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3665385 — BOLT,RIBBED SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3665385: BOLT,RIBBED SHOULDER.

The BOLT,RIBBED SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT CHAMFER, rib_length: 0.631 INCHES MINIMUM AND 0.651 INCHES MAXIMUM IN, head_height: 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN, rib_quantity: 50, thread_class: 3A A. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-226-9275, 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
3665385
NSN: 5306-00-226-9275
FSC: 5306 — Bolts
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT CHAMFER
rib_length0.631 INCHES MINIMUM AND 0.651 INCHES MAXIMUM IN
head_height0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
rib_quantity50
thread_class3A A
head_diameter1.188 INCHES NOMINAL IN
thread_length1.062 INCHES MINIMUM IN
shoulder_shapeRIBBED FIRST SHOULDER
fastener_length2.125 INCHES MINIMUM AND 2.141 INCHES MAXIMUM IN
shoulder_length0.693 INCHES MINIMUM AND 0.703 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
NSN5306-00-226-9275
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3665385 · 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: 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.125 INCHES MINIMUM AND 2.141 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 0.693 INCHES MINIMUM AND 0.703 INCHES MAXIMUM FIRST SHOULDER IN
•
DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS: 0.046 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 0.8350 INCHES MINIMUM AND 0.8400 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 1.062 INCHES MINIMUM IN
•
SHOULDER SHAPE: RIBBED FIRST SHOULDER
•
RIB LENGTH: 0.631 INCHES MINIMUM AND 0.651 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
FASTENER LENGTH2.125 INCHES MINIMUM AND 2.141 INCHES MAXIMUM IN
SHOULDER LENGTH0.693 INCHES MINIMUM AND 0.703 INCHES MAXIMUM FIRST SHOULDER IN
DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS0.046 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
SHOULDER DIAMETER0.8350 INCHES MINIMUM AND 0.8400 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH1.062 INCHES MINIMUM IN
SHOULDER SHAPERIBBED FIRST SHOULDER
RIB LENGTH0.631 INCHES MINIMUM AND 0.651 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.750 INCHES IN
HEAD STYLEFLAT CHAMFER
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
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 3665385?
3665385 is a BOLT,RIBBED SHOULDER.
What is the NSN for 3665385?
3665385 is cataloged in the U.S. Government catalog under NSN 5306-00-226-9275. This indicates validated use in U.S. government and defense supply chains.
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