4D0028C9 — WASHER,RECESSED

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

4D0028C9: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OVERALL, recess_angle: 90.0 DEGREES NOMINAL, hardness_rating: 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM, recess_diameter: 0.564 INCHES MINIMUM AND 0.568 INCHES MAXIMUM IN, outside_diameter: 1.037 INCHES MINIMUM AND 1.047 INCHES MAXIMUM IN, style_designator: RECESSED. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-422-8570, 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

4D0028C9

NSN: 5310-01-422-8570
FSC: 5310 — Nuts and Washers
CAGE: 10630 — ANILLO INDUSTRIES LLC (USA)

SPECIFICATIONS

material	STEEL COMP 4130 OVERALL
recess_angle	90.0 DEGREES NOMINAL
hardness_rating	38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
recess_diameter	0.564 INCHES MINIMUM AND 0.568 INCHES MAXIMUM IN
outside_diameter	1.037 INCHES MINIMUM AND 1.047 INCHES MAXIMUM IN
style_designator	RECESSED
surface_treatment	CADMIUM AND CHROMATE OVERALL
material_thickness	0.085 INCHES MINIMUM AND 0.101 INCHES MAXIMUM IN
material_document_and_classification	MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classification	QQ-P-416, TY2, CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN	5310-01-422-8570

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416, TY2, CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

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

•

STYLE DESIGNATOR: RECESSED

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL

•

OUTSIDE DIAMETER: 1.037 INCHES MINIMUM AND 1.047 INCHES MAXIMUM IN

•

MATERIAL THICKNESS: 0.085 INCHES MINIMUM AND 0.101 INCHES MAXIMUM IN

•

RECESS DIAMETER: 0.564 INCHES MINIMUM AND 0.568 INCHES MAXIMUM IN

•

SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416, TY2, CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
STYLE DESIGNATOR	RECESSED
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER	1.037 INCHES MINIMUM AND 1.047 INCHES MAXIMUM IN
MATERIAL THICKNESS	0.085 INCHES MINIMUM AND 0.101 INCHES MAXIMUM IN
RECESS DIAMETER	0.564 INCHES MINIMUM AND 0.568 INCHES MAXIMUM IN
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
MATERIAL	STEEL COMP 4130 OVERALL
RECESS ANGLE	90.0 DEGREES NOMINAL

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

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 4D0028C9?

4D0028C9 is a WASHER,RECESSED.

What is the NSN for 4D0028C9?

4D0028C9 is cataloged in the U.S. Government catalog under NSN 5310-01-422-8570. This indicates validated use in U.S. government and defense supply chains.

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4D0028C9 — WASHER,RECESSED

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