20506-63 — SCREW,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

20506-63: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FILLISTER, head_height: 0.069 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.166 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN, thread_length: 0.325 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, fastener_length: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-013-1835, 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

20506-63

NSN: 5305-00-013-1835
FSC: 5305 — Screws
CAGE: 83298 — ALLIED SIGNAL INC AEROSPACE EQUIPMENT SYSTEMS EATONTOWN SITE (USA)

SPECIFICATIONS

head_style	FILLISTER
head_height	0.069 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
thread_class	2A A
head_diameter	0.166 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN
thread_length	0.325 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
fastener_length	0.375 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
internal_drive_style	CROSS RECESS TYPE 1
nominal_thread_diameter	0.112 INCHES IN
screw_surface_treatment	CADMIUM OR ZINC
thread_quantity_per_inch	40
thread_series_designator	UNIFIED NATIONAL COARSE (UNC)
NSN	5305-00-013-1835

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.069 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN

•

SCREW SURFACE TREATMENT: CADMIUM OR ZINC

•

FASTENER LENGTH: 0.375 INCHES NOMINAL IN

•

SCREW MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD ALL MATERIAL RESPONSES

•

THREAD LENGTH: 0.325 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN

•

NOMINAL THREAD DIAMETER: 0.112 INCHES IN

•

HEAD STYLE: FILLISTER

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.069 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
SCREW SURFACE TREATMENT	CADMIUM OR ZINC
FASTENER LENGTH	0.375 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATION	SAE ASSN STD ALL MATERIAL RESPONSES
THREAD LENGTH	0.325 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER	0.112 INCHES IN
HEAD STYLE	FILLISTER
THREAD DIRECTION	RIGHT-HAND
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
THREAD CLASS	2A A

SUBSTITUTES & CROSS-REFERENCES 6

L40A75Reference document

Same NSN cross-reference

Reference document — Secondary reference

FFS92Reference document

Same NSN cross-reference

Reference document — Identification reference

AN500-4-6Reference document

Same NSN cross-reference

Reference document — Secondary reference

42-375C2A22Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

980835Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

131835Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 20506-63?

20506-63 is a SCREW,MACHINE.

What parts can replace 20506-63?

There are 6 known substitutes for 20506-63: L40A75, FFS92, AN500-4-6 and 3 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 20506-63?

20506-63 is cataloged in the U.S. Government catalog under NSN 5305-00-013-1835. This indicates validated use in U.S. government and defense supply chains.

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