Model: 74A410522-2001

Shouldered And Recessed Washer

Properties:

Hole Diameter

Between 2.9700 inches and 2.9750 inches

Shoulder Diameter

Between 3.1900 inches and 3.1915 inches

Outside Diameter

Between 3.504 inches and 3.506 inches

Recess Diameter

Between 3.090 inches and 3.095 inches

Shoulder Height

0.565 inches

Material Thickness

Between 0.089 inches and 0.090 inches

Recess Angle

Between 88.0 degrees and 92.0 degrees

Surface Finish

63.0 microinches top

Material

Copper alloy 172

Material Specification

Qq-c-530, temper at federal specification single material response

Style Designator

Shouldered and recessed

NSN

5310-01-122-3218

Part Number

74A410522-2001

Description

Washer,shouldered And Recessed

CAGE

76301

A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing, sleeve; or spacer, sleeve. Excludes insulator, washer and thrust type washers.

Part 74A410522-2001 NSN 5310-01-122-3218

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15935

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:

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:

194120

UFC:

95100

LTL:

RATING VARIABLE

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7616108000
SITC: 69440
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Cotters, cotter-pins, washers and similar articles, of aluminum