6406843-30 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

6406843-30: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 502 OVERALL, head_style: FLAT CHAMFER, head_height: 0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN, thread_length: 0.280 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-451-0526, 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

6406843-30

NSN: 5305-01-451-0526
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)

SPECIFICATIONS

material	NICKEL ALLOY 502 OVERALL
head_style	FLAT CHAMFER
head_height	0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
thread_class	3A A
head_diameter	0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
thread_length	0.280 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
fastener_length	0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
locking_feature	PATCH THREADS
thread_direction	RIGHT-HAND
width_across_flats	0.156 INCHES NOMINAL IN
internal_drive_style	HEXAGON
nominal_thread_diameter	0.1900 INCHES IN
NSN	5305-01-451-0526

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.156 INCHES NOMINAL IN

•

HEAD HEIGHT: 0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN

•

THREAD LENGTH: 0.280 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281 CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.1900 INCHES IN

•

HEAD STYLE: FLAT CHAMFER

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.156 INCHES NOMINAL IN
HEAD HEIGHT	0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
FASTENER LENGTH	0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
THREAD LENGTH	0.280 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281 CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.1900 INCHES IN
HEAD STYLE	FLAT CHAMFER
THREAD DIRECTION	RIGHT-HAND
SPECIFICATION/STANDARD DATA	80204 ANSI B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
LOCKING FEATURE	PATCH THREADS

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

211048560Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

752-6406843-30Same 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 6406843-30?

6406843-30 is a SCREW,CAP,SOCKET HEAD.

What parts can replace 6406843-30?

There are 2 known substitutes for 6406843-30: 211048560, 752-6406843-30. Substitute compatibility should be verified for your specific system.

What is the NSN for 6406843-30?

6406843-30 is cataloged in the U.S. Government catalog under NSN 5305-01-451-0526. This indicates validated use in U.S. government and defense supply chains.

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6406843-30 — SCREW,CAP,SOCKET HEAD

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