2178813 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

2178813: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 321 OVERALL, thickness: 0.015 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN, hole_diameter: 0.530 INCHES MINIMUM AND 0.550 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES BOTTOM, overall_diameter: 1.520 INCHES MINIMUM AND 1.540 INCHES MAXIMUM IN, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-133-4492, 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

2178813

NSN: 5310-01-133-4492
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)

SPECIFICATIONS

material	STEEL COMP 321 OVERALL
thickness	0.015 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
hole_diameter	0.530 INCHES MINIMUM AND 0.550 INCHES MAXIMUM IN
surface_finish	63.0 MICROINCHES BOTTOM
overall_diameter	1.520 INCHES MINIMUM AND 1.540 INCHES MAXIMUM IN
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
cross-sectional_shape_style	RECTANGULAR
material_document_and_classification	AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN	5310-01-133-4492

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 63.0 MICROINCHES BOTTOM

•

OVERALL DIAMETER: 1.520 INCHES MINIMUM AND 1.540 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: STEEL COMP 321 OVERALL

•

CENTER HOLE SHAPE STYLE: ROUND

TECHNICAL CHARACTERISTICS

SURFACE FINISH	63.0 MICROINCHES BOTTOM
SURFACE FINISH	63.0 MICROINCHES TOP
OVERALL DIAMETER	1.520 INCHES MINIMUM AND 1.540 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	STEEL COMP 321 OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.530 INCHES MINIMUM AND 0.550 INCHES MAXIMUM IN
THICKNESS	0.015 INCHES MINIMUM AND 0.021 INCHES MAXIMUM 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

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

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FREQUENTLY ASKED QUESTIONS

What is 2178813?

2178813 is a WASHER,FLAT.

What is the NSN for 2178813?

2178813 is cataloged in the U.S. Government catalog under NSN 5310-01-133-4492. This indicates validated use in U.S. government and defense supply chains.

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2178813 — WASHER,FLAT

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