Model: 20T4941

Air Brake Chamber

Special Features:

Shank lg: 0.375 in.; shank dia: 1.125 in.; height o/a: 1.500 in.; width o/a: 1.500 in.; dia o/a: 9.000 in.; fork width: 0.562 in.; distance from pivot pinhole center to rod connection end: 2.312 in.; fork arm thk: 0.469 in.; fork arm depth: 1.500 in.; distance from pivot pinhole center to fork end: 0.625 in.; mtg configuration: equally spaced on 4.750 in.Dia bolt circle; mtg facility size: 0.750 in.; mtg method: stud; inlet location: off center; angle from bottom of vertical centerline: 265.0 degs; clevis style designator: no.10; rod end distance o/a: 2.812 in.

Properties:

Stroke Length
2.500 inches
Line Connection Thread Size And Series/type Designator
0.250-18 nptf
Push Rod Length
63.000 inches
Furnished Items And Quantity
Boot
NSN
2530-00-512-3481
Part Number
20T4941
Description
Chamber,air Brake
CAGE
81336

A mechanical device employing a flexible dished diaphragm to convert air pressure into physical force to actuate the brake shoes of a vehicle. see also actuator, safety; actuator, spring brake; and rotochamber.

Part 20T4941 NSN 2530-00-512-3481

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
10864
FIIG:
A515W0
Concept No.:
App. Key:
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:
018400
UFC:
08480
LTL:
70.0
LCL:
70.0
WCC:
581
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8708300050
  • SITC: 78433
  • End Use: Other parts and accessories of vehicles
  • NAICS: 336340
  • USDA: 1

Freight Class: Brakes and servo-brakes and parts, of motor vehicles of headings 8701 to 8705

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