Model: 554151

Shouldered And Recessed Washer

Properties:

Hole Diameter
Between 0.127 inches and 0.129 inches
Shoulder Diameter
Between 0.221 inches and 0.224 inches
Outside Diameter
Between 0.340 inches and 0.360 inches
Recess Diameter
0.177 inches
Shoulder Height
Between 0.038 inches and 0.042 inches
Material Thickness
Between 0.040 inches and 0.050 inches
Recess Angle
Between 58.0 degrees and 62.0 degrees
Surface Finish
63.0 microinches counterbore wall
Surface Finish
63.0 microinches inner
Surface Finish
63.0 microinches shoulder face
Material
Nickel alloy
Material Specification
Ams 5709 assn standard single material response
Style Designator
Shouldered and recessed
NSN
5310-00-878-9930
Part Number
554151
Description
Washer,shouldered And Recessed
CAGE
77445

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 554151 NSN 5310-00-878-9930

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:
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:
139820
UFC:
70220
LTL:
85.0
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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