Model: 37431-3

Ring Spacer

Special Features:

Two notches, 0.030 in. Deep

Properties:

Inside Diameter

Between 2.915 inches and 2.925 inches

Outside Diameter

3.800 inches

Overall Thickness

Between 0.0582 inches and 0.0602 inches

Surface Finish

63.0 microinches left side

Surface Finish

63.0 microinches right side

Material

Aluminum alloy 2024

Material Specification

Qq-a-250/4, t4 or t351 federal specification all material responses or qq-a-225/6, t4 or t351 federal specification single material response

Surface Treatment

Anodize

Surface Treatment Specification

Mil-a-8625, type 2, class 2 military specification single treatment response

NSN

5365-01-331-1524

Part Number

37431-3

Description

Spacer,ring

CAGE

09344

A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. For items manufactured from lubricated plastics, see bearing, washer, thrust. For items manufactured from lubricated felt, see felt, mechanical, preformed. Excludes disk, valve; insulator washer; and shim. See also spacer, plate and spacer, sleeve.

Part 37431-3 NSN 5365-01-331-1524

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

24307

FIIG:

A07000

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:

115620

UFC:

59240

LTL:

65.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7616995095
SITC: 69979
End Use: Finished metal shapes
NAICS: 332999
USDA: 1

Freight Class: Articles of aluminum nesoi