NSN 4820-00-439-9759 NIIN 004399759 — Valve Seat

NSN
Item Name
Assigned
DEMIL
Shelf Life
UOM
Using Services
NSN:
4820-00-439-9759
4820004399759
Description:
SEAT,VALVE
NSN Assigned:
01-JAN-63
DEMIL:
NO
Shelf Life:
N/A
UOM:
5 EA
Using Services:
Navy

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Quality Commitment

Serving our customers with quality and safety first.

  •   AS9120 Certified
  •   Audited supply chain
  •   ITAR Registered
  •   DDTC Registered
  •   HAZMAT Certified
  •   Customer service objectives
  •   Every product 100% inspected
AS9120 Certified by SAI Global

4820-00-439-9759 Specification Set by the OEM (see RNCC code 3)

Flange Diameter ABKK:

2.637in. and 2.638in.

Body Outside Diameter ADAR:

2.273in. and 2.277in.

Body Inside Diameter ADAS:

2.182in. and 2.192in.

Flange Seat To Disk End Height AJRF:

0.436in. and 0.438in.

Under Flange Height AJRM:

0.136in. and 0.144in.

Seat Angle In Deg AJSG:

45.000

Hardness Rating CQFM:

90.0 rockwell b body and 105.0 rockwell b body

Seating Surface Shape CQKM:

angular

Material MATT:

steel

Material Document And Classification MDCL:

ams 5700 assn std single material response

Style Designator STYL:

plain flanged

Fsc Application Data ZZZV:

acft eng R1830

Cross Reference Parts Part numbers that meet the specification outlined on this page and set by the OEM

Part Number
Cage
RNCC
RNVC
DAC
RNAAC
Status
MSDS
SADC
Part Number:
17181P5
Cage Code:
77445
RNCC:
3
RNVC:
2
DAC:
X
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
17181P005
Cage Code:
00198
RNCC:
5
RNVC:
2
DAC:
X
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
17181P5
Cage Code:
00198
RNCC:
5
RNVC:
2
DAC:
X
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
17181P005
Cage Code:
77445
RNCC:
5
RNVC:
9
DAC:
5
RNAAC:
TU
Status:
A
MSDS:
SADC:

Identification Item Identification Guide (IIG) and Item Name Code (INC)

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22113
FIIG:
A15500
Concept No.:
App. Key:
A
Cond. Code:
2
Status:
A
STYLE DESIGNATOR PLAIN FLANGED style nsn 4820-00-439-9759
STYLE DESIGNATOR PLAIN FLANGED style nsn 4820-00-439-9759
STYLE DESIGNATOR PLAIN FLANGED style nsn 4820-00-439-9759
STYLE DESIGNATOR PLAIN FLANGED style nsn 4820-00-439-9759
STYLE DESIGNATOR PLAIN FLANGED style nsn 4820-00-439-9759
STYLE DESIGNATOR PLAIN FLANGED style nsn 4820-00-439-9759
STYLE DESIGNATOR PLAIN FLANGED style nsn 4820-00-439-9759
STYLE DESIGNATOR PLAIN FLANGED style nsn 4820-00-439-9759
STYLE DESIGNATOR PLAIN FLANGED style nsn 4820-00-439-9759
STYLE DESIGNATOR PLAIN FLANGED style nsn 4820-00-439-9759
STYLE DESIGNATOR PLAIN FLANGED style nsn 4820-00-439-9759
STYLE DESIGNATOR PLAIN FLANGED style nsn 4820-00-439-9759

Definition Definition of approved item name (AIN): "SEAT,VALVE"

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.

4820-00-439-9759 Material Hazmat, Precious Metals, Criticality, Enviroment, and ESD

HMIC
PMIC
ESD
ENAC
ADPE
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
ADPE:
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 X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

  Identification Codes

HMIC: Hazardous Material Indicator Code. A one position code that identifies a hazardous item.

PMIC: Precious Metal Indicator Code. A one position code which identifies items that have precious metals as part of their content. precious metals are those metals generally considered to be uncommon, highly valuable, and relatively superior in certain properties such as resistance to corrosion and electrical conductivity.

ESD: Electrostatic Discharge. Indicates if an item is susceptible to electrostatic discharge or electromagnetic interference damage. electrostatic discharge damage occurs when an accumulation of static electricity generated by the relative motion or separation of materials is released to another item by direct contact. electromagnetic interference damage occurs when an item comes into proximity with an electrostatic or magnetic field.

ENAC: Enviromental Attribute Code. Identifies items with environmentally preferred characteristics.

CRITL: Criticality Indicator Code. Indicates an item is technically critical by tolerance, fit, application, nuclear hardness properties, or other characteristics.

Material Management Material categorization and source of supply

SOS
SMIC
MMAC
MCC
SOS:
FPZ
SOS:
MMAC:
MCC:
Source of Supply (SOS) FPZ

San antonio air logistics center kelly afb, texas 78241-5000

  Material Codes

SOS: Source of Supply. A three position code or routing identifier code (ric), which identifies the source of supply activity.

SMIC: Special Material Indicator Code. A two position code, which categorizes material on the basis of requirements for source or quality control, technical design or configuration control, procurement, stocking and issue control, special receipt, inspection, testing, storage, or handling.

MMAC: Material Management Aggregation Code. A two position code that identifies an item of supply to be managed by a specific activity manager.

MCC: Material Echelon Code. A two position code employed by the marine corps in classifying items into categories by materiel category and procurement echelon. the alphanumeric management code is in the first position and identifies the materiel category

IMC: Denotes wether items shall be subjected to integrated management under the defense supply agency or retained by the individual military service or other department of defense components for their management. Assigned by th activity responsible for item management coding.