4820-00-987-7453

Description: Valve Seat

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MILSPEC: MIL-S-853

 Export Restrictions

Any part(s) quoted or sold by MilSpec.parts and re-sold (to a third party) CANNOT be sold to a USA embargoed country, company, entity, or person(s). Depending on the ECCN, these commodities may require export license or exception. Diversion contrary to U.S. law is prohibited. Unless otherwise noted, this sale, order or quote may include Munitions List Items (MLI) or Commerce Controlled List Items (CCLI). MLI/CCLI property is controlled by the US Government and in many cases cannot be transferred (exported, sold or given) to a foreign country, a non-US Citizen/National or a non- Permanent US Resident without a valid State/Commerce Department export authorization. It is the responsibility of (the Purchaser) to determine what the applicable requirements may be, to obtain all necessary authorizations, licenses or approvals and are subject to both review and acceptance by MilSpec.parts. The use, disposition, export and re-export of the property covered or included in this sale, order or quote is subject to the provisions of law referenced in End-Use Certificate DLA form 1822, DEC 2001, including, but not limited to, the Arms Export Control Act (22 USC 2751 et seq.); Export Administration Act of 1979 (50 USC App. 2401 et seq.) as contained under Executive Order 12924; International Traffic in Arms Regulations (22 CFR 120 et seq.); Export Administration Regulations (15 CFR 730 et seq.); Foreign Assets Control Regulations (31 CFR 500 et seq.) and the Espionage Act (18 USC 793 et seq.)

More MIL-S-853 Parts

MIL-S-853 Valve Seat

Spec. Type Spec. Color Gloss Size
Material document and classification MIL-S-853

Array Properties

  • NSN:
    Array
  • Description:
    Valve Seat
  • Shelf Life:
    N/A
  • DEMIL:
    NO
  • UOM:
    1 EA
  • Flange Diameter:
    Between 2.5005 inches and 2.5010 inches
  • Body Outside Diameter:
    Between 1.999 inches and 2.000 inches
  • Seat Radius:
    Between 0.147 inches and 0.153 inches
  • Flange Seat To Disk End Height:
    0.498 mils and 0.502 centimeters
  • Under Flange Height:
    1.000 inches
  • Seating Surface Shape:
    Radial
  • Body Stepped Inside Diameter:
    1.500 inches third step
  • Material:
    Steel seat
  • Material Specification:
    Stellite b21b23 mfr ref single material response seat
  • Style Designator:
    Plain flanged
  • Fsc Application Data:
    Turbine, steam
Manufacturers and Part Numbers
Part Number
Brand
101B354AA2
General Electric Co
PL501E458AEPC4
General Electric Co
Major Organizational Entities (MOE)
Entity
MOE Code
MOE Rule
PICA
DSOR
User:
DEPARTMENT OF THE NAVY Dept. of the Navy
MOE_CD:
DN
MOE_RL:
N9BC
PICA:
GX
DSOR:
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
Material and Special Handling
Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
---
CRITL:
X
Hazmat (HMIC): N
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Precious Metals (PMIC): A
Item does not contain precious metal.
Criticality (CRITL): X
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Packaging and Dimensions
Package Size
Package Weight
Part Weight
Part Dimensions (approx.)
Pack Size:
--
Pack Weight:
--
Item Weight:
--
Item Dim:
--
Container
OPI
SPI No.
SPI Rev.
Container:
OPI:
SPI No.:
SPI Rev.:
SPC Mkg.
LVL A
LVL B
LVL C
SPC Mkg.:
LVL A:
LVL B:
LVL C:
CUSH
MOP
CATEG.
PRESS MAT
CUSH:
MOP:
CATEG.:
PRESS MAT:
WRAP MAT
ICQ
THK
TOS
UCL
WRAP MAT:
ICQ:
THK:
TOS:
UCL:
Packaging Code Definitions
LVL A Code (LVL_A):
LVL B Code (LVL_B):
Procedure Indicator Code (OPI):
Special Markings Code (SPC MKG):
Method of Preservation (MOP):
Cushion Material (CUSH):
Preservation Material (PRESS MAT):