11-878

Pressure And Temper Relief Valve

NSN 4820-01-646-5998

DEMIL
Shelf Life
UOM
NIIN
Demil:
Shelf Life:
UOM:
NIIN:
016465998

Product Features

Fully open: 165 degrees and below; starts to close: 165-180 deg; fully closed: 180 deg; fluid: mil-h-83282; valve cracking pressure: 40 psid max, at 190-195 degrees f; valve to reseat at 30 psid min

Technical Specifications of NSN

Body Material:
Aluminum alloy, qq-a-200/8, alloy 6061, t6
Outside Surface Treatment:
Anodized, mil-a-8625, type 2
Body Style:
Straight thru
Stem Material:
Aluminum alloy, qq-a-200/8, alloy 6061, t6
Tempurature Rating:
-65.0 degrees fahrenheit and 320.0 degrees fahrenheit
Media For Which Designed:
Oil
First End Flange Shape Style:
Oval w/ bolt holes
First End Flange Thickness:
0.125 inches
First End Flange Length:
1.812 inches
First End Flange Width:
0.875 inches
First End Flange End Radius:
0.250 inches
First End Bolt Hole Quantity:
2
First End Bolt Hole Diameter:
0.221 inches
Second End Relationship With First End:
Not identical
Second End Style Designator:
Grooved
Seat Material:
Aluminum alloy, qq-a-200/8, alloy 6061, t6
Body Outside Diameter:
0.798 inches
Flow Control Device:
Stem and integral disk
Tempurature Control Device Type:
Thermostatic
First End Center To Center Distance Between Holes Along Length:
1.312 inches
Part Name Assigned By Controlling Agency:
Valve bypass hydr; valve, bypass thermal and pressure
NSN:
4820-01-646-5998
Item Name:
Relief Valve
Cage Code:
27195

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
60875-002
Cage Code:
12536
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16996
FIIG:
A07100
Concept No.:
1
App. Key:
AR
Cond. Code:
1
Status:
A

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
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:
--
WCC:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Pricing & Availability

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Privacy | Terms

Definition Definition of approved item name (AIN): "Relief Valve"

A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also valve, safety relief and valve, regulating. Temperature.

MOE Major Organizational Entities

Entity
DSOR
User:
DEPARTMENT OF THE AIR FORCE Dept. of the Air Force
DSOR:
User:
DEPARTMENT OF THE NAVY Dept. of the Navy
DSOR:
Import / Export
  • Schedule B: 8481400000
  • SITC: 74740
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Classification: Safety or relief valves


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