Model: 163B5891

Shouldered And Recessed Washer

Properties:

Hole Diameter
Between 0.591 inches and 0.597 inches
Shoulder Diameter
Between 0.710 inches and 0.750 inches
Outside Diameter
Between 1.050 inches and 1.070 inches
Shoulder Height
Between 0.025 inches and 0.055 inches
Material Thickness
Between 0.070 inches and 0.110 inches
Recess Angle
90.0 degrees
Material
Steel
Material Specification
Qq-s-763, class 304 federal specification 1st material response or qq-s-763, class 304l federal specification 2nd material response or mil-t-8506 military specification 3rd material response
Surface Treatment
Passivate
Style Designator
Shouldered and recessed
NSN
5310-00-531-3439
Part Number
163B5891
Description
Washer,shouldered And Recessed
CAGE
05606

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 163B5891 NSN 5310-00-531-3439

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:
U
ESD:
ESD:
MMAC:
SX
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:
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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