DIN6916-M20-A4C

Recessed Washer

NSN 5310-01-298-1309

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

100 EA

NIIN:

012981309

Detail Specifications

Hole Diameter:

21.0 millimeters

Outside Diameter:

37.0 millimeters

Recess Depth:

Between 2.0 millimeters and 2.5 millimeters

Material Thickness:

4.0 millimeters

Recess Angle:

90.0 degrees

Material:

Steel

Surface Treatment:

Zinc and chromate

Surface Treatment Specification:

Din 267, cagec d8286 mfr ref single treatment response

Style Designator:

15 recessed

NSN:

5310-01-298-1309

Item Name:

Washer,counter

Cage Code:

15526

Manufacturer Part Numbers

No other part numbers with same form, fit, and function found.

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15933

FIIG:

A022B0

Concept No.:

App. Key:

Cond. Code:

Status:

Part Materials

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:

194160

UFC:

55210

LTL:

50.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Pricing & Availability

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Definition Definition of approved item name (AIN): "Counter Washer"

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.