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Technical Data Sheet
PartsTable / COMPONENT / CF8X28
CF8X28 ✓ 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 SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.250 INCHES MINIMUM IN, surface_finish: 125.0 MICROINCHES BEARING SURFACE OF HEAD. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-206-3509, 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
CF8X28
NSN: 5305-00-206-3509
FSC: 5305
CAGE: 63734 — KAITLIN CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
thread_class2A A
thread_length1.250 INCHES MINIMUM IN
surface_finish125.0 MICROINCHES BEARING SURFACE OF HEAD
fastener_length1.750 INCHES NOMINAL IN
hardness_rating80.0 ROCKWELL B MINIMUM OVERALL
thread_directionRIGHT-HAND
width_between_flats0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
nominal_thread_diameter0.500 INCHES IN
minimum_tensile_strength74000 POUNDS PER SQUARE INCH LBS
NSN5305-00-206-3509
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: CF8X28 · 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
•
WIDTH BETWEEN FLATS: 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
HARDNESS RATING: 80.0 ROCKWELL B MINIMUM OVERALL
•
THREAD SERIES DESIGNATOR: UNF
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 1 STYLE AND 2 GRADE
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE FINISH: 125.0 MICROINCHES BEARING SURFACE OF HEAD
•
MINIMUM TENSILE STRENGTH: 74000 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH BETWEEN FLATS0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
HARDNESS RATING80.0 ROCKWELL B MINIMUM OVERALL
THREAD SERIES DESIGNATORUNF
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 1 STYLE AND 2 GRADE
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE FINISH125.0 MICROINCHES BEARING SURFACE OF HEAD
MINIMUM TENSILE STRENGTH74000 POUNDS PER SQUARE INCH LBS
HEAD STYLEHEXAGON
THREAD QUANTITY PER INCH20
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
10TCCQ56Interchangeable
interchangeable cross-reference
interchangeable
CG56PFNP0PORM5PCInterchangeable
interchangeable cross-reference
interchangeable
C030A102J560JInterchangeable
interchangeable cross-reference
interchangeable
6145PL1734325Interchangeable
interchangeable cross-reference
interchangeable
9020009Interchangeable
interchangeable cross-reference
interchangeable
5XB-20-1932NJ WHITEInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CF8X28?
CF8X28 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace CF8X28?
There are 18 known substitutes for CF8X28: 10TCCQ56, CG56PFNP0PORM5PC, C030A102J560J and 15 more. Substitute compatibility should be verified for your specific system.
Is CF8X28 still available?
CF8X28 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026