AIC4431-3 — BOLT,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

AIC4431-3: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP H11 OVERALL, head_style: SPLINE EXTENDED WASHER, head_height: 0.600 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 1.142 INCHES NOMINAL IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-448-9761, 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

AIC4431-3

NSN: 5306-01-448-9761
FSC: 5306 — Bolts
CAGE: 06725 — SPS TECHNOLOGIES, LLC DBA AIR INDUSTRIES COMPANY DIV AIR INDUSTRIES COMPANY (USA)

SPECIFICATIONS

material	STEEL COMP H11 OVERALL
head_style	SPLINE EXTENDED WASHER
head_height	0.600 INCHES NOMINAL IN
thread_class	3A A
thread_length	1.142 INCHES NOMINAL IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	4.067 INCHES MINIMUM AND 4.097 INCHES MAXIMUM IN
shoulder_length	2.940 INCHES NOMINAL FIRST SHOULDER IN
thread_direction	RIGHT-HAND
shoulder_diameter	0.6855 INCHES MINIMUM AND 0.6865 INCHES MAXIMUM FIRST SHOULDER IN
head_minor_diameter	0.673 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN
nominal_thread_diameter	0.625 INCHES IN
NSN	5306-01-448-9761

COMPONENT DIAGRAM

KEY FEATURES

•

EXTENDED WASHER THICKNESS: 0.090 INCHES NOMINAL IN

•

HEAD HEIGHT: 0.600 INCHES NOMINAL IN

•

FASTENER LENGTH: 4.067 INCHES MINIMUM AND 4.097 INCHES MAXIMUM IN

•

SHOULDER LENGTH: 2.940 INCHES NOMINAL FIRST SHOULDER IN

•

EXTENDED WASHER DIAMETER: 1.153 INCHES MINIMUM AND 1.163 INCHES MAXIMUM IN

•

SHOULDER DIAMETER: 0.6855 INCHES MINIMUM AND 0.6865 INCHES MAXIMUM FIRST SHOULDER IN

•

THREAD LENGTH: 1.142 INCHES NOMINAL IN

•

SHOULDER SHAPE: ROUND FIRST SHOULDER

TECHNICAL CHARACTERISTICS

EXTENDED WASHER THICKNESS	0.090 INCHES NOMINAL IN
HEAD HEIGHT	0.600 INCHES NOMINAL IN
FASTENER LENGTH	4.067 INCHES MINIMUM AND 4.097 INCHES MAXIMUM IN
SHOULDER LENGTH	2.940 INCHES NOMINAL FIRST SHOULDER IN
EXTENDED WASHER DIAMETER	1.153 INCHES MINIMUM AND 1.163 INCHES MAXIMUM IN
SHOULDER DIAMETER	0.6855 INCHES MINIMUM AND 0.6865 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH	1.142 INCHES NOMINAL IN
SHOULDER SHAPE	ROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-C-8837 TY2 CL2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.625 INCHES IN

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 2

VS3643-1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

C9771-3Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

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 AIC4431-3?

AIC4431-3 is a BOLT,SHOULDER.

What parts can replace AIC4431-3?

There are 2 known substitutes for AIC4431-3: VS3643-1, C9771-3. Substitute compatibility should be verified for your specific system.

What is the NSN for AIC4431-3?

AIC4431-3 is cataloged in the U.S. Government catalog under NSN 5306-01-448-9761. This indicates validated use in U.S. government and defense supply chains.

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