Model: S7406 REV 3

Key Washer

Properties:

Hole Diameter

1.0625 inches

Outside Diameter

1.750 inches

External Straight Key Length

0.375 inches

Peening Key Length

1.000 inches

External Straight Key Width

0.500 inches

Overall Distance Including Keys

2.7500 inches

Material Thickness

0.0625 inches

Part Name Assigned By Controlling Agency

Navy special project

Material

Nickel alloy a

Material Specification

Qq-n-281 federal specification single material response

Style Designator

Key

Reference Number Differentiating Characteristics

As differentiated by material, bolt size

NSN

5310-00-230-6227

Part Number

S7406 REV 3

Description

Washer,key

CAGE

81601

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 S7406 REV 3 NSN 5310-00-230-6227

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:

139820

UFC:

70220

LTL:

85.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7508900000
SITC: 69975
End Use: Finished metal shapes
NAICS: 332999
USDA: 1

Freight Class: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)