Model: N407P7C

Lock Washer

Properties:

Hole Diameter

Between 0.141 inches and 0.151 inches

Outside Diameter

0.239 inches

Material Thickness

Between 0.025 inches and 0.031 inches

Hardness Rating

90.0 rockwell b

Material

Copper alloy

Material Specification

C4b1 fscm 30221 mfr ref single material response

Surface Treatment

Cadmium

Surface Treatment Specification

F70c1a fscm 09172 mfr ref single treatment response

Style Designator

Split helical-right hand

NSN

5310-00-565-6772

Part Number

N407P7C

Description

Washer,lock

CAGE

09172

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 N407P7C NSN 5310-00-565-6772

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:

194120

UFC:

95100

LTL:

RATING VARIABLE

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7415210000
SITC: 69432
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Copper washers including spring washers not threaded