M34AS420R10C — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

M34AS420R10C: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: OVAL COUNTERSUNK, thread_class: 2A A, head_diameter: 0.452 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN, thread_length: 0.625 INCHES MAXIMUM IN, fastener_length: 0.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-078-7021, 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

M34AS420R10C

NSN: 5305-00-078-7021
FSC: 5305 — Screws
CAGE: 26233 — NYLOK LLC (USA)

SPECIFICATIONS

material	STEEL OVERALL
head_style	OVAL COUNTERSUNK
thread_class	2A A
head_diameter	0.452 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
thread_length	0.625 INCHES MAXIMUM IN
fastener_length	0.625 INCHES NOMINAL IN
locking_feature	PATCH THREADS
thread_direction	RIGHT-HAND
countersink_angle	80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
surface_treatment	CADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL
internal_drive_style	CROSS RECESS TYPE 1
nominal_thread_diameter	0.250 INCHES IN
NSN	5305-00-078-7021

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 0.625 INCHES NOMINAL IN

•

THREAD LENGTH: 0.625 INCHES MAXIMUM IN

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

•

HEAD STYLE: OVAL COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

•

LOCKING FEATURE: PATCH THREADS

•

SURFACE TREATMENT: CADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL

•

INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	0.625 INCHES NOMINAL IN
THREAD LENGTH	0.625 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	OVAL COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
LOCKING FEATURE	PATCH THREADS
SURFACE TREATMENT	CADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
COUNTERSINK ANGLE	80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
THREAD CLASS	2A A

SUBSTITUTES & CROSS-REFERENCES 3

5305000787021Reference document

Same NSN cross-reference

Reference document — Informative reference only

8743911Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

8743903Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is M34AS420R10C?

M34AS420R10C is a SCREW,CAP,SOCKET HEAD.

What parts can replace M34AS420R10C?

There are 3 known substitutes for M34AS420R10C: 5305000787021, 8743911, 8743903. Substitute compatibility should be verified for your specific system.

What is the NSN for M34AS420R10C?

M34AS420R10C is cataloged in the U.S. Government catalog under NSN 5305-00-078-7021. This indicates validated use in U.S. government and defense supply chains.

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