Model: 997075R91

Air Pressure Relay Valve

Properties:

Body Material
Aluminum alloy
Body Style
Tee give "adql" and "adqm" only when flanged all ends
Media For Which Designed
Air
First End Connection Type
Threaded internal pipe
First End Style Designator
Plain
First End Pipe Size Accommodated
0.840 inches
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 Pipe Size Accommodated
0.540 inches
Second End Thread Direction
Right-hand
Third End Relationship With Preceding Ends
Identical with second end
Fourth End Relationship With Preceding Ends
Not identical with first, second or third end
Fourth End Connection Type
Unthreaded internal pipe
Fourth End Style Designator
Socket
Fourth End Pipe Size Accommodated
0.580 inches
Flow Control Device
Diaphragm
Flow Control Device Material
Rubber, synthetic
End Connection Quantity
4
Tempurature Adjustability
Not adjustable
NSN
2530-00-756-8903
Part Number
997075R91
Description
Valve,relay,air Pressure
CAGE

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 997075R91 NSN 2530-00-756-8903

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
1.0000lbs
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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