WC8137-5-4 — SCREW,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

WC8137-5-4: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: TITANIUM OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 0.250 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN, head_diameter: 0.628 INCHES MINIMUM AND 0.634 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-584-5745, 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

WC8137-5-4

NSN: 5305-01-584-5745
FSC: 5305 — Screws
CAGE: 60516 — WEST COAST AEROSPACE, INC. (USA)

SPECIFICATIONS

material	TITANIUM OVERALL
head_style	FLAT COUNTERSUNK
grip_length	0.250 INCHES NOMINAL IN
thread_class	3A A
grip_diameter	0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
head_diameter	0.628 INCHES MINIMUM AND 0.634 INCHES MAXIMUM IN
thread_length	0.531 INCHES NOMINAL IN
fastener_length	0.781 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	5305-01-584-5745

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 0.781 INCHES NOMINAL IN

•

THREAD LENGTH: 0.531 INCHES NOMINAL IN

•

NOMINAL THREAD DIAMETER: 0.312 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

•

GRIP LENGTH: 0.250 INCHES NOMINAL IN

•

GRIP DIAMETER: 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN

•

INTERNAL DRIVE STYLE: HIGH-TORQUE

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	0.781 INCHES NOMINAL IN
THREAD LENGTH	0.531 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER	0.312 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
GRIP LENGTH	0.250 INCHES NOMINAL IN
GRIP DIAMETER	0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
INTERNAL DRIVE STYLE	HIGH-TORQUE
COUNTERSINK ANGLE	100.0 DEGREES NOMINAL
THREAD CLASS	3A A

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 2

ST3M430V5-4DSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

BM33024V5-4Same 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 WC8137-5-4?

WC8137-5-4 is a SCREW,CLOSE TOLERANCE.

What parts can replace WC8137-5-4?

There are 2 known substitutes for WC8137-5-4: ST3M430V5-4D, BM33024V5-4. Substitute compatibility should be verified for your specific system.

What is the NSN for WC8137-5-4?

WC8137-5-4 is cataloged in the U.S. Government catalog under NSN 5305-01-584-5745. This indicates validated use in U.S. government and defense supply chains.

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