Model: MIL-B-19257

Dust And Moisture Seal Boot

Properties:

Thread Class
2b
Thread Length
0.176 inches
Overall Height
0.844 inches
Sealing Method
Mechanical
Width Across Flats
0.625 inches
Mounting Method
Thread
Opening Inside Diameter
0.125 inches
Thread Series
Uns
Base Thread Location
Internal
Material
Rubber silicone body
Material Specification
Zz-r-765, class 1b, grade 50 federal specification single material response body
Style Designator
Closed end
Test Data Document
81349-milb5423b specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Nondefinitive Specification/std Data
1 style and a type
NSN
5975-00-578-2717
Part Number
MIL-B-19257
Description
Boot,dust And Moisture Seal
CAGE

A flexible, nonmetallic item designed to prevent entry of dust, moisture and other contaminants into critical areas around shafts, levers, electrical wires and hoses. Sealing may be either static or dynamic. The item may include mounting hardware (support plates, clamps and the like). Excludes bellows, protection; grommet, nonmetallic; and cable nipple, electrical. See also cap, electrical; cap, protective, dust and moisture seal; and shield, electrical connector.

Part MIL-B-19257 NSN 5975-00-578-2717

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
19302
FIIG:
A02000
Concept No.:
App. Key:
A
Cond. Code:
2
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:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8543909000
  • SITC: 77879
  • End Use: Electric apparatus
  • NAICS: 335999
  • USDA: 1

Freight Class: Electrical machines and apparatus parts, nesoi

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