Model: 1881B65

Key Washer

Special Features:

Heat treat to 190, 000 psi-uts; primer and enamel applied to od only; chrome plate omitted on id

Properties:

Hole Diameter

4.560 inches

Outside Diameter

5.500 inches

Internal Key Quantity

Material Thickness

Between 0.312 inches and 0.317 inches

Criticality Code Justification

Feat

Surface Finish

63.0 microinches bottom

Surface Finish

63.0 microinches top

Material

Steel comp 4340

Material Specification

Mil-s-8844 cl 1 military specification single material response

Surface Treatment

Cadmium and chromium and primer and enamel

Surface Treatment Specification

Qq-p-416 type 2 cl 1 federal specification 1st treatment response and qq-c-320 cl 2 federal specification 2nd treatment response and mil-p-23377 military specification 3rd treatment response and mil-c-83286 military specification 4th treatment response

NSN

5310-01-180-1738

Part Number

1881B65

Description

Washer,key

CAGE

13002

A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes thrust type washer.

Part 1881B65 NSN 5310-01-180-1738

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01869

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:

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:

097510

UFC:

55220

LTL:

65.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Trailers/Vehicles

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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