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PartsTable / COMPONENT / 63D27
63D27 ✓ 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 COMP 8740 OVERALL, head_style: HEXAGON, grip_length: 0.600 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN, head_height: 0.250 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.751 INCHES MINIMUM AND 0.931 INCHES MAXIMUM 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 5306-00-350-3941, 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
63D27
NSN: 5306-00-350-3941
FSC: 5306
CAGE: 0AHP5 — CURTISS-WRIGHT CONTROLS, INC. DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
materialSTEEL COMP 8740 OVERALL
head_styleHEXAGON
grip_length0.600 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN
head_height0.250 INCHES NOMINAL IN
thread_class3A A
thread_length0.751 INCHES MINIMUM AND 0.931 INCHES MAXIMUM IN
fastener_length1.531 INCHES NOMINAL IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
special_featuresCOTTER PIN HOLE COUNTERSUNK 60 DEG BOTH ENDS
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentZINC OVERALL
NSN5306-00-350-3941
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 63D27 · 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
•
THREAD QUANTITY PER INCH: 24
•
THREAD CLASS: 3A A
•
HEAD STYLE: HEXAGON
•
THREAD LENGTH: 0.751 INCHES MINIMUM AND 0.931 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.531 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.500 INCHES NOMINAL IN
•
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER: 1.172 INCHES NOMINAL FIRST HOLE IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH24
THREAD CLASS3A A
HEAD STYLEHEXAGON
THREAD LENGTH0.751 INCHES MINIMUM AND 0.931 INCHES MAXIMUM IN
FASTENER LENGTH1.531 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.500 INCHES NOMINAL IN
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER1.172 INCHES NOMINAL FIRST HOLE IN
GRIP LENGTH0.600 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN
MINIMUM TENSILE STRENGTH127000 POUNDS PER SQUARE INCH LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
1-2SInterchangeable
interchangeable cross-reference
interchangeable
200194Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 63D27?
63D27 is a BOLT,MACHINE.
What parts can replace 63D27?
There are 2 known substitutes for 63D27: 1-2S, 200194. Substitute compatibility should be verified for your specific system.
What is the NSN for 63D27?
63D27 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-350-3941. 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