X4821 — COIL,RADIO FREQUENCY

✓ Government record, cited

— · BALL BEARING

PRODUCT OVERVIEW

X4821: COIL,RADIO FREQUENCY.

The COIL,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: IRON CAST HOUSING, seal_type: LABYRINTH, body_length: 0.500 INCHES NOMINAL IN, bore_diameter: 1.9375 INCHES NOMINAL IN, housing_width: 5.6250 INCHES NOMINAL IN, rating_method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING. This part is cataloged in the U.S.

Government catalog under NSN 3130-00-108-0586, 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

X4821

NSN: 3130-00-108-0586
NIINs: 001080586, 009027128
FSC: 3130 — Bearings, Mounted
CAGE: 52676 — SKF USA INC. (USA)

SPECIFICATIONS

material	IRON CAST HOUSING
seal_type	LABYRINTH
body_length	0.500 INCHES NOMINAL IN
bore_diameter	1.9375 INCHES NOMINAL IN
housing_width	5.6250 INCHES NOMINAL IN
rating_method	ELECTRICAL SINGLE COMPONENT SINGLE WINDING
seal_location	BOTH ENDS
alignment_type	SELF-ALIGNING
coil_form_type	HOLLOW SINGLE COMPONENT
housing_length	1.5625 INCHES NOMINAL IN
inclosure_type	FULLY INCLOSED
quality_factor	30 MINIMUM SINGLE COMPONENT SINGLE WINDING
NSN	3130-00-108-0586

COMPONENT DIAGRAM

KEY FEATURES

•

SEAL TYPE: LABYRINTH

•

LUBRICATION MATERIAL: GREASE

•

LUBRICATION FITTING TYPE: HYDRAULIC

•

ASSEMBLY OVERALL LENGTH: 2.1562 INCHES NOMINAL IN

•

INTERNAL FIT-UP DESIGNATION: STANDARD

•

FLANGE THICKNESS: 0.5625 INCHES NOMINAL IN

•

MOUNTING HOLE TYPE: ROUND, UNTHREADED

•

ROTATING ELEMENT LOCKING METHOD: DIRECT

TECHNICAL CHARACTERISTICS

SEAL TYPE	LABYRINTH
LUBRICATION MATERIAL	GREASE
LUBRICATION FITTING TYPE	HYDRAULIC
ASSEMBLY OVERALL LENGTH	2.1562 INCHES NOMINAL IN
INTERNAL FIT-UP DESIGNATION	STANDARD
FLANGE THICKNESS	0.5625 INCHES NOMINAL IN
MOUNTING HOLE TYPE	ROUND, UNTHREADED
ROTATING ELEMENT LOCKING METHOD	DIRECT
SEAL LOCATION	BOTH ENDS
STYLE DESIGNATOR	FLANGE BLOCK

SUBSTITUTES & CROSS-REFERENCES 6

SC4-1 15-16Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

F3U231HReference document

Same NSN cross-reference

Reference document — Replaced / superseded reference

FYN115Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

SF31Reference document

Same NSN cross-reference

Reference document — Secondary reference

61J10905-79Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

350565Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 X4821?

X4821 is a COIL,RADIO FREQUENCY.

What parts can replace X4821?

There are 6 known substitutes for X4821: SC4-1 15-16, F3U231H, FYN115 and 3 more. Substitute compatibility should be verified for your specific system.

What is the NSN for X4821?

X4821 is cataloged in the U.S. Government catalog under NSN 3130-00-108-0586. This indicates validated use in U.S. government and defense supply chains.

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