Model: 4025915

Recessed Washer

Properties:

Hole Diameter

Between 0.505 inches and 0.515 inches

Outside Diameter

Between 0.809 inches and 0.811 inches

Overall Height

Between 0.138 inches and 0.142 inches

Recess Depth

Between 0.104 inches and 0.108 inches

Material Thickness

0.0255 inches

Heat Treatment

T-4 solution heat treated, natural aged

Material

Aluminum alloy 2024

Material Specification

Qq-a-225/6 federal specification single material response

Surface Treatment

Anodize

Surface Treatment Specification

S-137 f4-1 fscm 71379 mfr ref single treatment response

Style Designator

Recessed

NSN

5310-00-209-1695

Part Number

4025915

Description

Washer,recessed

CAGE

71379

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

Part 4025915 NSN 5310-00-209-1695

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15933

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