Model: 128AMM10304-1

Shouldered And Recessed Washer

Properties:

Hole Diameter

Between 1.743 inches and 1.745 inches

Shoulder Diameter

Between 1.939 inches and 1.940 inches

Outside Diameter

2.187 inches

Shoulder Height

0.375 inches

Material Thickness

0.093 inches

Min. Tensile Strength (psi)

125000 pounds per square inch

Hardness Rating

Between 27.0 rockwell c and 32.0 rockwell c

Recess Angle

90.0 degrees

Material

Steel comp 416

Material Specification

Astm a582 assn standard single material response

Surface Treatment

Passivate

Style Designator

Shouldered and recessed

NSN

5310-00-950-1294

Part Number

128AMM10304-1

Description

Washer,shouldered And Recessed

CAGE

26512

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 128AMM10304-1 NSN 5310-00-950-1294

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:

194160

UFC:

55210

LTL:

50.0

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