670861 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

670861: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OVERALL, thickness: 0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN, hole_diameter: 0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES BOTTOM, overall_diameter: 0.590 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-406-9779, 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

670861

NSN: 5310-00-406-9779
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)

SPECIFICATIONS

material	STEEL COMP 4340 OVERALL
thickness	0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
hole_diameter	0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN
surface_finish	63.0 MICROINCHES BOTTOM
overall_diameter	0.590 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
surface_treatment	CADMIUM OVERALL
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
cross-sectional_shape_style	RECTANGULAR
material_document_and_classification	AMS 6359 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classification	AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NSN	5310-00-406-9779

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 63.0 MICROINCHES BOTTOM

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

OVERALL DIAMETER: 0.590 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6359 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

SURFACE TREATMENT: CADMIUM OVERALL

•

PERIPHERAL SHAPE STYLE: ROUND

TECHNICAL CHARACTERISTICS

SURFACE FINISH	63.0 MICROINCHES BOTTOM
SURFACE FINISH	63.0 MICROINCHES TOP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER	0.590 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6359 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
SURFACE TREATMENT	CADMIUM OVERALL
PERIPHERAL SHAPE STYLE	ROUND
MATERIAL	STEEL COMP 4340 OVERALL
CENTER HOLE SHAPE STYLE	ROUND

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: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 670861?

670861 is a WASHER,FLAT.

What is the NSN for 670861?

670861 is cataloged in the U.S. Government catalog under NSN 5310-00-406-9779. This indicates validated use in U.S. government and defense supply chains.

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670861 — WASHER,FLAT

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