04-21421 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

04-21421: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: PAN NO. 2, head_height: 2.9 MILLIMETERS NOMINAL MM, head_diameter: 7.8 MILLIMETERS NOMINAL MM, fastener_length: 12.0 MILLIMETERS NOMINAL MM, special_features: SCREW TAP SIZE: M4 X 0.7.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-595-6147, 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

04-21421

NSN: 5305-01-595-6147
FSC: 5305 — Screws
CAGE: 30554 — DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER (USA)

SPECIFICATIONS

material	STEEL OVERALL
head_style	PAN NO. 2
head_height	2.9 MILLIMETERS NOMINAL MM
head_diameter	7.8 MILLIMETERS NOMINAL MM
fastener_length	12.0 MILLIMETERS NOMINAL MM
special_features	SCREW TAP SIZE: M4 X 0.7
thread_direction	RIGHT-HAND
surface_treatment	OXIDE OVERALL
internal_drive_style	TORX
thread_series_designator	M
part_name_assigned_by_controlling_agency	SCREW, PAN HEAD
NSN	5305-01-595-6147

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 2.9 MILLIMETERS NOMINAL MM

•

FASTENER LENGTH: 12.0 MILLIMETERS NOMINAL MM

•

HEAD STYLE: PAN NO. 2

•

THREAD DIRECTION: RIGHT-HAND

•

COLOR: BLACK OVERALL

•

SURFACE TREATMENT: OXIDE OVERALL

•

INTERNAL DRIVE STYLE: TORX

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	2.9 MILLIMETERS NOMINAL MM
FASTENER LENGTH	12.0 MILLIMETERS NOMINAL MM
HEAD STYLE	PAN NO. 2
THREAD DIRECTION	RIGHT-HAND
COLOR	BLACK OVERALL
SPECIAL FEATURES	SCREW TAP SIZE: M4 X 0.7
SURFACE TREATMENT	OXIDE OVERALL
INTERNAL DRIVE STYLE	TORX
PART NAME ASSIGNED BY CONTROLLING AGENCY	SCREW, PAN HEAD
MATERIAL	STEEL OVERALL

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 1

C-04-21421Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 04-21421?

04-21421 is a SCREW,CAP,SOCKET HEAD.

What parts can replace 04-21421?

There is 1 known substitute for 04-21421: C-04-21421. Substitute compatibility should be verified for your specific system.

What is the NSN for 04-21421?

04-21421 is cataloged in the U.S. Government catalog under NSN 5305-01-595-6147. This indicates validated use in U.S. government and defense supply chains.

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04-21421 — SCREW,CAP,SOCKET HEAD

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