657D679PC9 — BEARING,SLEEVE

✓ Government record, cited

— · BALL BEARING

PRODUCT OVERVIEW

657D679PC9: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1020 OUTER LAYER, corner_shape: SQUARE ALL CORNERS, hole_diameter: 0.1870 INCHES NOMINAL FIRST IN, overall_length: 5.0000 INCHES NOMINAL IN, surface_finish: 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY, style_designator: SEGMENTED, PLAIN, NO OUTSIDE FLANGES. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-182-8541, 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

657D679PC9

NSN: 3120-00-182-8541
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 17454 — TIMKEN GEARS & SERVICES INC. DIV PHILADELPHIA GEAR (USA)

SPECIFICATIONS

material	STEEL COMP 1020 OUTER LAYER
corner_shape	SQUARE ALL CORNERS
hole_diameter	0.1870 INCHES NOMINAL FIRST IN
overall_length	5.0000 INCHES NOMINAL IN
surface_finish	32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
style_designator	SEGMENTED, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter	6.5090 INCHES MINIMUM AND 6.5110 INCHES MAXIMUM IN
body_outside_diameter	8.2490 INCHES MINIMUM AND 8.2500 INCHES MAXIMUM IN
material_document_and_classification	QQ-T-390 FED SPEC SINGLE MATERIAL RESPONSE INNER LAYER
antirotation/lubrication_type_and_quantity	1 HOLE
NSN	3120-00-182-8541

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY

•

CORNER SHAPE: SQUARE ALL CORNERS

•

BODY OUTSIDE DIAMETER: 8.2490 INCHES MINIMUM AND 8.2500 INCHES MAXIMUM IN

•

STYLE DESIGNATOR: SEGMENTED, PLAIN, NO OUTSIDE FLANGES

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-T-390 FED SPEC SINGLE MATERIAL RESPONSE INNER LAYER

TECHNICAL CHARACTERISTICS

SURFACE FINISH	63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH	32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
CORNER SHAPE	SQUARE ALL CORNERS
BODY OUTSIDE DIAMETER	8.2490 INCHES MINIMUM AND 8.2500 INCHES MAXIMUM IN
STYLE DESIGNATOR	SEGMENTED, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-T-390 FED SPEC SINGLE MATERIAL RESPONSE INNER LAYER
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-635 FED SPEC SINGLE MATERIAL RESPONSE OUTER LAYER
OVERALL LENGTH	5.0000 INCHES NOMINAL IN
BODY INSIDE DIAMETER	6.5090 INCHES MINIMUM AND 6.5110 INCHES MAXIMUM IN
ANTIROTATION/LUBRICATION TYPE AND QUANTITY	1 HOLE

OTHER ITEMS IN FSC 3120 — Bearings, Plain, Unmounted

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

3120-00-001-1288 3120-00-001-1835 3120-00-001-1838 3120-00-001-1928 3120-00-001-1934 3120-00-001-3933 3120-00-001-3937 3120-00-001-3938

SUBSTITUTES & CROSS-REFERENCES 1

662E709 PIECE 63Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 657D679PC9?

657D679PC9 is a BEARING,SLEEVE.

What parts can replace 657D679PC9?

There is 1 known substitute for 657D679PC9: 662E709 PIECE 63. Substitute compatibility should be verified for your specific system.

What is the NSN for 657D679PC9?

657D679PC9 is cataloged in the U.S. Government catalog under NSN 3120-00-182-8541. This indicates validated use in U.S. government and defense supply chains.

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657D679PC9 — BEARING,SLEEVE

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