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Technical Data Sheet
PartsTable / COMPONENT / 5305006560021
5305006560021 ✓ 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: HALF DOG, thread_class: 3A A, thread_length: 1.250 INCHES MAXIMUM IN, fastener_length: 1.250 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 5305-00-656-0021, 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
5305006560021
NSN: 5305-00-656-0021
FSC: 5305
CAGE: SCY13 — E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEADLESS (SETSCREW)
point_styleHALF DOG
thread_class3A A
thread_length1.250 INCHES MAXIMUM IN
fastener_length1.250 INCHES NOMINAL IN
hardness_rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
width_across_flats0.156 INCHES NOMINAL IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.312 INCHES IN
thread_quantity_per_inch24
NSN5305-00-656-0021
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5305006560021 · 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
•
HEAD STYLE: HEADLESS (SETSCREW)
•
HARDNESS RATING: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL: STEEL OVERALL
•
THREAD SERIES DESIGNATOR: UNF
•
WIDTH ACROSS FLATS: 0.156 INCHES NOMINAL IN
•
POINT STYLE: HALF DOG
•
INTERNAL DRIVE STYLE: HEXAGON
•
THREAD LENGTH: 1.250 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEHEADLESS (SETSCREW)
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORUNF
WIDTH ACROSS FLATS0.156 INCHES NOMINAL IN
POINT STYLEHALF DOG
INTERNAL DRIVE STYLEHEXAGON
THREAD LENGTH1.250 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH24
FASTENER LENGTH1.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
FFS103TYPE3STYLE6Interchangeable
interchangeable cross-reference
interchangeable
223042Interchangeable
interchangeable cross-reference
interchangeable
223150Interchangeable
interchangeable cross-reference
interchangeable
312-35018Interchangeable
interchangeable cross-reference
interchangeable
S4700H3163714REVAPC15Interchangeable
interchangeable cross-reference
interchangeable
N52606PC15Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5305006560021?
5305006560021 is a SETSCREW.
What parts can replace 5305006560021?
There are 16 known substitutes for 5305006560021: FFS103TYPE3STYLE6, 223042, 223150 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5305006560021?
5305006560021 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-656-0021. 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