21549-1

Valve Seat

NSN 4820-00-031-7453

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
000317453

Product Technical Spec.

Flange Diameter:
0.656 inches
Body Outside Diameter:
0.495 inches
Body Inside Diameter:
0.315 inches
End Application:
4820&670&6583
Flange Seat To Disk End Height:
0.048 inches
Under Flange Height:
0.232 inches
Hardness Rating:
28.0 rockwell c and 34.0 rockwell c
Material:
Steel comp 416
Material Specification:
Qq-s-763 cl 6 federal specification single material response
Style Designator:
Plain flanged
Fsc Application Data:
Valve
NSN:
4820-00-031-7453
Item Name:
Seat,ring
Cage Code:
01359

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
KC4070
Cage Code:
98801
RNCC:
5
RNVC:
9
RNAAC:
SB
Status:
A
MSDS:
SADC:

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22113
FIIG:
A15500
Concept No.:
App. Key:
A
Cond. Code:
2
Status:
A

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
HS
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:
Z
ACC:
Equipment for Aircraft

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Pricing & Availability

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Privacy | Terms

Definition Definition of approved item name (AIN): "Ring Seat"

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

MOE Major Organizational Entities

Entity
DSOR
User:
DEPARTMENT OF THE AIR FORCE Dept. of the Air Force
DSOR:
User:
POLAND Poland
DSOR:
User:
BRAZIL Brazil
DSOR:
User:
NEW ZEALAND New Zealand
DSOR:
User:
DENMARK Denmark
DSOR:
User:
TURKEY Turkey
DSOR:
Import / Export
  • Schedule B: 8481909090
  • SITC: 74790
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Classification: Parts of taps, cocks, valves and similar appliances, nesoi


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