Model: 257-4274

Bowl Insulator

Properties:

Identification Code Color
Green
Outside Diameter
1.750 inches
Height Above Mounting Surface
0.938 inches
Top Hole Diameter
0.406 inches
Material And Location
ceramic, steatite, grade g, army spec. No. 71-229-d
NSN
5970-00-280-8947
Part Number
257-4274
Description
Insulator,bowl
CAGE
11530

An insulator used for wire entering or feedthru purposes. May include mounting and/or conducting hardware. Includes replacement bowls for feedthru insulators. Characterized by one or more bowl or bell shaped insulator surfaces.

Part 257-4274 NSN 5970-00-280-8947

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
18300
FIIG:
A007A0
Concept No.:
1
App. Key:
B
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:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
103300
UFC:
53360
LTL:
RATING VARIABLE
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8546900000
  • SITC: 77324
  • End Use: Electric apparatus
  • NAICS: 326199
  • USDA: 1

Freight Class: Electrical insulators, nesoi

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