Model: 319890

Shouldered And Recessed Washer

Special Features:

Chamfer 0.060 in. By 45 degrees outside right corner of boss and stamp omc trademark and part number 0.094 in. High, 0.010 in. Min 0.020 in. Max deep on face or alternate location per dwg

Properties:

Hole Diameter

Between 0.755 inches and 0.759 inches

Shoulder Diameter

Between 1.490 inches and 1.495 inches

Outside Diameter

Between 1.747 inches and 1.753 inches

Recess Diameter

Between 0.874 inches and 0.878 inches

Shoulder Height

Between 0.247 inches and 0.253 inches

Material Thickness

0.125 inches

Hardness Rating

38.0 rockwell c

Recess Angle

Between 57.0 degrees and 60.0 degrees

Material

Steel comp 416

Surface Treatment

Passivate

Style Designator

Shouldered and recessed

NSN

5310-01-147-4917

Part Number

319890

Description

Washer,shouldered And Recessed

CAGE

1UVT5

A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. 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 319890 NSN 5310-01-147-4917

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15935

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:

0.1000lbs

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: 7616108000
SITC: 69440
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Cotters, cotter-pins, washers and similar articles, of aluminum