6530-21-252-4102 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

6530-21-252-4102: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 301 OR STEEL COMP 302 OVERALL, thickness: 0.028 INCHES NOMINAL IN, hole_diameter: 0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN, heat_treatment: COLD DRAWN 1/4 HARD CONDITION, overall_diameter: 0.437 INCHES NOMINAL IN, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-124-6633, 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

6530-21-252-4102

NSN: 5310-01-124-6633
FSC: 5310 — Nuts and Washers
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)

SPECIFICATIONS

material	STEEL COMP 301 OR STEEL COMP 302 OVERALL
thickness	0.028 INCHES NOMINAL IN
hole_diameter	0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
heat_treatment	COLD DRAWN 1/4 HARD CONDITION
overall_diameter	0.437 INCHES NOMINAL IN
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
cross-sectional_shape_style	RECTANGULAR
material_document_and_classification	MIL-S-5059 MIL SPEC ALL MATERIAL RESPONSES OVERALL
NSN	5310-01-124-6633

COMPONENT DIAGRAM

KEY FEATURES

•

OVERALL DIAMETER: 0.437 INCHES NOMINAL IN

•

HEAT TREATMENT: COLD DRAWN 1/4 HARD CONDITION

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5059 MIL SPEC ALL MATERIAL RESPONSES OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: STEEL COMP 301 OR STEEL COMP 302 OVERALL

•

CENTER HOLE SHAPE STYLE: ROUND

•

HOLE DIAMETER: 0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

OVERALL DIAMETER	0.437 INCHES NOMINAL IN
HEAT TREATMENT	COLD DRAWN 1/4 HARD CONDITION
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5059 MIL SPEC ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	STEEL COMP 301 OR STEEL COMP 302 OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
THICKNESS	0.028 INCHES NOMINAL IN

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 6530-21-252-4102?

6530-21-252-4102 is a WASHER,FLAT.

What is the NSN for 6530-21-252-4102?

6530-21-252-4102 is cataloged in the U.S. Government catalog under NSN 5310-01-124-6633. This indicates validated use in U.S. government and defense supply chains.

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6530-21-252-4102 — WASHER,FLAT

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