Model: ANSI B18.21.1

Lock Washer

Properties:

Hole Diameter

Between 0.636 inches and 0.653 inches

Outside Diameter

1.079 inches

Material Thickness

Between 0.156 inches and 0.166 inches

Min. Tensile Strength (psi)

155000 pounds per square inch

Hardness Rating

Between 33.0 rockwell c and 40.0 rockwell c

Material

Nickel alloy a

Material Specification

Qq-n-286 federal specification single material response

Style Designator

Split helical-right hand

NSN

5310-00-187-2430

Part Number

ANSI B18.21.1

Description

Washer,lock

CAGE

80204

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 ANSI B18.21.1 NSN 5310-00-187-2430

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:

2.3000lbs

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)