343-105 — SCREW,EXTERNALLY RELIEVED BODY

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

343-105: SCREW,EXTERNALLY RELIEVED BODY.

The SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL, head_style: PAN NO. 2, head_height: 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN, thread_length: 0.172 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-165-9161, 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

343-105

NSN: 5305-01-165-9161
FSC: 5305 — Screws
CAGE: 08748 — ELDEC AEROSPACE CORP (USA)

SPECIFICATIONS

material	STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL
head_style	PAN NO. 2
head_height	0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
thread_class	2A A
head_diameter	0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
thread_length	0.172 INCHES NOMINAL IN
fastener_length	0.500 INCHES NOMINAL IN
special_features	MAKE FROM MS51957-30
thread_direction	RIGHT-HAND
surface_treatment	PASSIVATE OVERALL
internal_drive_style	CROSS RECESS TYPE 1
nominal_thread_diameter	0.138 INCHES IN
NSN	5305-01-165-9161

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.500 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-F-14072-E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.172 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OR AISI ASSN STD ALL MATERIAL RESPONSES OR SAE ASSN STD ALL MATERIAL RESPONSES OVERALL

•

FIRST DIAMETER FROM HEAD: 0.094 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN

•

NOMINAL THREAD DIAMETER: 0.138 INCHES IN

•

HEAD STYLE: PAN NO. 2

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
FASTENER LENGTH	0.500 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-F-14072-E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.172 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD ALL MATERIAL RESPONSES OR AISI ASSN STD ALL MATERIAL RESPONSES OR SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
FIRST DIAMETER FROM HEAD	0.094 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER	0.138 INCHES IN
HEAD STYLE	PAN NO. 2
THREAD DIRECTION	RIGHT-HAND
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.328 INCHES NOMINAL IN

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

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 343-105?

343-105 is a SCREW,EXTERNALLY RELIEVED BODY.

What is the NSN for 343-105?

343-105 is cataloged in the U.S. Government catalog under NSN 5305-01-165-9161. This indicates validated use in U.S. government and defense supply chains.

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343-105 — SCREW,EXTERNALLY RELIEVED BODY

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