AN520-416R18 — SCREW,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

AN520-416R18: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: ROUND, head_height: 0.175 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN, thread_length: 0.992 INCHES MINIMUM AND 1.063 INCHES MAXIMUM IN, screw_material: STEEL. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-151-0593, 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

AN520-416R18

NSN: 5305-00-151-0593
FSC: 5305 — Screws
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)

SPECIFICATIONS

head_style	ROUND
head_height	0.175 INCHES MAXIMUM IN
thread_class	2A A
head_diameter	0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN
thread_length	0.992 INCHES MINIMUM AND 1.063 INCHES MAXIMUM IN
screw_material	STEEL
fastener_length	1.063 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
internal_drive_style	CROSS RECESS TYPE 1
nominal_thread_diameter	0.250 INCHES IN
screw_surface_treatment	CADMIUM
minimum_tensile_strength	55000 POUNDS PER SQUARE INCH LBS
NSN	5305-00-151-0593

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.175 INCHES MAXIMUM IN

•

SCREW SURFACE TREATMENT: CADMIUM

•

FASTENER LENGTH: 1.063 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN

•

SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE

•

THREAD LENGTH: 0.992 INCHES MINIMUM AND 1.063 INCHES MAXIMUM IN

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

•

HEAD STYLE: ROUND

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.175 INCHES MAXIMUM IN
SCREW SURFACE TREATMENT	CADMIUM
FASTENER LENGTH	1.063 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE
THREAD LENGTH	0.992 INCHES MINIMUM AND 1.063 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	ROUND
THREAD DIRECTION	RIGHT-HAND
SCREW MATERIAL	STEEL
MINIMUM TENSILE STRENGTH	55000 POUNDS PER SQUARE INCH LBS

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 2

7104-6313Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

FFS92TYPE3STYLE1CReference document

Same NSN cross-reference

Reference document — Identification reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is AN520-416R18?

AN520-416R18 is a SCREW,MACHINE.

What parts can replace AN520-416R18?

There are 2 known substitutes for AN520-416R18: 7104-6313, FFS92TYPE3STYLE1C. Substitute compatibility should be verified for your specific system.

What is the NSN for AN520-416R18?

AN520-416R18 is cataloged in the U.S. Government catalog under NSN 5305-00-151-0593. This indicates validated use in U.S. government and defense supply chains.

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