03A520-4-7C — SCREW,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

03A520-4-7C: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.449 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN, thread_length: 0.498 INCHES NOMINAL IN, screw_material: COBALT COMP MP-35-N, fastener_length: 0.935 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-571-6151, 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

03A520-4-7C

NSN: 5305-01-571-6151
FSC: 5305 — Screws
CAGE: 1W025 — NORTHROP GRUMMAN SYSTEMS CORP DBA NORTHROP GRUMMAN COMPUTING SYSTEMS (USA)

SPECIFICATIONS

head_style	FLAT COUNTERSUNK
thread_class	3A A
head_diameter	0.449 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
thread_length	0.498 INCHES NOMINAL IN
screw_material	COBALT COMP MP-35-N
fastener_length	0.935 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
countersink_angle	100.0 DEGREES NOMINAL
internal_drive_style	TORX
end_item_identification	B-2 BOMBER
nominal_thread_diameter	0.250 INCHES IN
thread_quantity_per_inch	28
NSN	5305-01-571-6151

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 0.935 INCHES NOMINAL IN

•

SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AMS5844 ASSN STD SINGLE MATERIAL RESPONSE

•

THREAD LENGTH: 0.498 INCHES NOMINAL IN

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

•

SCREW MATERIAL: COBALT COMP MP-35-N

•

INTERNAL DRIVE STYLE: TORX

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	0.935 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATION	AMS5844 ASSN STD SINGLE MATERIAL RESPONSE
THREAD LENGTH	0.498 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
SCREW MATERIAL	COBALT COMP MP-35-N
INTERNAL DRIVE STYLE	TORX
COUNTERSINK ANGLE	100.0 DEGREES NOMINAL
THREAD CLASS	3A A

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

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

Demilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is 03A520-4-7C?

03A520-4-7C is a SCREW,MACHINE.

What is the NSN for 03A520-4-7C?

03A520-4-7C is cataloged in the U.S. Government catalog under NSN 5305-01-571-6151. This indicates validated use in U.S. government and defense supply chains.

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03A520-4-7C — SCREW,MACHINE

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