1018638-1 — SCREW,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

1018638-1: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include thread_class: 3A A, head_diameter: 0.467 INCHES NOMINAL IN, thread_length: 0.875 INCHES NOMINAL IN, screw_material: STEEL, spline_major_diameter: 0.2455 INCHES NOMINAL IN, end_item_identification: C130J. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-672-3102, 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

1018638-1

NSN: 5305-01-672-3102
FSC: 5305 — Screws
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)

SPECIFICATIONS

thread_class	3A A
head_diameter	0.467 INCHES NOMINAL IN
thread_length	0.875 INCHES NOMINAL IN
screw_material	STEEL
spline_major_diameter	0.2455 INCHES NOMINAL IN
end_item_identification	C130J
nominal_thread_diameter	0.250 INCHES IN
thread_quantity_per_inch	28
thread_series_designator	UNIFIED NATIONAL JOINT FINE (UNJF)
head_hole_configuration_style	ROUND INTERNAL HEXAGON
part_name_assigned_by_controlling_agency	SCREW,MACINE-FLAT
screw_material_document_and_classification	AMS5853 ASSN STD SINGLE MATERIAL RESPONSE
NSN	5305-01-672-3102

COMPONENT DIAGRAM

KEY FEATURES

•

SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AMS5853 ASSN STD SINGLE MATERIAL RESPONSE

•

THREAD LENGTH: 0.875 INCHES NOMINAL IN

•

SPLINE MAJOR DIAMETER: 0.2455 INCHES NOMINAL IN

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

•

SCREW MATERIAL: STEEL

•

THREAD CLASS: 3A A

TECHNICAL CHARACTERISTICS

SCREW MATERIAL DOCUMENT AND CLASSIFICATION	AMS5853 ASSN STD SINGLE MATERIAL RESPONSE
THREAD LENGTH	0.875 INCHES NOMINAL IN
SPLINE MAJOR DIAMETER	0.2455 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER	0.250 INCHES IN
SCREW MATERIAL	STEEL
PART NAME ASSIGNED BY CONTROLLING AGENCY	SCREW,MACINE-FLAT
THREAD CLASS	3A A
END ITEM IDENTIFICATION	C130J
THREAD QUANTITY PER INCH	28
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)

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

377X-1018638Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 1018638-1?

1018638-1 is a SCREW,MACHINE.

What parts can replace 1018638-1?

There is 1 known substitute for 1018638-1: 377X-1018638. Substitute compatibility should be verified for your specific system.

What is the NSN for 1018638-1?

1018638-1 is cataloged in the U.S. Government catalog under NSN 5305-01-672-3102. This indicates validated use in U.S. government and defense supply chains.

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1018638-1 — SCREW,MACHINE

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