Model: MS27129-4

Finishing Washer

Properties:

Hole Diameter
Between 0.133 inches and 0.143 inches
Outside Diameter
Between 0.428 inches and 0.448 inches
Overall Height
Between 0.082 inches and 0.102 inches
Material Thickness
Between 0.011 inches and 0.017 inches
Hardness Rating
104.0 brinell standard
Material
Copper alloy 116 or copper alloy
Surface Treatment
Chromium or nickel
Surface Treatment Specification
Qq-c-320, cl 1 federal specification 1st treatment response or qq-n-290, cl 1 federal specification 2nd treatment response
Style Designator
Finishing
NSN
5310-00-996-0133
Part Number
MS27129-4
Description
Washer,finishing
CAGE
96906

A washer or cone or disk shape with a centrally located hole, designed to accommodate a flat or oval head screw and provide additional bearing area on the material being fastened. It may or may not have a flush flange feature.

Part MS27129-4 NSN 5310-00-996-0133

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15932
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:
093460
UFC:
48930
LTL:
70.0
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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