Model: 31799

Spring Tension Washer

Properties:

Hole Diameter

0.400 inches

Outside Diameter

Between 0.470 inches and 0.480 inches

Overall Height

Between 0.030 inches and 0.040 inches

Material Thickness

Between 0.004 inches and 0.006 inches

Min. Tensile Strength (psi)

265000 pounds per square inch

Material

Steel comp c

Material Specification

Mil-s-25043 military specification single material response

Surface Treatment

Passivate

NSN

5310-00-411-9768

Part Number

31799

Description

Washer,spring Tension

CAGE

94697

A bent spring metal washer with a centrally located hole. It is designed to exert pressure axially when assembled in place.

Part 31799 NSN 5310-00-411-9768

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15938

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: 7318210000
SITC: 69422
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Spring washers and other lock washers, iron or steel