Model: 310-0077-000

Lock Washer

Properties:

Hole Diameter

Between 0.141 inches and 0.151 inches

Outside Diameter

0.253 inches

Material Thickness

0.031 inches

Hardness Rating

90.0 rockwell b

Material

Copper alloy 510

Material Specification

Qq-b-750 federal specification single material response

Style Designator

Split helical-right hand

Nondefinitive Specification/std Data

E class and 2 style

NSN

5310-00-209-6069

Part Number

310-0077-000

Description

Washer,lock

CAGE

13499

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 310-0077-000 NSN 5310-00-209-6069

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:

095190

UFC:

49790

LTL:

70.0

LCL:

70.0

WCC:

713

TCC:

SHC:

ACC:

Equipment for Aircraft

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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