4810-00-339-4535

Description: Valve Seat

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MILSPEC: MIL-T-18291

 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-T-18291 Parts

MIL-T-18291 Valve Seat

Spec. Type Spec. Color Gloss Size
Material document and classification MIL-T-18291

Array Properties

  • NSN:
    Array
  • Description:
    Valve Seat
  • Shelf Life:
    N/A
  • DEMIL:
    NO
  • UOM:
    1 EA
  • Flange Diameter:
    0.438 inches
  • Body Outside Diameter:
    Between 0.187 inches and 0.188 inches
  • Flange Seat To Disk End Height:
    0.156 inches
  • Under Flange Height:
    0.438 inches
  • Hardness Rating:
    32.0 rockwell c body
  • Material:
    Steel body
  • Material Specification:
    Mil-t-18291 military specification single material response body
  • Style Designator:
    Plain flanged
Manufacturers and Part Numbers
Part Number
Brand
1109617
Westinghouse Electric Corp
25J553PC163
Westinghouse Electric Corp
25J641PC163
Westinghouse Electric Corp
27J553PC116
Westinghouse Electric Corp
27J593PC116
Westinghouse Electric Corp
27J527PC44
Westinghouse Electric Corp
27J529PC44
Westinghouse Electric Corp
28J373PC140
Westinghouse Electric Corp
28J398PC122
Westinghouse Electric Corp
28J418PC34
Westinghouse Electric Corp
7T5248LCP116
Naval Ship Systems Command
7T6930LPC140
Naval Ship Systems Command
7T6956LPC34
Naval Ship Systems Command
BB61S61-0123ALT1PC34
Naval Ship Systems Command
BB61S61-034ALT1PC163
Naval Ship Systems Command
BB61S61-123ALT8PC163
Naval Ship Systems Command
BB61S61-0119PC140
Naval Ship Systems Command
CM5S6100-0263PC44
Naval Ship Systems Command
CM5S6100-0265PC44
Naval Ship Systems Command
CM5S6100-0291ALT1PC116
Naval Ship Systems Command
CV9S6100-552ALT7PC163
Naval Ship Systems Command
S6100-321702PC122
Naval Ship Systems Command
1387343
Westinghouse Electric Corp
14F332PC5
Westinghouse Electric Corp
25J485PC140
Westinghouse Electric Corp
25J489PC34
Westinghouse Electric Corp
25J427PC163
Westinghouse Electric Corp
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:
U
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): U
Precious metal content is unknown
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):