Model: 3860370-1

Shouldered Washer

Properties:

Hole Diameter

Between 2.156 inches and 2.158 inches

Shoulder Diameter

Between 2.330 inches and 2.350 inches

Outside Diameter

Between 2.500 inches and 2.520 inches

Shoulder Height

Between 0.320 inches and 0.350 inches

Material Thickness

Between 0.080 inches and 0.100 inches

Hardness Rating

Between 28.0 rockwell c and 34.0 rockwell c

Surface Finish

63.0 microinches counterbore face

Surface Finish

63.0 microinches top

Material

Steel comp 4130 or steel comp 4140 or steel comp 4340

Material Specification

Astm a322 assn standard all material responses or ams 6414 assn standard 3rd material response or ams 6415 assn standard 3rd material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2, cl 1 federal specification single treatment response

Style Designator

Shouldered

NSN

5310-01-205-5923

Part Number

3860370-1

Description

Washer,shouldered

CAGE

99193

A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. Excludes insulator, washer and thrust type washers.

Part 3860370-1 NSN 5310-01-205-5923

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15934

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:

0.7000lbs

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:

194160

UFC:

55210

LTL:

50.0

LCL:

WCC:

713

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