WC4049-4-7 — SCREW,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

WC4049-4-7: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN, head_diameter: 0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-147-4040, 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

WC4049-4-7

NSN: 5305-01-147-4040
FSC: 5305 — Screws
CAGE: 60516 — WEST COAST AEROSPACE, INC. (USA)

SPECIFICATIONS

material	STEEL COMP XM-13 OVERALL
head_style	FLAT COUNTERSUNK
grip_length	0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
thread_class	3A A
grip_diameter	0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
head_diameter	0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
thread_length	0.291 INCHES MINIMUM AND 0.341 INCHES MAXIMUM IN
surface_finish	32.0 MICROINCHES THREADS
fastener_length	0.739 INCHES MINIMUM AND 0.769 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
surface_treatment	PASSIVATE OVERALL
NSN	5305-01-147-4040

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 32.0 MICROINCHES THREADS

•

FASTENER LENGTH: 0.739 INCHES MINIMUM AND 0.769 INCHES MAXIMUM IN

•

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

•

THREAD LENGTH: 0.291 INCHES MINIMUM AND 0.341 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK

TECHNICAL CHARACTERISTICS

SURFACE FINISH	32.0 MICROINCHES THREADS
SURFACE FINISH	32.0 MICROINCHES GRIP
FASTENER LENGTH	0.739 INCHES MINIMUM AND 0.769 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.291 INCHES MINIMUM AND 0.341 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
GRIP LENGTH	0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN

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 3

ST3M714-4-7Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

10115442Reference document

Same NSN cross-reference

Reference document — Informative reference only

HT4049-4-7Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is WC4049-4-7?

WC4049-4-7 is a SCREW,CLOSE TOLERANCE.

What parts can replace WC4049-4-7?

There are 3 known substitutes for WC4049-4-7: ST3M714-4-7, 10115442, HT4049-4-7. Substitute compatibility should be verified for your specific system.

What is the NSN for WC4049-4-7?

WC4049-4-7 is cataloged in the U.S. Government catalog under NSN 5305-01-147-4040. This indicates validated use in U.S. government and defense supply chains.

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