AN520-3-6 — SCREW,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

AN520-3-6: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: ROUND, head_height: 0.078 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.169 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN, thread_length: 0.339 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, screw_material: STEEL COMP 1010. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-151-3752, 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

AN520-3-6

NSN: 5305-00-151-3752
FSC: 5305 — Screws
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)

SPECIFICATIONS

head_style	ROUND
head_height	0.078 INCHES MAXIMUM IN
thread_class	2A A
head_diameter	0.169 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
thread_length	0.339 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
screw_material	STEEL COMP 1010
fastener_length	0.375 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
internal_drive_style	CROSS RECESS TYPE 1
nominal_thread_diameter	0.099 INCHES IN
screw_surface_treatment	CADMIUM
minimum_tensile_strength	55000 POUNDS PER SQUARE INCH LBS
NSN	5305-00-151-3752

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.078 INCHES MAXIMUM IN

•

SCREW SURFACE TREATMENT: CADMIUM

•

FASTENER LENGTH: 0.375 INCHES NOMINAL IN

•

SCREW MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A575 ASSN STD SINGLE MATERIAL RESPONSE

•

THREAD LENGTH: 0.339 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN

•

NOMINAL THREAD DIAMETER: 0.099 INCHES IN

•

HEAD STYLE: ROUND

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.078 INCHES MAXIMUM IN
SCREW SURFACE TREATMENT	CADMIUM
FASTENER LENGTH	0.375 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A575 ASSN STD SINGLE MATERIAL RESPONSE
THREAD LENGTH	0.339 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER	0.099 INCHES IN
HEAD STYLE	ROUND
THREAD DIRECTION	RIGHT-HAND
SCREW MATERIAL	STEEL COMP 1010
MINIMUM TENSILE STRENGTH	55000 POUNDS PER SQUARE INCH LBS

SUBSTITUTES & CROSS-REFERENCES 2

850077Reference document

Same NSN cross-reference

Reference document — Secondary reference

FF-S-92BReference document

Same NSN cross-reference

Reference document — Identification reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

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

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FREQUENTLY ASKED QUESTIONS

What is AN520-3-6?

AN520-3-6 is a SCREW,MACHINE.

What parts can replace AN520-3-6?

There are 2 known substitutes for AN520-3-6: 850077, FF-S-92B. Substitute compatibility should be verified for your specific system.

What is the NSN for AN520-3-6?

AN520-3-6 is cataloged in the U.S. Government catalog under NSN 5305-00-151-3752. This indicates validated use in U.S. government and defense supply chains.

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