Model: 4257-A1

Thermal Fuse Link

Properties:

Overall Length
0.457 inches
Tempurature Rating
128.0 degrees celsius
Terminal Length
1.380 inches
Overall Diameter
0.158 inches
Continuous Current Rating In Amps
15.000
Maximum Voltage Rating In Volts
277.0 ac
NSN
5920-01-189-2354
Part Number
4257-A1
Description
Fuse Link,thermal
CAGE
27012

A replaceable, protective, current carrying element for heaters, heat ducts, and like items. It is designed with fusible material which will melt at known ambient temperatures and disconnect the item from its power source. See also link, fusible, fire.

Part 4257-A1 NSN 5920-01-189-2354

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
20348
FIIG:
A01700
Concept No.:
App. Key:
G
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:
ESD:
MMAC:
EH
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:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
062060
UFC:
34740
LTL:
RATING VARIABLE
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 3603000000
  • SITC: 59320
  • End Use: Parts for military-type goods
  • NAICS: 325920
  • USDA: 1

Freight Class: Safety fuses; detonating fuses; percussion or detonating caps, igniters; electric detonators

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