639-9627-001 — SCREW,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

639-9627-001: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.240 INCHES NOMINAL IN, thread_length: 0.420 INCHES NOMINAL IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-334-7895, 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

639-9627-001

NSN: 5305-01-334-7895
FSC: 5305 — Screws
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)

SPECIFICATIONS

material	STEEL COMP 303 OVERALL
head_style	FLAT COUNTERSUNK
thread_class	2A A
head_diameter	0.240 INCHES NOMINAL IN
thread_length	0.420 INCHES NOMINAL IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	0.780 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
countersink_angle	115.0 DEGREES MINIMUM AND 119.0 DEGREES MAXIMUM
shoulder_diameter	0.188 INCHES NOMINAL FIRST SHOULDER IN
surface_treatment	PASSIVATE OVERALL
internal_drive_style	SLOT
NSN	5305-01-334-7895

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 0.780 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

SHOULDER DIAMETER: 0.188 INCHES NOMINAL FIRST SHOULDER IN

•

THREAD LENGTH: 0.420 INCHES NOMINAL IN

•

SHOULDER SHAPE: ROUND FIRST SHOULDER

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.138 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	0.780 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER	0.188 INCHES NOMINAL FIRST SHOULDER IN
THREAD LENGTH	0.420 INCHES NOMINAL IN
SHOULDER SHAPE	ROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.138 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
SURFACE TREATMENT	PASSIVATE OVERALL

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

No substitute or cross-reference records for this part.

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 639-9627-001?

639-9627-001 is a SCREW,SHOULDER.

What is the NSN for 639-9627-001?

639-9627-001 is cataloged in the U.S. Government catalog under NSN 5305-01-334-7895. This indicates validated use in U.S. government and defense supply chains.

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639-9627-001 — SCREW,SHOULDER

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