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CB9240-4-9C — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

CB9240-4-9C: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY UNS R56400 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.449 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN, thread_length: 0.425 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-477-9558, 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
CB9240-4-9C
NSN: 5305-01-477-9558
FSC: 5305 — Screws
CAGE: 66530 — CLICK BOND INC (USA)
SPECIFICATIONS
materialTITANIUM ALLOY UNS R56400 OVERALL
head_styleFLAT COUNTERSUNK
thread_class3A A
head_diameter0.449 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
thread_length0.425 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length0.987 INCHES MAXIMUM IN
shoulder_length0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM ALL SHOULDERS IN
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
shoulder_diameter0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM FIRST SHOULDER IN
internal_drive_styleTORX
NSN5305-01-477-9558
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: CB9240-4-9C · 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
•
FASTENER LENGTH: 0.987 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM ALL SHOULDERS IN
•
SHOULDER DIAMETER: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.425 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: 6AL-4VTITANIUMALLOYPERAMS4928 ASSN STD 1ST MATERIAL RESPONSE OR AMS4967 ASSN STD 2ND MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.987 INCHES MAXIMUM IN
SHOULDER LENGTH0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM ALL SHOULDERS IN
SHOULDER DIAMETER0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.425 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATION6AL-4VTITANIUMALLOYPERAMS4928 ASSN STD 1ST MATERIAL RESPONSE OR AMS4967 ASSN STD 2ND MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
MINIMUM TENSILE STRENGTH5620 POUNDS PER SQUARE INCH LBS
SUBSTITUTES & CROSS-REFERENCES 2
03A509Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
03A509-4-9CSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CB9240-4-9C?
CB9240-4-9C is a SCREW,SHOULDER.
What parts can replace CB9240-4-9C?
There are 2 known substitutes for CB9240-4-9C: 03A509, 03A509-4-9C. Substitute compatibility should be verified for your specific system.
What is the NSN for CB9240-4-9C?
CB9240-4-9C is cataloged in the U.S. Government catalog under NSN 5305-01-477-9558. This indicates validated use in U.S. government and defense supply chains.
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