Model: 77344079

Recessed Washer

Properties:

Hole Diameter

Between 0.195 inches and 0.205 inches

Outside Diameter

0.406 inches

Recess Diameter

Between 0.255 inches and 0.265 inches

Recess Depth

Between 0.025 inches and 0.035 inches

Material Thickness

Between 0.045 inches and 0.050 inches

Recess Angle

Between 86.0 degrees and 94.0 degrees

Part Name Assigned By Controlling Agency

Navy special project

Heat Treatment

As fabricated

Material

Steel

Material Specification

Stk540, fscm 03014 mfr ref single material response

Surface Treatment

Cadmium

Surface Treatment Specification

Pf12 0.0003 in.Min, 0.0006 in.Max, fscm 21883 mfr ref single treatment response

Style Designator

15 recessed

Style Designator

Recessed

NSN

5310-00-116-4307

Part Number

77344079

Description

Washer,recessed

CAGE

K0131

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 77344079 NSN 5310-00-116-4307

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:

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