83973-18-3 — BOLT,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

83973-18-3: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, head_style: SPLINE DRIVE SHEAR HEAD, head_height: 0.609 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 1.051 INCHES NOMINAL IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-356-5095, 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

83973-18-3

NSN: 5306-01-356-5095
FSC: 5306 — Bolts
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)

SPECIFICATIONS

material	NICKEL ALLOY 718 OVERALL
head_style	SPLINE DRIVE SHEAR HEAD
head_height	0.609 INCHES NOMINAL IN
thread_class	3A A
thread_length	1.051 INCHES NOMINAL IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	4.623 INCHES MINIMUM AND 4.653 INCHES MAXIMUM IN
shoulder_length	3.577 INCHES MINIMUM AND 3.597 INCHES MAXIMUM FIRST SHOULDER IN
thread_direction	RIGHT-HAND
shoulder_diameter	1.122 INCHES MINIMUM AND 1.124 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatment	PASSIVATE OVERALL
head_minor_diameter	1.924 INCHES MINIMUM AND 1.937 INCHES MAXIMUM IN
NSN	5306-01-356-5095

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.609 INCHES NOMINAL IN

•

FASTENER LENGTH: 4.623 INCHES MINIMUM AND 4.653 INCHES MAXIMUM IN

•

SHOULDER LENGTH: 3.577 INCHES MINIMUM AND 3.597 INCHES MAXIMUM FIRST SHOULDER IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

SHOULDER DIAMETER: 1.122 INCHES MINIMUM AND 1.124 INCHES MAXIMUM FIRST SHOULDER IN

•

THREAD LENGTH: 1.051 INCHES NOMINAL IN

•

SHOULDER SHAPE: ROUND FIRST SHOULDER

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.609 INCHES NOMINAL IN
FASTENER LENGTH	4.623 INCHES MINIMUM AND 4.653 INCHES MAXIMUM IN
SHOULDER LENGTH	3.577 INCHES MINIMUM AND 3.597 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER	1.122 INCHES MINIMUM AND 1.124 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH	1.051 INCHES NOMINAL IN
SHOULDER SHAPE	ROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.750 INCHES IN
HEAD STYLE	SPLINE DRIVE SHEAR HEAD

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

3D0104-18-3Same 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 83973-18-3?

83973-18-3 is a BOLT,SHOULDER.

What parts can replace 83973-18-3?

There is 1 known substitute for 83973-18-3: 3D0104-18-3. Substitute compatibility should be verified for your specific system.

What is the NSN for 83973-18-3?

83973-18-3 is cataloged in the U.S. Government catalog under NSN 5306-01-356-5095. This indicates validated use in U.S. government and defense supply chains.

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