ST3M506-5-11 — SCREW,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

ST3M506-5-11: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.461 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN, thread_length: 0.431 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-047-6345, 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

ST3M506-5-11

NSN: 5305-01-047-6345
FSC: 5305 — Screws
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

material	STEEL COMP XM-13 OVERALL
head_style	FLAT COUNTERSUNK
thread_class	3A A
head_diameter	0.461 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
thread_length	0.431 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	1.129 INCHES MINIMUM AND 1.176 INCHES MAXIMUM IN
shoulder_length	0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM FIRST SHOULDER IN
special_features	INTERNAL HEXAGON SOCKET 0.127 IN. MIN AND 0.130 IN. MAX WIDTH ACROSS FLATS,0.160 IN. DEEP IN THREAD END IN
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
shoulder_diameter	0.342 INCHES MINIMUM AND 0.343 INCHES MAXIMUM FIRST SHOULDER IN
NSN	5305-01-047-6345

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 1.129 INCHES MINIMUM AND 1.176 INCHES MAXIMUM IN

•

SHOULDER LENGTH: 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM FIRST SHOULDER IN

•

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

•

SHOULDER DIAMETER: 0.342 INCHES MINIMUM AND 0.343 INCHES MAXIMUM FIRST SHOULDER IN

•

THREAD LENGTH: 0.431 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN

•

SHOULDER SHAPE: ROUND FIRST SHOULDER

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.312 INCHES IN

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	1.129 INCHES MINIMUM AND 1.176 INCHES MAXIMUM IN
SHOULDER LENGTH	0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER	0.342 INCHES MINIMUM AND 0.343 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH	0.431 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN
SHOULDER SHAPE	ROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.312 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND

SUBSTITUTES & CROSS-REFERENCES 2

ST3M506Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

HT4011-5-11Reference 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 ST3M506-5-11?

ST3M506-5-11 is a SCREW,SHOULDER.

What parts can replace ST3M506-5-11?

There are 2 known substitutes for ST3M506-5-11: ST3M506, HT4011-5-11. Substitute compatibility should be verified for your specific system.

What is the NSN for ST3M506-5-11?

ST3M506-5-11 is cataloged in the U.S. Government catalog under NSN 5305-01-047-6345. This indicates validated use in U.S. government and defense supply chains.

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