E-4378 PC 30 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

E-4378 PC 30: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.280 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 2.763 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN, fastener_length: 2.906 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-384-2516, 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

E-4378 PC 30

NSN: 5305-01-384-2516
FSC: 5305 — Screws
CAGE: 07524 — DOVER PUMPS & PROCESS SOLUTIONS SEGMENT INC DBA BLACKMER DIV BLACKMER (USA)

SPECIFICATIONS

material	STEEL OVERALL
head_style	HEXAGON
head_height	0.280 INCHES NOMINAL IN
thread_class	2A A
thread_length	2.763 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN
fastener_length	2.906 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM AND CHROMATE OVERALL
width_between_flats	0.620 INCHES NOMINAL IN
nominal_thread_diameter	0.437 INCHES IN
thread_quantity_per_inch	14
thread_series_designator	UNIFIED NATIONAL COARSE (UNC)
NSN	5305-01-384-2516

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.280 INCHES NOMINAL IN

•

FASTENER LENGTH: 2.906 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35,TY2,CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 2.763 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASAE J429,GR5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.437 INCHES IN

•

HEAD STYLE: HEXAGON

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.280 INCHES NOMINAL IN
FASTENER LENGTH	2.906 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35,TY2,CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	2.763 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	ASAE J429,GR5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.437 INCHES IN
HEAD STYLE	HEXAGON
THREAD DIRECTION	RIGHT-HAND
WIDTH BETWEEN FLATS	0.620 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA	2 TYPE AND 10P STYLE AND 5 GRADE

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

FF-S-85Reference document

Same NSN cross-reference

Reference document — Identification reference

920455Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 E-4378 PC 30?

E-4378 PC 30 is a SCREW,CAP,HEXAGON HEAD.

What parts can replace E-4378 PC 30?

There are 2 known substitutes for E-4378 PC 30: FF-S-85, 920455. Substitute compatibility should be verified for your specific system.

What is the NSN for E-4378 PC 30?

E-4378 PC 30 is cataloged in the U.S. Government catalog under NSN 5305-01-384-2516. This indicates validated use in U.S. government and defense supply chains.

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