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Technical Data Sheet
PartsTable / COMPONENT / 6D27
6D27 ✓ 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 3140 OVERALL, head_style: HEXAGON, grip_length: 0.176 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN, head_height: 0.160 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.620 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 5306-00-350-3940, 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
6D27
NSN: 5306-00-350-3940
FSC: 5306
CAGE: 15555 — CURTISS-WRIGHT CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 3140 OVERALL
head_styleHEXAGON
grip_length0.176 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
head_height0.160 INCHES NOMINAL IN
thread_class3A A
thread_length0.620 INCHES NOMINAL IN
fastener_length2.380 INCHES NOMINAL IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedUNFINISHED HEAD
surface_treatmentZINC OVERALL
width_between_flats0.431 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
NSN5306-00-350-3940
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 6D27 · 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
•
MATERIAL: STEEL COMP 3140 OVERALL
•
HEAD HEIGHT: 0.160 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNF
•
HEAD STYLE: HEXAGON
•
THREAD CLASS: 3A A
•
WIDTH BETWEEN FLATS: 0.431 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.620 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.380 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 3140 OVERALL
HEAD HEIGHT0.160 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNF
HEAD STYLEHEXAGON
THREAD CLASS3A A
WIDTH BETWEEN FLATS0.431 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
THREAD LENGTH0.620 INCHES NOMINAL IN
FASTENER LENGTH2.380 INCHES NOMINAL IN
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER2.220 INCHES NOMINAL FIRST HOLE IN
SHANK UNTHREADED HOLE DIAMETER0.065 INCHES MINIMUM AND 0.072 INCHES MAXIMUM FIRST HOLE IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
12215Interchangeable
interchangeable cross-reference
interchangeable
2012-T 15Interchangeable
interchangeable cross-reference
interchangeable
503-S 15Interchangeable
interchangeable cross-reference
interchangeable
200115Interchangeable
interchangeable cross-reference
interchangeable
240-2677-060Interchangeable
interchangeable cross-reference
interchangeable
MIC6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6D27?
6D27 is a BOLT,MACHINE.
What parts can replace 6D27?
There are 12 known substitutes for 6D27: 12215, 2012-T 15, 503-S 15 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6D27?
6D27 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-350-3940. 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