Model: 7400429

Recessed Washer

Properties:

Hole Diameter
Between 0.391 inches and 0.422 inches
Outside Diameter
Between 1.734 inches and 1.766 inches
Recess Diameter
0.438 inches
Recess Depth
0.016 inches
Material Thickness
Between 0.109 inches and 0.141 inches
Top Recess Diameter
0.438 inches
Bottom Recess Angle
90.0 degrees
Top Recess Angle
90.0 degrees
Bottom Recess Diameter
0.438 inches
Material
Steel comp 4032 or steel comp 1010 or steel comp 1015 or steel comp 1020
Material Specification
66 federal standard 1st material response or qq-s-633 canc federal specification 2nd material response or qq-s-633 canc federal specification 3rd material response or qq-s-633 canc federal specification 4th material response
Surface Treatment
Phosphate
Surface Treatment Specification
Mil-c-16232, type 2 military specification single treatment response
Style Designator
Recessed both sides
NSN
5310-00-740-0429
Part Number
7400429
Description
Washer,recessed
CAGE
19207

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 7400429 NSN 5310-00-740-0429

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15933
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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.7000lbs
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

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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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