CT57-19 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

CT57-19: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: WOOL COMP 16R3 OVERALL, thickness: 0.090 INCHES NOMINAL IN, hole_diameter: 0.310 INCHES NOMINAL IN, overall_diameter: 0.500 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-447-9380, 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

CT57-19

NSN: 5310-00-447-9380
FSC: 5310 — Nuts and Washers
CAGE: 79960 — ZENITH FUEL SYSTEMS LLC (USA)

SPECIFICATIONS

material	WOOL COMP 16R3 OVERALL
thickness	0.090 INCHES NOMINAL IN
hole_diameter	0.310 INCHES NOMINAL IN
overall_diameter	0.500 INCHES NOMINAL IN
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
minimum_tensile_strength	400 POUNDS PER SQUARE INCH LBS
cross-sectional_shape_style	RECTANGULAR
material_document_and_classification	C-F-206,TYPE 1,CL 16R3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN	5310-00-447-9380

COMPONENT DIAGRAM

KEY FEATURES

•

OVERALL DIAMETER: 0.500 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: C-F-206,TYPE 1,CL 16R3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

MINIMUM TENSILE STRENGTH: 400 POUNDS PER SQUARE INCH LBS

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: WOOL COMP 16R3 OVERALL

•

CENTER HOLE SHAPE STYLE: ROUND

•

HOLE DIAMETER: 0.310 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

OVERALL DIAMETER	0.500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	C-F-206,TYPE 1,CL 16R3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
MINIMUM TENSILE STRENGTH	400 POUNDS PER SQUARE INCH LBS
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	WOOL COMP 16R3 OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.310 INCHES NOMINAL IN
THICKNESS	0.090 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 2

121939Reference document

Same NSN cross-reference

Reference document — Secondary reference

412368Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is CT57-19?

CT57-19 is a WASHER,FLAT.

What parts can replace CT57-19?

There are 2 known substitutes for CT57-19: 121939, 412368. Substitute compatibility should be verified for your specific system.

What is the NSN for CT57-19?

CT57-19 is cataloged in the U.S. Government catalog under NSN 5310-00-447-9380. This indicates validated use in U.S. government and defense supply chains.

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