Model: 938.75.11.310

Flat Washer

Properties:

Cross Sectional Shape

Rectangular

Hole Diameter

Between 0.271 inches and 0.286 inches

Edge Shape

Round

Center Hole Shape

1 round

Center Hole Shape

Round

Thickness

Between 0.057 inches and 0.067 inches

Overall Diameter

Between 0.490 inches and 0.510 inches

Hardness Rating

Between 35.0 rockwell c and 40.0 rockwell c

Surface Finish

63.0 microinches bottom

Surface Finish

63.0 microinches top

Material

Steel comp 4130

Material Specification

Ams 6350 assn standard single material response

Surface Treatment

Nickel and cadmium

Surface Treatment Specification

Ams 2416 assn standard 1st treatment response and ams 2416 assn standard 2nd treatment response

NSN

5310-00-194-0637

Part Number

938.75.11.310

Description

Washer,flat

CAGE

S4080

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 938.75.11.310 NSN 5310-00-194-0637

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:

0.2000lbs

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 5310-00-194-0637 is a component of

B-1 Aircraft Support Equipment
Mk-45 5-in./54 Cal Gun
Hc-130) Ec-130e Mc-130h Sof ( Ac-130h Aircraft
Mk 26 (gmls) Guided Missile Launching System
Ec-135h/k/p) Aircraft Tf33-pw-102 (c-135e Engine
B-52h) Aircraft Tf33-p-3/5/9 (c/ec-135 Engine
Kc-135a) F-108 (cfm-56 Aircraft Engine
Tf33-100 (e3a/b/c) Aircraft Engine
T56-a-7/15 (c-130b/e/h/n/p) Aircraft Engine
007108889
Coordi Control Assy
007779017
Co Control Assembly
008398418
Engine Shipping And Storage Container
008592915
Fluid Filter
008863932
Fuel Pressurizing And Drain Valve
008871949
Engine Shipping And Storage Container
008883698
Engine Shipping And Storage Container
009641070
Engine Oil Pump Assembly
009831170
Rotary Pump
010057127
Oil Pump Adapter
011396647
Jet Engine Fuel Pump
014106740
Turbine Engine Accessory Drive Gearbox
010745152
Gear Box Assembly
011479045
Rotary Pump
011607178
Fuel Pressurizing And Drain Valve
011611125
Turbine Engine Accessory Drive Gearbox
011657013
Rotary Pump
011730417
Aircraft Engine Maintenance Fixture
012316132
Engine Oil Pump Assembly
012432539
Turbine Engine Accessory Drive Gearbox
012452842
Linear Hydraulic-pneumatic Actuator
012452843
Electro-pneumatic Actuator
012452844
Butterfly Valve
012492315
Turbine Engine Accessory Drive Gearbox
011491353
Diesel Engine
013016329
Turbine Engine Accessory Drive Gearbox
013042149
Pump And Filter Ass
014929017
Turbine Engine Accessory Drive Gearbox
001245387
Engine With Contain
013372608
Aircraft Gas Turbine Engine Turbine Assembly
013382990
Aircraft Gas Turbine Engine Cold Section Module
013246774
Bearing Retaining Plate
013995317
Butterfly Valve
013998238
Rotary Hydraulic-pneumatic Actuator
014066827
Rotary Hydraulic-pneumatic Actuator
014213498
Fuel Pressurizing And Drain Valve
014752541
Aircraft Gas Turbine Engine
014752543
Aircraft Gas Turbine Engine
013234281
Bearing Retaining Plate
001226826
Full Tracked Recovery Vehicle
011662051
Engine And Containe
000728762
Fuel Pressurizing And Drain Valve
001275730
Turbine Engine Gearbox Housing
002250950
Reduction Unit Assy
002254741
Rotary Pump
002263899
Rotary Pump
013806678
Turbine Engine Accessory Drive Gearbox
004553802
Turbine Engine Gearbox Housing
007951797
Full Tracked Combat Engineer Vehicle
007951797
Full Tracked Combat Engineer Vehicle
007951797
Full Tracked Combat Engineer Vehicle
007951797
Full Tracked Combat Engineer Vehicle
004884322
Rotary Pump
004915769
Turbine Engine Gearbox Housing
004915770
Turbine Engine Gearbox Housing
005022452
Engine Oil Pump Assembly
005702884
Aircraft Gas Turbine Engine Turbine Nozzle Assembly
014927172
O-ring
006214962
Temper Bracket Assy
006336276
Coordi Control Assy
006505598
Rotary Pump
006505600
Rotary Pump
006543617
Rotary Pump
006612972
Engine Component Shipping And Storage Container
006700620
Aircraft Gas Turbine Engine Component Mounting Plate
006740932
Rotary Pump

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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