661-420 — DIAPHRAGM ASSEMBLY

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

661-420: DIAPHRAGM ASSEMBLY.

The DIAPHRAGM ASSEMBLY is a the manufacturer industrial component. Key specifications include wheel_style: CONE, CURVED SIDES W/ FLAT BASE, shank_length: 19.0 MILLIMETERS NOMINAL MM, usage_design: DENTAL, wheel_diameter: 2.5 MILLIMETERS NOMINAL MM, overall_thickness: 7.0 MILLIMETERS NOMINAL MM, maximum_speed_rating_in_rpm: 20000.0. This part is cataloged in the U.S.

Government catalog under NSN 1660-00-319-3747, 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

661-420

NSN: 1660-00-319-3747
NIINs: 003193747, 013306296
FSC: 1660 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment
CAGE: 59364 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - TEMPE (WEST WARNER ROAD) (USA)

SPECIFICATIONS

wheel_style	CONE, CURVED SIDES W/ FLAT BASE
shank_length	19.0 MILLIMETERS NOMINAL MM
usage_design	DENTAL
wheel_diameter	2.5 MILLIMETERS NOMINAL MM
special_features	FRICTION GRIP HANDPIECE; STEEL,CORROSION RESISTING SHANK AND WHITE ARKANASAS STONE HEAD; FINE GRIT; HARD BONDING FOR CHROME-COBALT; FOR COMPOSITE FINISHING
overall_thickness	7.0 MILLIMETERS NOMINAL MM
maximum_speed_rating_in_rpm	20000.0
part_name_assigned_by_controlling_agency	BUR DENTAL FINISHING FRICTION GRIP HEAD SIZE 661 FINE GRIT 10S
NSN	1660-00-319-3747

COMPONENT DIAGRAM

SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is 661-420?

661-420 is a DIAPHRAGM ASSEMBLY.

What is the NSN for 661-420?

661-420 is cataloged in the U.S. Government catalog under NSN 1660-00-319-3747. This indicates validated use in U.S. government and defense supply chains.

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661-420 — DIAPHRAGM ASSEMBLY

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