343-0346-000 — SCREW,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

343-0346-000: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN, head_height: 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN, thread_length: 0.344 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN, screw_material: COPPER ALLOY. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-252-9680, 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

343-0346-000

NSN: 5305-00-252-9680
FSC: 5305 — Screws
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)

SPECIFICATIONS

head_style	PAN
head_height	0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
thread_class	2A A
head_diameter	0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
thread_length	0.344 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
screw_material	COPPER ALLOY
fastener_length	0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
internal_drive_style	CROSS RECESS TYPE 1
nominal_thread_diameter	0.190 INCHES IN
screw_surface_treatment	NICKEL
minimum_tensile_strength	55000 POUNDS PER SQUARE INCH LBS
NSN	5305-00-252-9680

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN

•

SCREW SURFACE TREATMENT: NICKEL

•

FASTENER LENGTH: 0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN

•

SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE

•

THREAD LENGTH: 0.344 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN

•

NOMINAL THREAD DIAMETER: 0.190 INCHES IN

•

HEAD STYLE: PAN

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
SCREW SURFACE TREATMENT	NICKEL
FASTENER LENGTH	0.406 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATION	QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE
THREAD LENGTH	0.344 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER	0.190 INCHES IN
HEAD STYLE	PAN
THREAD DIRECTION	RIGHT-HAND
SCREW MATERIAL	COPPER ALLOY
MINIMUM TENSILE STRENGTH	55000 POUNDS PER SQUARE INCH LBS

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 1

P343-0346-000Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 343-0346-000?

343-0346-000 is a SCREW,MACHINE.

What parts can replace 343-0346-000?

There is 1 known substitute for 343-0346-000: P343-0346-000. Substitute compatibility should be verified for your specific system.

What is the NSN for 343-0346-000?

343-0346-000 is cataloged in the U.S. Government catalog under NSN 5305-00-252-9680. This indicates validated use in U.S. government and defense supply chains.

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