WC4027-9-16 — SCREW,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

WC4027-9-16: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 1.000 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.561 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN, head_diameter: 0.838 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-579-9838, 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

WC4027-9-16

NSN: 5305-01-579-9838
FSC: 5305 — Screws
CAGE: 60516 — WEST COAST AEROSPACE, INC. (USA)

SPECIFICATIONS

material	NICKEL ALLOY 718 OVERALL
head_style	FLAT COUNTERSUNK
grip_length	1.000 INCHES NOMINAL IN
thread_class	3A A
grip_diameter	0.561 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
head_diameter	0.838 INCHES NOMINAL IN
thread_length	0.906 INCHES NOMINAL IN
fastener_length	1.906 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
countersink_angle	100.0 DEGREES NOMINAL
internal_drive_style	HIGH-TORQUE
end_item_identification	F-15 AIRCRAFT
NSN	5305-01-579-9838

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 1.906 INCHES NOMINAL IN

•

THREAD LENGTH: 0.906 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.562 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

•

GRIP LENGTH: 1.000 INCHES NOMINAL IN

•

GRIP DIAMETER: 0.561 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	1.906 INCHES NOMINAL IN
THREAD LENGTH	0.906 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.562 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
GRIP LENGTH	1.000 INCHES NOMINAL IN
GRIP DIAMETER	0.561 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
INTERNAL DRIVE STYLE	HIGH-TORQUE
COUNTERSINK ANGLE	100.0 DEGREES NOMINAL

OTHER ITEMS IN FSC 5305 — Screws

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

5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753

SUBSTITUTES & CROSS-REFERENCES 3

HT4027-9-16Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

ST3M557-9-16Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

11923-9-16Same 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

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FREQUENTLY ASKED QUESTIONS

What is WC4027-9-16?

WC4027-9-16 is a SCREW,CLOSE TOLERANCE.

What parts can replace WC4027-9-16?

There are 3 known substitutes for WC4027-9-16: HT4027-9-16, ST3M557-9-16, 11923-9-16. Substitute compatibility should be verified for your specific system.

What is the NSN for WC4027-9-16?

WC4027-9-16 is cataloged in the U.S. Government catalog under NSN 5305-01-579-9838. This indicates validated use in U.S. government and defense supply chains.

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