Model: N-20856-D

Air Brake Governor Assembly

Special Features:

Weapon system essential

Properties:

End Application
2320-00-089-7264; truck, tractor, 5-ton (m818, m931); truck, dump, 5-ton, 6x6 (m929, m930)/truck, wrecker, 5-ton (m936); truck, cargo, dropside, 5-ton, 6x6 (m813a1, m-923, m-925); truck, cargo, dropside, xlwb, 5-ton, 6x6 (m814, m927, m928); heavy equipment truck tractor, m1070; armored combat earthmover (m9); whidbey island class lsd; shipboard material handling equipment (mhe)
Criticality Code Justification
Feat
General Description
Zcast aluminum body; two 0.125-27 npt thd internal ports; 1 port marked reservior; the other port marked unloader; four 0.330 in. Diameter mtg holes through body; pressure setting 105 to 125 psi; 1.995 in. W by 2.535 in. Lg by 4.070 in. O/a h
Specification Data
81349-mil-c-45334 government specification
NSN
2530-00-854-4457
Part Number
N-20856-D
Description
Governor Assembly,air Brake
CAGE
06721

An automatic device designed to maintain pressure within a predetermined range in the reservoir tank of an air brake system.

Part N-20856-D NSN 2530-00-854-4457

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
10202
FIIG:
A23900
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:
U
ESD:
ESD:
MMAC:
CRITL:
Y

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
6.2 X 3.7 X 2.8
Paclk Weight:
1.1000lbs
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:
121920
UFC:
61960
LTL:
85.0
LCL:
--
WCC:
885
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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