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Technical Data Sheet
PartsTable / COMPONENT / 139727
139727 ✓ 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 SETSCREW is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEADLESS (SETSCREW), point_style: FULL DOG, thread_class: 3A A, thread_length: 0.500 INCHES MAXIMUM IN, fastener_length: 0.500 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 5305-00-013-9727, 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
139727
NSN: 5305-00-013-9727
FSC: 5305
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEADLESS (SETSCREW)
point_styleFULL DOG
thread_class3A A
thread_length0.500 INCHES MAXIMUM IN
fastener_length0.500 INCHES NOMINAL IN
hardness_rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
width_across_flats0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.250 INCHES IN
thread_quantity_per_inch28
NSN5305-00-013-9727
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 139727 · 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 DIRECTION: RIGHT-HAND
•
THREAD SERIES DESIGNATOR: UNF
•
HARDNESS RATING: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
•
POINT STYLE: FULL DOG
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 5 STYLE
•
FASTENER LENGTH: 0.500 INCHES NOMINAL IN
•
THREAD LENGTH: 0.500 INCHES MAXIMUM IN
•
HEAD STYLE: HEADLESS (SETSCREW)
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNF
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
POINT STYLEFULL DOG
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 5 STYLE
FASTENER LENGTH0.500 INCHES NOMINAL IN
THREAD LENGTH0.500 INCHES MAXIMUM IN
HEAD STYLEHEADLESS (SETSCREW)
WIDTH ACROSS FLATS0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH28
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
22X203-1-4Interchangeable
interchangeable cross-reference
interchangeable
139703Interchangeable
interchangeable cross-reference
interchangeable
139705Interchangeable
interchangeable cross-reference
interchangeable
87526Interchangeable
interchangeable cross-reference
interchangeable
FFS103TYPE3STYLE5Interchangeable
interchangeable cross-reference
interchangeable
139749Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 139727?
139727 is a SETSCREW.
What parts can replace 139727?
There are 13 known substitutes for 139727: 22X203-1-4, 139703, 139705 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 139727?
139727 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-013-9727. 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