56121R1 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

56121R1: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: WOOL COMP 16R3 OVERALL, thickness: 0.188 INCHES NOMINAL IN, hole_diameter: 1.500 INCHES NOMINAL IN, overall_diameter: 2.000 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-245-6159, 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

56121R1

NSN: 5310-00-245-6159
FSC: 5310 — Nuts and Washers
CAGE: 89346 — NAVISTAR INTL CORP TRUCK BR OHIO PLANT (USA)

SPECIFICATIONS

material	WOOL COMP 16R3 OVERALL
thickness	0.188 INCHES NOMINAL IN
hole_diameter	1.500 INCHES NOMINAL IN
overall_diameter	2.000 INCHES NOMINAL IN
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
cross-sectional_shape_style	RECTANGULAR
material_document_and_classification	C-F-206,TYPE 1,CL 16R3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN	5310-00-245-6159

COMPONENT DIAGRAM

KEY FEATURES

•

OVERALL DIAMETER: 2.000 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: C-F-206,TYPE 1,CL 16R3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: WOOL COMP 16R3 OVERALL

•

CENTER HOLE SHAPE STYLE: ROUND

•

HOLE DIAMETER: 1.500 INCHES NOMINAL IN

•

THICKNESS: 0.188 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

OVERALL DIAMETER	2.000 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	C-F-206,TYPE 1,CL 16R3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	WOOL COMP 16R3 OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	1.500 INCHES NOMINAL IN
THICKNESS	0.188 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 4

8500-5009Reference document

Same NSN cross-reference

Reference document — Secondary reference

461520Reference document

Same NSN cross-reference

Reference document — Secondary reference

10673P11Reference document

Same NSN cross-reference

Reference document — Secondary reference

5X191Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

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

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FREQUENTLY ASKED QUESTIONS

What is 56121R1?

56121R1 is a WASHER,FLAT.

What parts can replace 56121R1?

There are 4 known substitutes for 56121R1: 8500-5009, 461520, 10673P11 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 56121R1?

56121R1 is cataloged in the U.S. Government catalog under NSN 5310-00-245-6159. This indicates validated use in U.S. government and defense supply chains.

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