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C3US227-3 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

C3US227-3: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 4140 OR STEEL COMP 4130 OVERALL, head_style: HEXAGON, head_height: 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.280 INCHES NOMINAL IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-589-1049, 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
C3US227-3
NSN: 5306-00-589-1049
FSC: 5306 — Bolts
CAGE: 71867 — DE HAVILLAND AIRCRAFT OF CANADA LIMITED (CAN)
SPECIFICATIONS
materialSTEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 4140 OR STEEL COMP 4130 OVERALL
head_styleHEXAGON
head_height0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
thread_class3A A
thread_length0.280 INCHES NOMINAL IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length1.950 INCHES NOMINAL IN
shoulder_length1.570 INCHES NOMINAL FIRST SHOULDER IN
special_featuresUNDERCUT FOR THREAD RELIEF
thread_directionRIGHT-HAND
shoulder_diameter0.5611 INCHES MINIMUM AND 0.5616 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatmentCADMIUM OVERALL
NSN5306-00-589-1049
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: C3US227-3 · 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 HEIGHT: 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.950 INCHES NOMINAL IN
•
SHOULDER LENGTH: 1.570 INCHES NOMINAL FIRST SHOULDER IN
•
SHOULDER DIAMETER: 0.5611 INCHES MINIMUM AND 0.5616 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.280 INCHES NOMINAL IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
SHANK UNTHREADED HOLE DIAMETER: 0.106 INCHES NOMINAL FIRST HOLE IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 4TH MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
FASTENER LENGTH1.950 INCHES NOMINAL IN
SHOULDER LENGTH1.570 INCHES NOMINAL FIRST SHOULDER IN
SHOULDER DIAMETER0.5611 INCHES MINIMUM AND 0.5616 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.280 INCHES NOMINAL IN
SHOULDER SHAPEROUND FIRST SHOULDER
SHANK UNTHREADED HOLE DIAMETER0.106 INCHES NOMINAL FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 4TH MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES IN
HEAD STYLEHEXAGON
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-004-7044 5306-00-007-6129 5306-00-008-7899 5306-00-009-4739 5306-00-118-7332 5306-00-151-1777 5306-00-255-4507 5306-01-101-2459
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is C3US227-3?
C3US227-3 is a BOLT,SHOULDER.
What is the NSN for C3US227-3?
C3US227-3 is cataloged in the U.S. Government catalog under NSN 5306-00-589-1049. This indicates validated use in U.S. government and defense supply chains.
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