Model: 6393680-278

Shouldered And Recessed Washer

Special Features:

Washer for midbody fairing installation

Properties:

Hole Diameter
Between 0.404 inches and 0.409 inches
Shoulder Diameter
0.722 inches
Outside Diameter
Between 1.498 inches and 1.505 inches
Overall Height
0.170 inches
Recess Diameter
0.738 inches
Shoulder Height
0.100 inches
Recess Angle
100.0 degrees
Part Name Assigned By Controlling Agency
Navy special project
Material
Titanium alloy uns r56401
Material Specification
Mil-t-9046, code ab-2, condition a military specification 1st material response or astm b265, grade 23 assn standard 2nd material response or mil-t-9047, comp 6al-4v, cond a military specification 3rd material response or astm b-348, grade 23 assn standard 4th material response
Style Designator
Shouldered and recessed
NSN
5310-01-508-1258
Part Number
6393680-278
Description
Washer,shouldered And Recessed
CAGE
D9182

A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing, sleeve; or spacer, sleeve. Excludes insulator, washer and thrust type washers.

Part 6393680-278 NSN 5310-01-508-1258

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15935
FIIG:
A022B0
Concept No.:
1
App. Key:
A
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:
A
ESD:
ESD:
MMAC:
CRITL:
X

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

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

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Schedule B and Export
  • Schedule B: 7616108000
  • SITC: 69440
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Cotters, cotter-pins, washers and similar articles, of aluminum

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