TB-520 — BUSHING,SLEEVE

✓ Government record, cited

— · BALL BEARING

PRODUCT OVERVIEW

TB-520: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL, flange_width: 0.6250 INCHES NOMINAL IN, overall_width: 20.0 INCHES NOMINAL IN, overall_height: 8.90 INCHES NOMINAL IN, overall_length: 2.8750 INCHES NOMINAL IN, removable_tray: PROVIDED. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-528-8501, 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

TB-520

NSN: 3120-01-528-8501
NIINs: 015288501, 016726632
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 08832 — SCHROEDER INDUSTRIES LLC (USA)

SPECIFICATIONS

material	STEEL
flange_width	0.6250 INCHES NOMINAL IN
overall_width	20.0 INCHES NOMINAL IN
tray_quantity	1
overall_height	8.90 INCHES NOMINAL IN
overall_length	2.8750 INCHES NOMINAL IN
removable_tray	PROVIDED
handle_location	CENTER LENGTHWISE
handle_quantity	1
special_features	TREAD PLATE STEEL MEDAL,WELDING SEAMS,METAL LATCHES,HOLDS UPTO 100LBS LBS
style_designator	SPLIT, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END
body_outside_diameter	3.8750 INCHES MINIMUM AND 4.0000 INCHES MAXIMUM IN
NSN	3120-01-528-8501

COMPONENT DIAGRAM

KEY FEATURES

•

BODY OUTSIDE DIAMETER: 3.8750 INCHES MINIMUM AND 4.0000 INCHES MAXIMUM IN

•

STYLE DESIGNATOR: SPLIT, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END

•

FLANGE WIDTH: 0.6250 INCHES NOMINAL IN

•

MATERIAL: STEEL OVERALL

TECHNICAL CHARACTERISTICS

BODY OUTSIDE DIAMETER	3.8750 INCHES MINIMUM AND 4.0000 INCHES MAXIMUM IN
STYLE DESIGNATOR	SPLIT, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END
OVERALL LENGTH	2.8750 INCHES NOMINAL IN
SPECIAL FEATURES	OUTSIDE FLANGE DIAMETER IS 5" AND SOME FRACTION WHICH IS NOT DETERMINABLE WITH THE TECH DATA IN POSSESION; THE OUTSIDE DIAMETER IS TAPERED WHERE THE SMALL END IN 3.8750" AND THE LARGE END IS 4.0000"; THERE IS A KEYWAY IN THE BUSHING; AND THREE CAP SCREW HOLES; AND TWO OTHER HOLES ALL AROUND THE FLANGE PORTION; THE BORE RANGE IS 1.125"- APPROXIMATELY 2.75" BUT IS A BIT UNREADABLE ON THE TECH DATA
FLANGE WIDTH	0.6250 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCY	V BELT SHEAVE BUSHING(MOTOR); SPLIT TAPER BUSHINGS
END ITEM IDENTIFICATION	HYDRAULIC TESTSTAND HTB-50E
MATERIAL	STEEL OVERALL

SUBSTITUTES & CROSS-REFERENCES 2

D4232 ITEM-176-TB-520Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

D-4232Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

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 TB-520?

TB-520 is a BUSHING,SLEEVE.

What parts can replace TB-520?

There are 2 known substitutes for TB-520: D4232 ITEM-176-TB-520, D-4232. Substitute compatibility should be verified for your specific system.

What is the NSN for TB-520?

TB-520 is cataloged in the U.S. Government catalog under NSN 3120-01-528-8501. This indicates validated use in U.S. government and defense supply chains.

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