Model: A264

Recessed Washer

Special Features:

Counterbored corners rounded by 0.062 in. Radius, od rounded to 0.680 in. Diameter by 1.000 in. Radius

Properties:

Hole Diameter

Between 0.440 inches and 0.460 inches

Outside Diameter

Between 0.985 inches and 0.990 inches

Overall Height

Between 0.334 inches and 0.354 inches

Recess Depth

0.125 inches

Material Thickness

Between 0.116 inches and 0.120 inches

Min. Tensile Strength (psi)

90000 pounds per square inch

Surface Finish

63.0 microinches all surfaces

Material

Steel comp 4140 or steel comp 4340

Material Specification

Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response

Style Designator

Recessed

Test Data Document

81349-mil-i-6868 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).

NSN

5310-00-520-6079

Part Number

A264

Description

Washer,recessed

CAGE

13730

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 A264 NSN 5310-00-520-6079

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:

0.6 X 0.5 X 0.1

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:

194160

UFC:

55210

LTL:

50.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7318220000
SITC: 69422
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Washers other than lock washers, iron or steel