S235A163 — SCREW,EXTERNALLY RELIEVED BODY

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

S235A163: 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: FLAT COUNTERSUNK, point_style: CONE, thread_class: 2A A, head_diameter: 0.238 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN, thread_length: 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-405-9919, 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

S235A163

NSN: 5305-01-405-9919
FSC: 5305 — Screws
CAGE: 78711 — TELEPHONICS 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	FLAT COUNTERSUNK
point_style	CONE
thread_class	2A A
head_diameter	0.238 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN
thread_length	0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
fastener_length	0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
surface_treatment	PASSIVATE OVERALL
internal_drive_style	CROSS RECESS TYPE 1
nominal_thread_diameter	0.138 INCHES IN
NSN	5305-01-405-9919

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN

•

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

•

THREAD LENGTH: 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66 FED STD ALL MATERIAL RESPONSES OVERALL

•

FIRST DIAMETER FROM HEAD: 0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN

•

NOMINAL THREAD DIAMETER: 0.138 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	FED STD 66 FED STD ALL MATERIAL RESPONSES OVERALL
FIRST DIAMETER FROM HEAD	0.085 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER	0.138 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
POINT STYLE	CONE
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.313 INCHES NOMINAL IN

OTHER ITEMS IN FSC 5305 — Screws

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831

SUBSTITUTES & CROSS-REFERENCES 1

S235A163-106Reference 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 S235A163?

S235A163 is a SCREW,EXTERNALLY RELIEVED BODY.

What parts can replace S235A163?

There is 1 known substitute for S235A163: S235A163-106. Substitute compatibility should be verified for your specific system.

What is the NSN for S235A163?

S235A163 is cataloged in the U.S. Government catalog under NSN 5305-01-405-9919. This indicates validated use in U.S. government and defense supply chains.

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