Model: SM-B-540959-1

Lock Washer

Properties:

Hole Diameter

Between 0.102 inches and 0.111 inches

Outside Diameter

0.188 inches

Material Thickness

Between 0.020 inches and 0.026 inches

Material

Steel comp 202 or steel comp 302 or steel comp 304 or steel comp 304l or steel comp 316 or steel comp 321 or steel comp 347 or steel comp 403 or steel comp 440a or steel comp 446

Material Specification

Qq-s-763, cond a federal specification all material responses

Surface Treatment

Passivate

Surface Treatment Specification

Mil-f-14072, finish e300 military specification single treatment response

Style Designator

Split helical-right hand

NSN

5310-01-045-2197

Part Number

SM-B-540959-1

Description

Washer,lock

CAGE

80063

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 SM-B-540959-1 NSN 5310-01-045-2197

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

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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