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Technical Data Sheet
PartsTable / COMPONENT / 5740658
5740658 ✓ 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: OVAL, thread_class: 3A A, fastener_length: 0.335 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN, hardness_rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-188-0496, 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
5740658
NSN: 5305-01-188-0496
FSC: 5305
CAGE: 34623 — AM GENERAL LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEADLESS (SETSCREW)
point_styleOVAL
thread_class3A A
fastener_length0.335 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN
hardness_rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
width_across_flats0.125 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.250 INCHES IN
thread_quantity_per_inch28
thread_series_designatorUNF
NSN5305-01-188-0496
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5740658 · 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: 28
•
INTERNAL DRIVE STYLE: HEXAGON
•
MATERIAL: STEEL OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD CLASS: 3A A
•
WIDTH ACROSS FLATS: 0.125 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
•
HEAD STYLE: HEADLESS (SETSCREW)
•
POINT STYLE: OVAL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH28
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A A
WIDTH ACROSS FLATS0.125 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
HEAD STYLEHEADLESS (SETSCREW)
POINT STYLEOVAL
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
THREAD SERIES DESIGNATORUNF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
22642Interchangeable
interchangeable cross-reference
interchangeable
3D052Interchangeable
interchangeable cross-reference
interchangeable
30024Interchangeable
interchangeable cross-reference
interchangeable
22842Interchangeable
interchangeable cross-reference
interchangeable
48UHDSMXInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5740658?
5740658 is a SETSCREW.
What parts can replace 5740658?
There are 5 known substitutes for 5740658: 22642, 3D052, 30024 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5740658?
5740658 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-188-0496. 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