Model: 563-7409375-9

Lock Washer

Special Features:

Washer has 8 lock tabs; 0.281 min, 0.343 max

Properties:

Hole Diameter

Between 0.612 inches and 0.781 inches

Material Thickness

0.062 inches

End Application

Seawolf class ssn, valve

Material

Nickel alloy 400

Material Specification

Qq-n-281, class a federal specification single material response

Style Designator

Flat external teeth

NSN

5310-01-495-2950

Part Number

563-7409375-9

Description

Washer,lock

CAGE

53711

A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces

Part 563-7409375-9 NSN 5310-01-495-2950

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

14218

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:

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: 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)