KLB49373-3-1 — BOLT,RIBBED SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

KLB49373-3-1: BOLT,RIBBED SHOULDER.

The BOLT,RIBBED SHOULDER is a the manufacturer industrial component. Key specifications include head_style: FLAT CHAMFER, head_height: 0.064 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN, rib_quantity: 12, thread_class: 3A A, chamfer_angle: 45.0 DEGREES NOMINAL, head_diameter: 0.357 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-139-6784, 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

KLB49373-3-1

NSN: 5306-01-139-6784
FSC: 5306 — Bolts
CAGE: 15653 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)

SPECIFICATIONS

head_style	FLAT CHAMFER
head_height	0.064 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN
rib_quantity	12
thread_class	3A A
chamfer_angle	45.0 DEGREES NOMINAL
head_diameter	0.357 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
thread_length	0.604 INCHES NOMINAL IN
shoulder_shape	RIBBED FIRST SHOULDER
fastener_length	0.756 INCHES MINIMUM AND 0.776 INCHES MAXIMUM IN
shoulder_length	0.157 INCHES MINIMUM AND 0.167 INCHES MAXIMUM FIRST SHOULDER IN
thread_direction	RIGHT-HAND
shoulder_diameter	1.910 INCHES MINIMUM AND 1.925 INCHES MAXIMUM FIRST SHOULDER IN
NSN	5306-01-139-6784

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.064 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.756 INCHES MINIMUM AND 0.776 INCHES MAXIMUM IN

•

SHOULDER LENGTH: 0.157 INCHES MINIMUM AND 0.167 INCHES MAXIMUM FIRST SHOULDER IN

•

SHOULDER DIAMETER: 1.910 INCHES MINIMUM AND 1.925 INCHES MAXIMUM FIRST SHOULDER IN

•

THREAD LENGTH: 0.604 INCHES NOMINAL IN

•

SHOULDER SHAPE: RIBBED FIRST SHOULDER

•

NOMINAL THREAD DIAMETER: 0.190 INCHES IN

•

HEAD STYLE: FLAT CHAMFER

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.064 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN
FASTENER LENGTH	0.756 INCHES MINIMUM AND 0.776 INCHES MAXIMUM IN
SHOULDER LENGTH	0.157 INCHES MINIMUM AND 0.167 INCHES MAXIMUM FIRST SHOULDER IN
SHOULDER DIAMETER	1.910 INCHES MINIMUM AND 1.925 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH	0.604 INCHES NOMINAL IN
SHOULDER SHAPE	RIBBED FIRST SHOULDER
NOMINAL THREAD DIAMETER	0.190 INCHES IN
HEAD STYLE	FLAT CHAMFER
THREAD DIRECTION	RIGHT-HAND
CHAMFER ANGLE	45.0 DEGREES NOMINAL

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 1

4032T11P05Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 KLB49373-3-1?

KLB49373-3-1 is a BOLT,RIBBED SHOULDER.

What parts can replace KLB49373-3-1?

There is 1 known substitute for KLB49373-3-1: 4032T11P05. Substitute compatibility should be verified for your specific system.

What is the NSN for KLB49373-3-1?

KLB49373-3-1 is cataloged in the U.S. Government catalog under NSN 5306-01-139-6784. This indicates validated use in U.S. government and defense supply chains.

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KLB49373-3-1 — BOLT,RIBBED SHOULDER

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