SS5112-540 — SCREW,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

SS5112-540: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 631 OR STEEL COMP 302 SPRING, head_style: CROWNED HEXAGON, grip_length: 2.500 INCHES MINIMUM AND 2.516 INCHES MAXIMUM IN, head_height: 0.157 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.3112 INCHES MINIMUM AND 0.3117 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-169-8255, 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

SS5112-540

NSN: 5305-01-169-8255
FSC: 5305 — Screws
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)

SPECIFICATIONS

material	STEEL COMP 631 OR STEEL COMP 302 SPRING
head_style	CROWNED HEXAGON
grip_length	2.500 INCHES MINIMUM AND 2.516 INCHES MAXIMUM IN
head_height	0.157 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
thread_class	3A A
grip_diameter	0.3112 INCHES MINIMUM AND 0.3117 INCHES MAXIMUM IN
thread_length	0.306 INCHES MINIMUM AND 0.357 INCHES MAXIMUM IN
surface_finish	32.0 MICROINCHES GRIP
fastener_length	2.978 INCHES MINIMUM AND 2.998 INCHES MAXIMUM IN
locking_feature	DETENT BALL GRIP
thread_direction	RIGHT-HAND
surface_treatment	PASSIVATE OVERALL
NSN	5305-01-169-8255

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 32.0 MICROINCHES GRIP

•

HEAD HEIGHT: 0.157 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN

•

FASTENER LENGTH: 2.978 INCHES MINIMUM AND 2.998 INCHES MAXIMUM IN

•

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

•

THREAD LENGTH: 0.306 INCHES MINIMUM AND 0.357 INCHES MAXIMUM IN

•

SHANK UNTHREADED HOLE DIAMETER: 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

SURFACE FINISH	32.0 MICROINCHES GRIP
SURFACE FINISH	32.0 MICROINCHES BEARING SURFACE OF HEAD
HEAD HEIGHT	0.157 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
FASTENER LENGTH	2.978 INCHES MINIMUM AND 2.998 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.306 INCHES MINIMUM AND 0.357 INCHES MAXIMUM IN
SHANK UNTHREADED HOLE DIAMETER	0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.312 INCHES IN
HEAD STYLE	CROWNED HEXAGON

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

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

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FREQUENTLY ASKED QUESTIONS

What is SS5112-540?

SS5112-540 is a SCREW,CLOSE TOLERANCE.

What is the NSN for SS5112-540?

SS5112-540 is cataloged in the U.S. Government catalog under NSN 5305-01-169-8255. This indicates validated use in U.S. government and defense supply chains.

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