121558-47BX — SCREW,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

121558-47BX: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, head_height: 0.063 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.399 INCHES MAXIMUM IN, thread_length: 0.403 INCHES NOMINAL IN, screw_material: STEEL COMP H11. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-693-4063, 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

121558-47BX

NSN: 5305-01-693-4063
FSC: 5305 — Screws
CAGE: 80539 — SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA (USA)

SPECIFICATIONS

head_style	FLAT COUNTERSUNK
head_height	0.063 INCHES NOMINAL IN
thread_class	3A A
head_diameter	0.399 INCHES MAXIMUM IN
thread_length	0.403 INCHES NOMINAL IN
screw_material	STEEL COMP H11
fastener_length	0.8405 INCHES NOMINAL IN
hardness_rating	46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
special_features	GRIP DIAMETER IS 0.2637 INCH TO 0.2643 INCH IN
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.00 DEGREES MAXIMUM
internal_drive_style	TORQUE SET
NSN	5305-01-693-4063

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.063 INCHES NOMINAL IN

•

SCREW SURFACE TREATMENT: ALUMINUM

•

FASTENER LENGTH: 0.8405 INCHES NOMINAL IN

•

SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AMS-6487 ASSN STD SINGLE MATERIAL RESPONSE

•

THREAD LENGTH: 0.403 INCHES NOMINAL IN

•

HARDNESS RATING: 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.063 INCHES NOMINAL IN
SCREW SURFACE TREATMENT	ALUMINUM
FASTENER LENGTH	0.8405 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATION	AMS-6487 ASSN STD SINGLE MATERIAL RESPONSE
THREAD LENGTH	0.403 INCHES NOMINAL IN
HARDNESS RATING	46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
SCREW MATERIAL	STEEL COMP H11

SUBSTITUTES & CROSS-REFERENCES 7

C7985Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

IAC985-4-7BRReference document

Same NSN cross-reference

Reference document — Secondary reference

121558-4-A7BXSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

VT1694B4-7RReference document

Same NSN cross-reference

Reference document — Secondary reference

SF117B4-7RReference document

Same NSN cross-reference

Reference document — Secondary reference

VT1694AS4-7XSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

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

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FREQUENTLY ASKED QUESTIONS

What is 121558-47BX?

121558-47BX is a SCREW,MACHINE.

What parts can replace 121558-47BX?

There are 7 known substitutes for 121558-47BX: C7985, IAC985-4-7BR, 121558-4-A7BX and 4 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 121558-47BX?

121558-47BX is cataloged in the U.S. Government catalog under NSN 5305-01-693-4063. This indicates validated use in U.S. government and defense supply chains.

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