3945690 — WASHER,FLAT

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

3945690: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: PLASTIC NYLON OVERALL, thickness: 0.05 INCHES MINIMUM AND 0.07 INCHES MAXIMUM IN, hole_diameter: 0.40 INCHES NOMINAL IN, overall_diameter: 1.0 INCHES NOMINAL IN, special_features: FOR 3/8 - 0.375 SCREW SIZE, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-623-5019, 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

3945690

NSN: 5310-01-623-5019
FSC: 5310 — Nuts and Washers
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)

SPECIFICATIONS

material	PLASTIC NYLON OVERALL
thickness	0.05 INCHES MINIMUM AND 0.07 INCHES MAXIMUM IN
hole_diameter	0.40 INCHES NOMINAL IN
overall_diameter	1.0 INCHES NOMINAL IN
special_features	FOR 3/8 - 0.375 SCREW SIZE
peripheral_shape_style	ROUND
center_hole_shape_style	ROUND
cross-sectional_shape_style	RECTANGULAR
part_name_assigned_by_controlling_agency	SCREW NUT
NSN	5310-01-623-5019

COMPONENT DIAGRAM

KEY FEATURES

•

OVERALL DIAMETER: 1.0 INCHES NOMINAL IN

•

CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR

•

COLOR: BLACK OVERALL

•

PERIPHERAL SHAPE STYLE: ROUND

•

MATERIAL: PLASTIC NYLON OVERALL

•

CENTER HOLE SHAPE STYLE: ROUND

TECHNICAL CHARACTERISTICS

OVERALL DIAMETER	1.0 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE	RECTANGULAR
COLOR	BLACK OVERALL
SPECIAL FEATURES	FOR 3/8 - 0.375 SCREW SIZE
PERIPHERAL SHAPE STYLE	ROUND
PART NAME ASSIGNED BY CONTROLLING AGENCY	SCREW NUT
MATERIAL	PLASTIC NYLON OVERALL
CENTER HOLE SHAPE STYLE	ROUND
HOLE DIAMETER	0.40 INCHES NOMINAL IN
THICKNESS	0.05 INCHES MINIMUM AND 0.07 INCHES MAXIMUM IN

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 1

90295A473Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 3945690?

3945690 is a WASHER,FLAT.

What parts can replace 3945690?

There is 1 known substitute for 3945690: 90295A473. Substitute compatibility should be verified for your specific system.

What is the NSN for 3945690?

3945690 is cataloged in the U.S. Government catalog under NSN 5310-01-623-5019. This indicates validated use in U.S. government and defense supply chains.

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