03A509-3-8C — SCREW,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

03A509-3-8C: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY UNS R56400 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.328 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, thread_length: 0.345 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-477-9708, 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

03A509-3-8C

NSN: 5305-01-477-9708
FSC: 5305 — Screws
CAGE: 1W025 — NORTHROP GRUMMAN SYSTEMS CORP DBA NORTHROP GRUMMAN COMPUTING SYSTEMS (USA)

SPECIFICATIONS

material	TITANIUM ALLOY UNS R56400 OVERALL
head_style	FLAT COUNTERSUNK
thread_class	3A A
head_diameter	0.328 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
thread_length	0.345 INCHES MAXIMUM IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	0.845 INCHES MAXIMUM IN
shoulder_length	0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM ALL SHOULDERS IN
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
shoulder_diameter	0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM FIRST SHOULDER IN
internal_drive_style	TORX
NSN	5305-01-477-9708

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 0.845 INCHES MAXIMUM IN

•

SHOULDER LENGTH: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM ALL SHOULDERS IN

•

SHOULDER DIAMETER: 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM FIRST SHOULDER IN

•

THREAD LENGTH: 0.345 INCHES MAXIMUM IN

•

SHOULDER SHAPE: ROUND FIRST SHOULDER

•

MATERIAL DOCUMENT AND CLASSIFICATION: 6AL-4VTITANIUMALLOYPERAMS4928 ASSN STD 1ST MATERIAL RESPONSE OR AMS4967 ASSN STD 2ND MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.190 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	0.845 INCHES MAXIMUM IN
SHOULDER LENGTH	0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM ALL SHOULDERS IN
SHOULDER DIAMETER	0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH	0.345 INCHES MAXIMUM IN
SHOULDER SHAPE	ROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATION	6AL-4VTITANIUMALLOYPERAMS4928 ASSN STD 1ST MATERIAL RESPONSE OR AMS4967 ASSN STD 2ND MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
MINIMUM TENSILE STRENGTH	3180 POUNDS PER SQUARE INCH LBS

SUBSTITUTES & CROSS-REFERENCES 1

03A509Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 03A509-3-8C?

03A509-3-8C is a SCREW,SHOULDER.

What parts can replace 03A509-3-8C?

There is 1 known substitute for 03A509-3-8C: 03A509. Substitute compatibility should be verified for your specific system.

What is the NSN for 03A509-3-8C?

03A509-3-8C is cataloged in the U.S. Government catalog under NSN 5305-01-477-9708. This indicates validated use in U.S. government and defense supply chains.

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03A509-3-8C — SCREW,SHOULDER

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