343-0311-000 — SCREW,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

343-0311-000: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN, head_height: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN, thread_length: 0.407 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, screw_material: COPPER ALLOY. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-252-9666, 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

343-0311-000

NSN: 5305-00-252-9666
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	0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
thread_class	2A A
head_diameter	0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
thread_length	0.407 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
screw_material	COPPER ALLOY
fastener_length	0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
internal_drive_style	CROSS RECESS TYPE 1
nominal_thread_diameter	0.164 INCHES IN
screw_surface_treatment	NICKEL
minimum_tensile_strength	55000 POUNDS PER SQUARE INCH LBS
NSN	5305-00-252-9666

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN

•

SCREW SURFACE TREATMENT: NICKEL

•

FASTENER LENGTH: 0.469 INCHES MINIMUM AND 0.500 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: 0.407 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN

•

NOMINAL THREAD DIAMETER: 0.164 INCHES IN

•

HEAD STYLE: PAN

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
SCREW SURFACE TREATMENT	NICKEL
FASTENER LENGTH	0.469 INCHES MINIMUM AND 0.500 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	0.407 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER	0.164 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 2

FF-S-92Reference document

Same NSN cross-reference

Reference document — Identification reference

P343-0311-000Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 343-0311-000?

343-0311-000 is a SCREW,MACHINE.

What parts can replace 343-0311-000?

There are 2 known substitutes for 343-0311-000: FF-S-92, P343-0311-000. Substitute compatibility should be verified for your specific system.

What is the NSN for 343-0311-000?

343-0311-000 is cataloged in the U.S. Government catalog under NSN 5305-00-252-9666. This indicates validated use in U.S. government and defense supply chains.

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