7904978-01 — SETSCREW

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

7904978-01: SETSCREW.

The SETSCREW is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEADLESS (SETSCREW), point_style: OVAL, thread_class: 2A A, thread_length: 0.531 INCHES MAXIMUM IN, fastener_length: 0.609 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-003-1702, 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

7904978-01

NSN: 5305-00-003-1702
FSC: 5305 — Screws
CAGE: 90536 — LOCKHEED MARTIN CORP DBA LOCKHEED MARTIN DIV MST - EAGAN (USA)

SPECIFICATIONS

material	STEEL OVERALL
head_style	HEADLESS (SETSCREW)
point_style	OVAL
thread_class	2A A
thread_length	0.531 INCHES MAXIMUM IN
fastener_length	0.609 INCHES NOMINAL IN
locking_feature	PELLET THREADS
special_features	SPRING LOADED CASEHARDENED STEEL PLUNGER IN POINT END
thread_direction	RIGHT-HAND
internal_drive_style	SLOT
nominal_thread_diameter	0.250 INCHES IN
thread_quantity_per_inch	20
NSN	5305-00-003-1702

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 0.609 INCHES NOMINAL IN

•

THREAD LENGTH: 0.531 INCHES MAXIMUM IN

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

•

HEAD STYLE: HEADLESS (SETSCREW)

•

THREAD DIRECTION: RIGHT-HAND

•

POINT STYLE: OVAL

•

LOCKING FEATURE: PELLET THREADS

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	0.609 INCHES NOMINAL IN
THREAD LENGTH	0.531 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	HEADLESS (SETSCREW)
THREAD DIRECTION	RIGHT-HAND
POINT STYLE	OVAL
LOCKING FEATURE	PELLET THREADS
SPECIAL FEATURES	SPRING LOADED CASEHARDENED STEEL PLUNGER IN POINT END
INTERNAL DRIVE STYLE	SLOT
THREAD CLASS	2A A

SUBSTITUTES & CROSS-REFERENCES 3

0570-1049Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

12700525Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

M54NReference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 7904978-01?

7904978-01 is a SETSCREW.

What parts can replace 7904978-01?

There are 3 known substitutes for 7904978-01: 0570-1049, 12700525, M54N. Substitute compatibility should be verified for your specific system.

What is the NSN for 7904978-01?

7904978-01 is cataloged in the U.S. Government catalog under NSN 5305-00-003-1702. This indicates validated use in U.S. government and defense supply chains.

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