Model: 1212AS421-1

Air Pressure Relay Valve

Properties:

First End Connection Type
Threaded internal pipe
First End Style Designator
Plain
First End Thread Direction
Right-hand
Second End Relationship With First End
Not identical
Second End Connection Type
Threaded internal pipe
Second End Style Designator
Plain
Second End Thread Direction
Right-hand
Third End Relationship With Preceding Ends
Identical with second end
Fourth End Relationship With Preceding Ends
Identical with second end
End Connection Quantity
4
First End Thread Series Designator
Npt
First End Thread Size
0.750 inches
Second End Thread Size
0.250 inches
Second End Thread Series Designator
Npt
NSN
2530-01-137-9236
Part Number
1212AS421-1
Description
Valve,relay,air Pressure
CAGE
30003

A valve specifically designed for installation in an air brake system. It is used on trailers, long wheel base vehicles, as well as multiple rear axle vehicles. It serves to speed and synchronize the application and release of air operated service or parking brakes. It may include emergency features for trailer application.

Part 1212AS421-1 NSN 2530-01-137-9236

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
36296
FIIG:
A07100
Concept No.:
1
App. Key:
AT
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:
TG
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
3.3000lbs
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:
127220
UFC:
64490
LTL:
77.5
LCL:
77.5
WCC:
885
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8481809050
  • SITC: 74780
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Other taps, cocks, valves, etc., nesoi

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