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3763619 — BOLT,RIBBED SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3763619: 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: 0.600 INCHES NOMINAL IN, head_height: 0.280 INCHES NOMINAL IN, rib_quantity: 44, thread_class: 2A A. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-960-0494, 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
3763619
NSN: 5306-00-960-0494
FSC: 5306 — Bolts
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT CHAMFER
rib_length0.600 INCHES NOMINAL IN
head_height0.280 INCHES NOMINAL IN
rib_quantity44
thread_class2A A
head_diameter1.120 INCHES NOMINAL IN
thread_length1.120 INCHES MINIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length2.620 INCHES NOMINAL IN
shoulder_length0.990 INCHES NOMINAL FIRST SHOULDER IN
thread_directionRIGHT-HAND
NSN5306-00-960-0494
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3763619 · 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: 0.280 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.620 INCHES NOMINAL IN
•
SHOULDER LENGTH: 0.990 INCHES NOMINAL FIRST SHOULDER IN
•
DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS: 0.230 INCHES NOMINAL IN
•
SHOULDER DIAMETER: 0.728 INCHES MINIMUM AND 0.732 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 1.120 INCHES MINIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
RIB LENGTH: 0.600 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.280 INCHES NOMINAL IN
FASTENER LENGTH2.620 INCHES NOMINAL IN
SHOULDER LENGTH0.990 INCHES NOMINAL FIRST SHOULDER IN
DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS0.230 INCHES NOMINAL IN
SHOULDER DIAMETER0.728 INCHES MINIMUM AND 0.732 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH1.120 INCHES MINIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
RIB LENGTH0.600 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.688 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3763619?
3763619 is a BOLT,RIBBED SHOULDER.
What is the NSN for 3763619?
3763619 is cataloged in the U.S. Government catalog under NSN 5306-00-960-0494. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.