ST3M494-4D19 — BOLT,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

ST3M494-4D19: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: DISHED HEXAGON, head_height: 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.400 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-183-1482, 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

ST3M494-4D19

NSN: 5306-01-183-1482
FSC: 5306 — Bolts
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

material	IRON ALLOY 660 OVERALL
head_style	DISHED HEXAGON
head_height	0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
thread_class	3A A
thread_length	0.400 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	1.598 INCHES MINIMUM AND 1.628 INCHES MAXIMUM IN
shoulder_length	1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM FIRST SHOULDER IN
thread_direction	RIGHT-HAND
shoulder_diameter	0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatment	PASSIVATE OVERALL
width_between_flats	0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
NSN	5306-01-183-1482

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN

•

FASTENER LENGTH: 1.598 INCHES MINIMUM AND 1.628 INCHES MAXIMUM IN

•

SHOULDER LENGTH: 1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM FIRST SHOULDER IN

•

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

•

SHOULDER DIAMETER: 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM FIRST SHOULDER IN

•

THREAD LENGTH: 0.400 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN

•

SHOULDER SHAPE: ROUND FIRST SHOULDER

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
FASTENER LENGTH	1.598 INCHES MINIMUM AND 1.628 INCHES MAXIMUM IN
SHOULDER LENGTH	1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER	0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH	0.400 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
SHOULDER SHAPE	ROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	DISHED HEXAGON

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

S11.1065-4D19Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

VS3251-4D19Reference document

Same NSN cross-reference

Reference document — Secondary 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 ST3M494-4D19?

ST3M494-4D19 is a BOLT,SHOULDER.

What parts can replace ST3M494-4D19?

There are 2 known substitutes for ST3M494-4D19: S11.1065-4D19, VS3251-4D19. Substitute compatibility should be verified for your specific system.

What is the NSN for ST3M494-4D19?

ST3M494-4D19 is cataloged in the U.S. Government catalog under NSN 5306-01-183-1482. This indicates validated use in U.S. government and defense supply chains.

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