197A203-2 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

197A203-2: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, thickness: 0.062 INCHES NOMINAL IN, hole_diameter: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN, overall_diameter: 1.375 INCHES NOMINAL IN, surface_treatment: PASSIVATE OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-451-7945, 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

197A203-2

NSN: 5310-01-451-7945
FSC: 5310 — Nuts and Washers
CAGE: 03640 — LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS (USA)

SPECIFICATIONS

material	STEEL COMP 304 OVERALL
thickness	0.062 INCHES NOMINAL IN
hole_diameter	0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
overall_diameter	1.375 INCHES NOMINAL IN
surface_treatment	PASSIVATE OVERALL
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
cross-sectional_shape_style	RECTANGULAR
surface_treatment_document_and_classification	MIL-F-14072 TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN	5310-01-451-7945

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-F-14072 TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL

•

OVERALL DIAMETER: 1.375 INCHES NOMINAL IN

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

SURFACE TREATMENT: PASSIVATE OVERALL

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: STEEL COMP 304 OVERALL

•

CENTER HOLE SHAPE STYLE: ROUND

•

HOLE DIAMETER: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-F-14072 TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER	1.375 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
SURFACE TREATMENT	PASSIVATE OVERALL
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	STEEL COMP 304 OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
THICKNESS	0.062 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 1

84-31Reference 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 197A203-2?

197A203-2 is a WASHER,FLAT.

What parts can replace 197A203-2?

There is 1 known substitute for 197A203-2: 84-31. Substitute compatibility should be verified for your specific system.

What is the NSN for 197A203-2?

197A203-2 is cataloged in the U.S. Government catalog under NSN 5310-01-451-7945. This indicates validated use in U.S. government and defense supply chains.

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