Model: 2051056

Recessed Washer

Special Features:

Outside edges of both surfaces chamfered 0.030 in. Porm 0.010 in. By 45 degrees porm 1/2 deg.

Properties:

Hole Diameter
Between 0.875 inches and 0.877 inches
Outside Diameter
Between 1.367 inches and 1.369 inches
Material Thickness
Between 0.322 inches and 0.328 inches
Top Recess Diameter
0.935 inches
Bottom Recess Angle
90.5 degrees
Top Recess Angle
89.5 degrees
Bottom Recess Diameter
0.937 inches
Surface Finish
32.0 microinches inner
Surface Finish
32.0 microinches outer
Surface Finish
63.0 microinches bottom
Surface Finish
63.0 microinches top
Material
Aluminum alloy 7075
Material Specification
Qq-a-225/9 federal specification single material response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625 military specification single treatment response
Style Designator
Recessed both sides
NSN
5310-00-912-3693
Part Number
2051056
Description
Washer,recessed
CAGE
10001

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 2051056 NSN 5310-00-912-3693

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:
--
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:
194120
UFC:
95100
LTL:
RATING VARIABLE
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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