16559R1 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

16559R1: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OR STEEL COMP 1020 OVERALL, thickness: 0.049 INCHES NOMINAL IN, hole_diameter: 0.266 INCHES NOMINAL IN, overall_diameter: 0.625 INCHES NOMINAL IN, surface_treatment: CADMIUM OR ZINC OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-044-6188, 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

16559R1

NSN: 5310-00-044-6188
FSC: 5310 — Nuts and Washers
CAGE: 92679 — NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/ (USA)

SPECIFICATIONS

material	STEEL COMP 1010 OR STEEL COMP 1020 OVERALL
thickness	0.049 INCHES NOMINAL IN
hole_diameter	0.266 INCHES NOMINAL IN
overall_diameter	0.625 INCHES NOMINAL IN
surface_treatment	CADMIUM OR ZINC OVERALL
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
cross-sectional_shape_style	RECTANGULAR
nondefinitive_spec/std_data	A TYPE
departure_from_cited_designator	AS MODIFIED BY SURFACE
material_document_and_classification	ASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN	5310-00-044-6188

COMPONENT DIAGRAM

KEY FEATURES

•

OVERALL DIAMETER: 0.625 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY SURFACE

•

NONDEFINITIVE SPEC/STD DATA: A TYPE

•

SURFACE TREATMENT: CADMIUM OR ZINC OVERALL

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: STEEL COMP 1010 OR STEEL COMP 1020 OVERALL

TECHNICAL CHARACTERISTICS

OVERALL DIAMETER	0.625 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
DEPARTURE FROM CITED DESIGNATOR	AS MODIFIED BY SURFACE
NONDEFINITIVE SPEC/STD DATA	A TYPE
SURFACE TREATMENT	CADMIUM OR ZINC OVERALL
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	STEEL COMP 1010 OR STEEL COMP 1020 OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.266 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 5

35P199Reference document

Same NSN cross-reference

Reference document — Secondary reference

100951X050WBReference document

Same NSN cross-reference

Reference document — Replaced / superseded reference

5310000446188Reference document

Same NSN cross-reference

Reference document — Informative reference only

446188Reference document

Same NSN cross-reference

Reference document — Secondary reference

MILW1085TYPEAReference document

Same NSN cross-reference

Reference document — Identification reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 16559R1?

16559R1 is a WASHER,FLAT.

What parts can replace 16559R1?

There are 5 known substitutes for 16559R1: 35P199, 100951X050WB, 5310000446188 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 16559R1?

16559R1 is cataloged in the U.S. Government catalog under NSN 5310-00-044-6188. This indicates validated use in U.S. government and defense supply chains.

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