B57256-1 — GEAR,BEVEL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

B57256-1: GEAR,BEVEL.

The GEAR,BEVEL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_style: PLAIN, SOLID, teeth_type: STRAIGHT, pitch_diameter: 1.7500 INCHES NOMINAL IN, style_designator: PERIPHERAL FACE, BACK HUB PROTRUDING, attachment_method: MOUNTING HOLE. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-910-3764, 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

B57256-1

NSN: 3020-00-910-3764
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 52151 — CONTINENTAL ELECTRONICS CORP (USA)

SPECIFICATIONS

material	STEEL OVERALL
body_style	PLAIN, SOLID
teeth_type	STRAIGHT
pitch_diameter	1.7500 INCHES NOMINAL IN
style_designator	PERIPHERAL FACE, BACK HUB PROTRUDING
attachment_method	MOUNTING HOLE
face_nominal_width	0.390 INCHES IN
hub_nominal_diameter	1.375 INCHES SECOND END IN
bore_nominal_diameter	0.500 INCHES BOTH ENDS IN
nominal_overall_length	1.187 INCHES IN
nominal_outside_diameter	1.8700 INCHES IN
mounting_hole_nominal_diameter	0.128 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
NSN	3020-00-910-3764

COMPONENT DIAGRAM

KEY FEATURES

•

BORE NOMINAL DIAMETER: 0.500 INCHES BOTH ENDS IN

•

HUB NOMINAL DIAMETER: 1.375 INCHES SECOND END IN

•

BODY STYLE: PLAIN, SOLID

•

MOUNTING HOLE NOMINAL DIAMETER: 0.128 INCHES TRANSVERSELY THROUGH HUB FIRST END IN

•

TEETH TYPE: STRAIGHT

•

NOMINAL OVERALL LENGTH: 1.187 INCHES IN

•

STYLE DESIGNATOR: PERIPHERAL FACE, BACK HUB PROTRUDING

•

PITCH DIAMETER: 1.7500 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

BORE NOMINAL DIAMETER	0.500 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER	1.375 INCHES SECOND END IN
BODY STYLE	PLAIN, SOLID
MOUNTING HOLE NOMINAL DIAMETER	0.128 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
TEETH TYPE	STRAIGHT
NOMINAL OVERALL LENGTH	1.187 INCHES IN
STYLE DESIGNATOR	PERIPHERAL FACE, BACK HUB PROTRUDING
PITCH DIAMETER	1.7500 INCHES NOMINAL IN
NOMINAL OUTSIDE DIAMETER	1.8700 INCHES IN
MATERIAL	STEEL OVERALL

OTHER ITEMS IN FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain

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

3020-00-000-0091 3020-00-001-0027 3020-00-001-0028 3020-00-001-0063 3020-00-001-0064 3020-00-001-0066 3020-00-001-0071 3020-00-001-0072

SUBSTITUTES & CROSS-REFERENCES 1

L119YReference document

Same NSN cross-reference

Reference document — Secondary reference

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 B57256-1?

B57256-1 is a GEAR,BEVEL.

What parts can replace B57256-1?

There is 1 known substitute for B57256-1: L119Y. Substitute compatibility should be verified for your specific system.

What is the NSN for B57256-1?

B57256-1 is cataloged in the U.S. Government catalog under NSN 3020-00-910-3764. This indicates validated use in U.S. government and defense supply chains.

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