Model: 3817

Spring Tension Washer

Properties:

Hole Diameter

Between 0.312 inches and 0.317 inches

Outside Diameter

Between 1.109 inches and 1.141 inches

Overall Height

Between 0.042 inches and 0.048 inches

Material Thickness

0.018 inches

Material

Steel

Material Specification

Mil-s-7947 cond a military specification single material response

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416, type 1, cl 2 federal specification single treatment response

Style Designator

Spring tension

NSN

5310-00-397-1895

Part Number

3817

Description

Washer,spring Tension

CAGE

22525

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

Part 3817 NSN 5310-00-397-1895

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