4542B20H07 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

4542B20H07: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY K-500 OVERALL, head_style: FLAT CHAMFER, thread_class: 2A A, thread_length: 3.500 INCHES NOMINAL IN, fastener_length: 3.500 INCHES NOMINAL IN, locking_feature: PELLET OR STRIP THREADS. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-505-2106, 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

4542B20H07

NSN: 5305-01-505-2106
FSC: 5305 — Screws
CAGE: 04808 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DIV CURTISS-WRIGHT EMD (USA)

SPECIFICATIONS

material	NICKEL ALLOY K-500 OVERALL
head_style	FLAT CHAMFER
thread_class	2A A
thread_length	3.500 INCHES NOMINAL IN
fastener_length	3.500 INCHES NOMINAL IN
locking_feature	PELLET OR STRIP THREADS
thread_direction	RIGHT-HAND
internal_drive_style	HEXAGON
end_item_identification	SUPPORT EQUIPMENT
nominal_thread_diameter	1.000 INCHES IN
thread_quantity_per_inch	8
thread_series_designator	UNIFIED NATIONAL COARSE (UNC)
NSN	5305-01-505-2106

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 3.500 INCHES NOMINAL IN

•

THREAD LENGTH: 3.500 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-286 FED SPEC 1ST MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 1.000 INCHES IN

•

HEAD STYLE: FLAT CHAMFER

•

THREAD DIRECTION: RIGHT-HAND

•

LOCKING FEATURE: PELLET OR STRIP THREADS

•

INTERNAL DRIVE STYLE: HEXAGON

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	3.500 INCHES NOMINAL IN
THREAD LENGTH	3.500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-286 FED SPEC 1ST MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	1.000 INCHES IN
HEAD STYLE	FLAT CHAMFER
THREAD DIRECTION	RIGHT-HAND
LOCKING FEATURE	PELLET OR STRIP THREADS
INTERNAL DRIVE STYLE	HEXAGON
THREAD CLASS	2A A
END ITEM IDENTIFICATION	SUPPORT EQUIPMENT

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

4D98023 ITEM 34Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

FF-S-86Reference document

Same NSN cross-reference

Reference document — Identification reference

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 4542B20H07?

4542B20H07 is a SCREW,CAP,SOCKET HEAD.

What parts can replace 4542B20H07?

There are 2 known substitutes for 4542B20H07: 4D98023 ITEM 34, FF-S-86. Substitute compatibility should be verified for your specific system.

What is the NSN for 4542B20H07?

4542B20H07 is cataloged in the U.S. Government catalog under NSN 5305-01-505-2106. This indicates validated use in U.S. government and defense supply chains.

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