Model: NAS1149C1490B

Flat Washer

Properties:

Cross Sectional Shape

Rectangular

Hole Diameter

Between 0.880 inches and 0.900 inches

Edge Shape

Round

Center Hole Shape

1 round

Thickness

0.090 inches

Overall Diameter

Between 1.495 inches and 1.520 inches

Color

Black

Material

Steel comp 301 or steel comp 302 or steel comp 304 or steel comp 316 or steel comp 321 or steel comp 347 or steel comp 348

Material Specification

Mil-s-5059 military specification 1st material response or mil-s-5059 military specification 2nd material response or mil-s-5059 military specification 3rd material response or mil-s-5059 military specification 4th material response or mil-s-6721 military specification 5th material response or mil-s-6721 military specification 6th material response or mil-s-6721 military specification 7th material response

Surface Treatment

Oxide

Surface Treatment Specification

Mil-c-13924 military specification single treatment response

NSN

5310-01-144-4764

Part Number

NAS1149C1490B

Description

Washer,flat

CAGE

80205

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes disk, valve, graphite impregnated and lubricated items.

Part NAS1149C1490B NSN 5310-01-144-4764

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

13393

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:

194160

UFC:

55210

LTL:

50.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

End Items End applications NSN 5310-01-144-4764 is a component of

Tam E09967 Mine Clearing Blade
Ah-1w Advance Attack Helicopter
Sh-60f Carrier Based Asw Helicopter
Hh-60h Search And Rescue Helicopter
Milstar System
Kidd Class Ddg
Fms - Knox Class Ff
120mm Gun (m1a1) Ft Combat Tank
H-60 Seahawk Helicopter
Fms - Asroc Launcher
011519927
Remote Ground Termi
013419101
Communications Control Set
010269621
Vpa Assembly
012580466
Digital Communicati
011463260
Kg-84a
004343644
Speech Equipmen
011255976
Telephone Set

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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