Model: 12991533

Recessed Washer

Properties:

Hole Diameter

0.508 inches

Outside Diameter

0.742 inches

Material Thickness

0.100 inches

End Application

1005-01-382-0953; carbine 5.56 millimeter

Hardness Rating

Between 0.25 rockwell c and 35.0 rockwell c

Top Recess Diameter

0.692 inches

Bottom Recess Angle

60.0 degrees

Top Recess Angle

120.0 degrees

Bottom Recess Diameter

0.512 inches

Surface Finish

125.0 microinches all surfaces

Color

Black

Material

Stainless steel

Material Specification

Astm a564, 17-4, cond a assn standard single material response

Surface Treatment

Oxide

Style Designator

Recessed both sides

NSN

5310-01-475-9652

Part Number

12991533

Description

Washer,recessed

CAGE

19200

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 12991533 NSN 5310-01-475-9652

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:

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:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

573

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