8C0566 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

8C0566: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1055 OVERALL, thickness: 2.35 MILLIMETERS MINIMUM AND 2.70 MILLIMETERS MAXIMUM MM, hardness_rating: 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM, overall_diameter: 24.8 MILLIMETERS MINIMUM AND 25.4 MILLIMETERS MAXIMUM MM, surface_treatment: ZINC OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-162-7912, 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

8C0566

NSN: 5310-01-162-7912
FSC: 5310 — Nuts and Washers
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)

SPECIFICATIONS

material	STEEL COMP 1055 OVERALL
thickness	2.35 MILLIMETERS MINIMUM AND 2.70 MILLIMETERS MAXIMUM MM
hardness_rating	38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
overall_diameter	24.8 MILLIMETERS MINIMUM AND 25.4 MILLIMETERS MAXIMUM MM
surface_treatment	ZINC OVERALL
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
cross-sectional_shape_style	RECTANGULAR
material_document_and_classification	SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classification	GM 4342M CODE 20 U32,FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OR GM 4342M CODE 20M U32,FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN	5310-01-162-7912

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: GM 4342M CODE 20 U32,FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OR GM 4342M CODE 20M U32,FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OVERALL

•

OVERALL DIAMETER: 24.8 MILLIMETERS MINIMUM AND 25.4 MILLIMETERS MAXIMUM MM

•

HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM

•

MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

SURFACE TREATMENT: ZINC OVERALL

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: STEEL COMP 1055 OVERALL

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	GM 4342M CODE 20 U32,FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OR GM 4342M CODE 20M U32,FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER	24.8 MILLIMETERS MINIMUM AND 25.4 MILLIMETERS MAXIMUM MM
HARDNESS RATING	38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
SURFACE TREATMENT	ZINC OVERALL
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	STEEL COMP 1055 OVERALL
CENTER HOLE SHAPE STYLE	ROUND
THICKNESS	2.35 MILLIMETERS MINIMUM AND 2.70 MILLIMETERS MAXIMUM MM

OTHER ITEMS IN FSC 5310 — Nuts and Washers

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

5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540

SUBSTITUTES & CROSS-REFERENCES 2

1727059Reference document

Same NSN cross-reference

Reference document — Secondary reference

50028706Reference 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 8C0566?

8C0566 is a WASHER,FLAT.

What parts can replace 8C0566?

There are 2 known substitutes for 8C0566: 1727059, 50028706. Substitute compatibility should be verified for your specific system.

What is the NSN for 8C0566?

8C0566 is cataloged in the U.S. Government catalog under NSN 5310-01-162-7912. This indicates validated use in U.S. government and defense supply chains.

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