377/44-001Interchangeable
interchangeable cross-reference
interchangeable
1302-01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11676A?
11676A is a BOLT,MACHINE.
What parts can replace 11676A?
There are 11 known substitutes for 11676A: 4863C, 81C186-20, 4863-0 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 11676A?
11676A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-286-1509. 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