Model: MIL-I-21557

Electrical Insulation Sleeving

Properties:

Wall Thickness
Any acceptable
Dielectric Withstanding Voltage In Volts
7000.0
Reliability Indicator
Not established
Inside Diameter
Between 0.040 inches and 0.049 inches
Overall Length
Between 2.500 feet and 3.500 feet
Tempurature Rating
130.0 degrees celsius
Coating Material
Vinyl or oleoresinous varnish
Environmental Protection
Any acceptable
Impregnation Material
Vinyl or oleoresinous varnish
Flexibility
Flexible
Color
Black
Material
Glass braid, mil-i-3190, class b-a-1
Style Designator
Nonshrinkable
Nondefinitive Specification/std Data
B-a-1 class and 18awg size
Departure From Cited Document
As mod by color
NSN
5970-00-954-0561
Part Number
MIL-I-21557
Description
Insulation Sleeving,electrical
CAGE
81349

A rigid or flexible tubing having uniform inside and outside diameters in the overall length. It is specifically designed to prevent any undesirable flow of current between conductors and other objects. Includes shrinkable type tubing, items in bulk and in specific fabricated lengths (cut to size). Excludes items not having rated electrical characteristics. Also excludes bushing, sleeve; cable nipple, electrical; conduit (as modified); insulation sleeving, electrical, special purpose; insulation sleeving, thermal; sleeve, marker, cable; sleeving, textile, electrical; tubing, glass; and tubing, nonmetallic.

Part MIL-I-21557 NSN 5970-00-954-0561

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00867
FIIG:
A22500
Concept No.:
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:
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:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
103300
UFC:
53360
LTL:
RATING VARIABLE
LCL:
--
WCC:
72D
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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