Model: 4020638

Metal Seal Ring

Properties:

Cross Sectional Shape
Plain rectangular, straight face
Inside Diameter
3.500 inches
Ring Style
Contracting concentric
Radial Wall Thickness
Between 0.0850 inches and 0.0950 inches
Overall Width
Between 0.1540 inches and 0.1550 inches
Joint Style
Step joint
Metallic Hardness Rating
32.0 rockwell c
Material
Steel
Surface Treatment
Chromium outside periphery
Fsc Application Data
Engine, acft, turbofan
NSN
5330-00-352-1836
Part Number
4020638
Description
Seal Ring,metal
CAGE
77445

A circular shaped item designed to be installed in a specially prepared groove or counterbore to provide a low pressure seal. It may be supplied in various cross-sectional shapes and is cut through at one point to allow for installation and fitting. Excludes items whose primary function is to provide sealing, wiping, or wearing surface capabilities for piston configurations. See also ring, piston and ring, wiper.

Part 4020638 NSN 5330-00-352-1836

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
21205
FIIG:
A08400
Concept No.:
App. Key:
D
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:
P
PMIC:
U
ESD:
ESD:
MMAC:
NZ
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:
M
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194120
UFC:
95100
LTL:
125.0
LCL:
100.0
WCC:
596
TCC:
Z
SHC:
Z
ACC:
Equipment for Aircraft

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Schedule B and Export
  • Schedule B: 3926904500
  • SITC: 89399
  • End Use: Other industrial supplies
  • NAICS: 339991
  • USDA: 1

Freight Class: Gaskets,washers & other seals

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