Model: 2688-4003-438ETBN

Plain Seal

Properties:

Accommodated Shaft Diameter
2.688 inches
Seal Width
0.438 inches
Housing Bore Diameter
4.003 inches
Construction
One-piece
Part Name Assigned By Controlling Agency
Seal, rotary lip
Material
Rubber butadiene nitrile
NSN
5330-01-647-3964
Part Number
2688-4003-438ETBN
Description
Seal,plain
CAGE
30781

A pliable rubber or composition ring-shaped element, split or jointless (solid) not encased in a metal shell, but having a spring, spreader and/or molded-in reinforcement. It is designed to be pressmounted between fixed and movable or moving parts to form a tight and effective seal.

Part 2688-4003-438ETBN NSN 5330-01-647-3964

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04250
FIIG:
A032A0
Concept No.:
App. Key:
BA
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:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194090
UFC:
95100
LTL:
60.0
LCL:
--
WCC:
596
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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