Model: 3862408-1

Recessed Washer

Properties:

Hole Diameter

Between 0.401 inches and 0.402 inches

Outside Diameter

Between 0.775 inches and 0.815 inches

Material Thickness

Between 0.178 inches and 0.180 inches

Hardness Rating

Between 58.0 rockwell c and 64.0 rockwell c

Top Recess Diameter

Between 0.421 inches and 0.462 inches

Bottom Recess Angle

90.0 degrees

Top Recess Angle

90.0 degrees

Bottom Recess Diameter

Between 0.421 inches and 0.462 inches

Surface Finish

32.0 microinches bottom

Surface Finish

32.0 microinches top

Material

Steel comp e52100

Material Specification

Mil-s-7420 military specification single material response or ams 6440 assn standard single material response

Style Designator

Recessed both sides

NSN

5310-01-293-5333

Part Number

3862408-1

Description

Washer,recessed

CAGE

99193

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

Part 3862408-1 NSN 5310-01-293-5333

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15933

FIIG:

A022B0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.2000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

576

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7318220000
SITC: 69422
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Washers other than lock washers, iron or steel