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.:
1
App. Key:
B
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
SO
CRITL:
X

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:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194160
UFC:
55210
LTL:
50.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
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

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