Model: MS27129-7

Finishing Washer

Properties:

Hole Diameter
0.187 inches
Outside Diameter
Between 0.521 inches and 0.541 inches
Overall Height
Between 0.092 inches and 0.112 inches
Material Thickness
Between 0.011 inches and 0.017 inches
Material
Copper alloy 260 or copper alloy 268
Material Specification
Qq-b-613, 1/4 or 1/2 hard federal specification all material responses
Surface Treatment
Chromium or nickel
Surface Treatment Specification
Qq-c-320, class 1 federal specification 1st treatment response or qq-n-290, class 1 federal specification 2nd treatment response
Style Designator
Finishing
NSN
5310-00-955-0207
Part Number
MS27129-7
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 MS27129-7 NSN 5310-00-955-0207

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:
Q

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: 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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