66-9756 — SPRING,HELICAL,EXTENSION

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

66-9756: SPRING,HELICAL,EXTENSION.

The SPRING,HELICAL,EXTENSION is a the manufacturer industrial component. Key specifications include end_style: FULL HOOK BOTH ENDS, design_type: CLOSED, hook_radius: 0.550 INCHES NOMINAL BOTH ENDS IN, inside_diameter: 0.860 INCHES MINIMUM IN, style_designator: CYLINDRICAL, spring_free_length: 9.660 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5360-01-195-8666, 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

66-9756

NSN: 5360-01-195-8666
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 17765 — THE BOEING COMPANY DIV COMMERCIAL (USA)

SPECIFICATIONS

end_style	FULL HOOK BOTH ENDS
design_type	CLOSED
hook_radius	0.550 INCHES NOMINAL BOTH ENDS IN
coil_quantity	7
inside_diameter	0.860 INCHES MINIMUM IN
style_designator	CYLINDRICAL
spring_free_length	9.660 INCHES NOMINAL IN
coil_helix_direction	RIGHT-HAND OR LEFT-HAND
spring_free_outside_diameter	1.080 INCHES MINIMUM IN
material_document_and_classification	QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN	5360-01-195-8666

COMPONENT DIAGRAM

KEY FEATURES

•

SPRING FREE OUTSIDE DIAMETER: 1.080 INCHES MINIMUM IN

•

END STYLE: FULL HOOK BOTH ENDS

•

DESIGN TYPE: CLOSED

•

STYLE DESIGNATOR: CYLINDRICAL

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

SPRING FREE LENGTH: 9.660 INCHES NOMINAL IN

•

INSIDE DIAMETER: 0.860 INCHES MINIMUM IN

•

COIL QUANTITY: 7

TECHNICAL CHARACTERISTICS

SPRING FREE OUTSIDE DIAMETER	1.080 INCHES MINIMUM IN
END STYLE	FULL HOOK BOTH ENDS
DESIGN TYPE	CLOSED
STYLE DESIGNATOR	CYLINDRICAL
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SPRING FREE LENGTH	9.660 INCHES NOMINAL IN
INSIDE DIAMETER	0.860 INCHES MINIMUM IN
COIL QUANTITY	7
COIL HELIX DIRECTION	RIGHT-HAND OR LEFT-HAND
HOOK RADIUS	0.550 INCHES NOMINAL BOTH ENDS IN

OTHER ITEMS IN FSC 5360 — Coil, Flat, Leaf, and Wire Springs

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

5360-00-001-1842 5360-00-001-1945 5360-00-001-2010 5360-00-001-3865 5360-00-001-3950 5360-00-001-4650 5360-00-001-4664 5360-00-001-4703

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)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 66-9756?

66-9756 is a SPRING,HELICAL,EXTENSION.

What is the NSN for 66-9756?

66-9756 is cataloged in the U.S. Government catalog under NSN 5360-01-195-8666. This indicates validated use in U.S. government and defense supply chains.

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66-9756 — SPRING,HELICAL,EXTENSION

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