Model: 665-54

Recessed Washer

Properties:

Hole Diameter
Between 0.353 inches and 0.355 inches
Outside Diameter
Between 0.590 inches and 0.610 inches
Material Thickness
Between 0.0596 inches and 0.0600 inches
Top Recess Diameter
Between 0.338 inches and 0.345 inches
Bottom Recess Angle
Between 44.5 degrees and 45.5 degrees
Top Recess Angle
Between 44.5 degrees and 45.5 degrees
Bottom Recess Diameter
Between 0.338 inches and 0.345 inches
Surface Finish
16.0 microinches bottom
Surface Finish
16.0 microinches top
Material
Copper alloy
Style Designator
Recessed both sides
NSN
5310-00-452-8248
Part Number
665-54
Description
Washer,recessed
CAGE
U4271

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 665-54 NSN 5310-00-452-8248

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:
0.1000lbs
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: 7415210000
  • SITC: 69432
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Copper washers including spring washers not threaded

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