2018863 — SCREW,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

2018863: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: BUTTON, head_height: 0.086 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.303 INCHES MINIMUM AND 0.321 INCHES MAXIMUM IN, thread_length: 0.438 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, screw_material: STEEL OR STEEL COMP 1010. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-144-3915, 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

2018863

NSN: 5305-00-144-3915
FSC: 5305 — Screws
CAGE: S4956 — EMBRAER EMPRESA BRASILEIRA DE AERONAUTICA SA (BRA)

SPECIFICATIONS

head_style	BUTTON
head_height	0.086 INCHES MAXIMUM IN
thread_class	2A A
head_diameter	0.303 INCHES MINIMUM AND 0.321 INCHES MAXIMUM IN
thread_length	0.438 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
screw_material	STEEL OR STEEL COMP 1010
fastener_length	0.500 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
internal_drive_style	CROSS RECESS TYPE 1
nominal_thread_diameter	0.138 INCHES IN
screw_surface_treatment	CADMIUM
minimum_tensile_strength	55000 POUNDS PER SQUARE INCH LBS
NSN	5305-00-144-3915

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.086 INCHES MAXIMUM IN

•

SCREW SURFACE TREATMENT: CADMIUM

•

FASTENER LENGTH: 0.500 INCHES NOMINAL IN

•

SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-630 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-631 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-634 FED SPEC 2ND MATERIAL RESPONSE

•

THREAD LENGTH: 0.438 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN

•

NOMINAL THREAD DIAMETER: 0.138 INCHES IN

•

HEAD STYLE: BUTTON

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.086 INCHES MAXIMUM IN
SCREW SURFACE TREATMENT	CADMIUM
FASTENER LENGTH	0.500 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-630 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-631 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-634 FED SPEC 2ND MATERIAL RESPONSE
THREAD LENGTH	0.438 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER	0.138 INCHES IN
HEAD STYLE	BUTTON
THREAD DIRECTION	RIGHT-HAND
SCREW MATERIAL	STEEL OR STEEL COMP 1010
MINIMUM TENSILE STRENGTH	55000 POUNDS PER SQUARE INCH LBS

SUBSTITUTES & CROSS-REFERENCES 6

515739Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

FFS92ANDTYPE3ANDSTYLE7CReference document

Same NSN cross-reference

Reference document — Identification reference

AN526-632R8Reference document

Same NSN cross-reference

Reference document — Secondary reference

415 149Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

4177400-020Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

0.13832UNC2AX0.500LGTY3STY7CReference document

Same NSN cross-reference

Reference document — Design control — primary 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 2018863?

2018863 is a SCREW,MACHINE.

What parts can replace 2018863?

There are 6 known substitutes for 2018863: 515739, FFS92ANDTYPE3ANDSTYLE7C, AN526-632R8 and 3 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 2018863?

2018863 is cataloged in the U.S. Government catalog under NSN 5305-00-144-3915. This indicates validated use in U.S. government and defense supply chains.

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