Model: WLK-153

Lock Washer

Properties:

Hole Diameter

Between 0.167 inches and 0.177 inches

Outside Diameter

0.322 inches

Material Thickness

Between 0.017 inches and 0.021 inches

Hardness Rating

Between 40.0 rockwell c and 50.0 rockwell c

Countersink Angle

Between 80.0 degrees and 82.0 degrees

Material

Steel comp 410

Material Specification

66 federal standard single material response

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35, type 2 or type 3 federal specification single treatment response

Style Designator

Countersink external teeth

NSN

5310-00-184-9812

Part Number

WLK-153

Description

Washer,lock

CAGE

50120

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 WLK-153 NSN 5310-00-184-9812

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:

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

End Items End applications NSN 5310-00-184-9812 is a component of

Hc-130) Ec-130e Mc-130h Sof ( Ac-130h Aircraft
Phoenix (aim-54) Air-to-air Missile
Ah-1w Advance Attack Helicopter
Los Angeles Class Ssn (688)
Nuclear Ship Alterations
Tarawa Class Lha
Consolidated Targets
Submarine Combat System Mk 2
120mm Gun (m1a1) Ft Combat Tank
Intercept Guided Missile

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Schedule B and Export

Schedule B: 7318210000
SITC: 69422
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Spring washers and other lock washers, iron or steel