5581439 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

5581439: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: PAN, head_height: 0.175 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.492 INCHES NOMINAL IN, thread_length: 0.245 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-203-8346, 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

5581439

NSN: 5305-01-203-8346
FSC: 5305 — Screws
CAGE: 34623 — AM GENERAL LLC (USA)

SPECIFICATIONS

material	STEEL OVERALL
head_style	PAN
head_height	0.175 INCHES NOMINAL IN
thread_class	2A A
head_diameter	0.492 INCHES NOMINAL IN
thread_length	0.245 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
fastener_length	0.345 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
locking_feature	PATCH THREADS
thread_direction	RIGHT-HAND
surface_treatment	CADMIUM OVERALL
internal_drive_style	CROSS RECESS TYPE 1
nominal_thread_diameter	0.250 INCHES IN
NSN	5305-01-203-8346

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.175 INCHES NOMINAL IN

•

FASTENER LENGTH: 0.345 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN

•

THREAD LENGTH: 0.245 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

•

HEAD STYLE: PAN

•

THREAD DIRECTION: RIGHT-HAND

•

LOCKING FEATURE: PATCH THREADS

•

SURFACE TREATMENT: CADMIUM OVERALL

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.175 INCHES NOMINAL IN
FASTENER LENGTH	0.345 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
THREAD LENGTH	0.245 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	PAN
THREAD DIRECTION	RIGHT-HAND
LOCKING FEATURE	PATCH THREADS
SURFACE TREATMENT	CADMIUM OVERALL
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
THREAD CLASS	2A A

OTHER ITEMS IN FSC 5305 — Screws

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831

SUBSTITUTES & CROSS-REFERENCES 2

PL25D040P6Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

5305PL0816970Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 5581439?

5581439 is a SCREW,CAP,SOCKET HEAD.

What parts can replace 5581439?

There are 2 known substitutes for 5581439: PL25D040P6, 5305PL0816970. Substitute compatibility should be verified for your specific system.

What is the NSN for 5581439?

5581439 is cataloged in the U.S. Government catalog under NSN 5305-01-203-8346. This indicates validated use in U.S. government and defense supply chains.

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5581439 — SCREW,CAP,SOCKET HEAD

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