998105 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

998105: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OR STEEL COMP 8740 OR STEEL COMP 4130 OVERALL, thickness: 0.032 INCHES NOMINAL IN, hole_diameter: 0.345 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN, overall_diameter: 0.645 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN, surface_treatment: CADMIUM AND CHROMATE OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-216-2803, 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

998105

NSN: 5310-01-216-2803
FSC: 5310 — Nuts and Washers
CAGE: 31361 — WOODWARD, INC. (USA)

SPECIFICATIONS

material	STEEL COMP 4340 OR STEEL COMP 8740 OR STEEL COMP 4130 OVERALL
thickness	0.032 INCHES NOMINAL IN
hole_diameter	0.345 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN
overall_diameter	0.645 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN
surface_treatment	CADMIUM AND CHROMATE OVERALL
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
cross-sectional_shape_style	RECTANGULAR
surface_treatment_document_and_classification	QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN	5310-01-216-2803

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

OVERALL DIAMETER: 0.645 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 6359 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR AMS 6358 ASSN STD 2ND MATERIAL RESPONSE OR MIL-S-18729 MIL SPEC 3RD MATERIAL RESPONSE OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: STEEL COMP 4340 OR STEEL COMP 8740 OR STEEL COMP 4130 OVERALL

•

CENTER HOLE SHAPE STYLE: ROUND

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER	0.645 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 6359 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR AMS 6358 ASSN STD 2ND MATERIAL RESPONSE OR MIL-S-18729 MIL SPEC 3RD MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	STEEL COMP 4340 OR STEEL COMP 8740 OR STEEL COMP 4130 OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.345 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN
THICKNESS	0.032 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 1

219356Reference document

Same NSN cross-reference

Reference document — Replaced / superseded reference

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 998105?

998105 is a WASHER,FLAT.

What parts can replace 998105?

There is 1 known substitute for 998105: 219356. Substitute compatibility should be verified for your specific system.

What is the NSN for 998105?

998105 is cataloged in the U.S. Government catalog under NSN 5310-01-216-2803. This indicates validated use in U.S. government and defense supply chains.

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