ST3M506-3-25-1 — SCREW,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

ST3M506-3-25-1: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALLUNABLE TO DECODE, head_style: OVAL COUNTERSUNK, thread_class: 3A A, head_diameter: 0.3275 INCHES MINIMUM AND 0.3325 INCHES MAXIMUM IN, thread_length: 0.305 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDERUNABLE TO DECODE. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-210-0780, 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

ST3M506-3-25-1

NSN: 5305-01-210-0780
FSC: 5305 — Screws
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALLUNABLE TO DECODE
head_style	OVAL COUNTERSUNK
thread_class	3A A
head_diameter	0.3275 INCHES MINIMUM AND 0.3325 INCHES MAXIMUM IN
thread_length	0.305 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN
shoulder_shape	ROUND FIRST SHOULDERUNABLE TO DECODE
fastener_length	1.878 INCHES MINIMUM AND 1.908 INCHES MAXIMUM IN
special_features	INTERNAL HEXAGON SOCKET IN THREADED END 0.0791 IN. MIN AND 0.0806 IN. MAX WIDTH ACROSS FLATS IN
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
shoulder_diameter	0.2177 INCHES MINIMUM AND 0.2182 INCHES MAXIMUM FIRST SHOULDER IN
internal_drive_style	HIGH-TORQUE
NSN	5305-01-210-0780

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 1.878 INCHES MINIMUM AND 1.908 INCHES MAXIMUM IN

•

SHOULDER DIAMETER: 0.2177 INCHES MINIMUM AND 0.2182 INCHES MAXIMUM FIRST SHOULDER IN

•

THREAD LENGTH: 0.305 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN

•

SHOULDER SHAPE: ROUND FIRST SHOULDERUNABLE TO DECODE

•

NOMINAL THREAD DIAMETER: 0.190 INCHES IN

•

HEAD STYLE: OVAL COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	1.878 INCHES MINIMUM AND 1.908 INCHES MAXIMUM IN
SHOULDER DIAMETER	0.2177 INCHES MINIMUM AND 0.2182 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH	0.305 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN
SHOULDER SHAPE	ROUND FIRST SHOULDERUNABLE TO DECODE
NOMINAL THREAD DIAMETER	0.190 INCHES IN
HEAD STYLE	OVAL COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
SPECIAL FEATURES	INTERNAL HEXAGON SOCKET IN THREADED END 0.0791 IN. MIN AND 0.0806 IN. MAX WIDTH ACROSS FLATS IN
INTERNAL DRIVE STYLE	HIGH-TORQUE
COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM

OTHER ITEMS IN FSC 5305 — Screws

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831

SUBSTITUTES & CROSS-REFERENCES 2

HT4016-3-25YReference document

Same NSN cross-reference

Reference document — Secondary reference

11919-3-25-1Same 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

Ready to buy ST3M506-3-25-1?

Compare prices from verified sellers on eBay

Buy on eBay →

As an eBay Partner, PartsTable may earn a commission. Your price is not affected.

FREQUENTLY ASKED QUESTIONS

What is ST3M506-3-25-1?

ST3M506-3-25-1 is a SCREW,SHOULDER.

What parts can replace ST3M506-3-25-1?

There are 2 known substitutes for ST3M506-3-25-1: HT4016-3-25Y, 11919-3-25-1. Substitute compatibility should be verified for your specific system.

What is the NSN for ST3M506-3-25-1?

ST3M506-3-25-1 is cataloged in the U.S. Government catalog under NSN 5305-01-210-0780. This indicates validated use in U.S. government and defense supply chains.

Community Feedback

ST3M506-3-25-1 — SCREW,SHOULDER

Request a Quote — ST3M506-3-25-1