4820-99-759-9457

Valve Seat

4820997599457 997599457 Y1621/1/A3 ITEM 2 Y1621/1/A3

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. View more Valve Seat

4820-99-759-9457 SEAT,VALVE 4820997599457 997599457

Managed by United Kingdom
NSN Created on 25 Apr 1991
Data Last Changed
January 2023
NATO Update Count
1
NATO Data Quality
4820-99-759-9457 SEAT,VALVE 4820997599457 997599457 1/1
NSN 4820-99-759-9457 (Generic Image) 1/1

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4820-99-759-9457 Valve Seat 4820997599457 997599457
Y1621/1/A3 ITEM 2 Y1621/1/A3 A replaceable item designed to provide a stationary seating surface for
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ITEM 2 Y1621/1/A3 A replaceable item designed to provide a stationary seating surface for a mating
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4820-99-759-9367 Fluid Valve Stem 4820997599367 997599367
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ITEM 4 Y1621/1/A3 An item usually metallic, threaded or unthreaded, used for securing to or positioning
Y1621/1/A3 ITEM 7 Y1621/1/A3/7 A deformable material which prevents the passage of matter through
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4820-99-773-9801 Handwheel 4820997739801 997739801
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ITEM 14 Y1288/1/A2 Y1288/1/A2/14 Y1621/1/A3 Y1621/1/A3/14 Y1288/1/A2 ITEM 14 Managed by United Kingdom
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4820-99-773-9797 Valve Disk 4820997739797 997739797
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ITEM 3 Y1288/1/A2 Y1288/1/A2 ITEM 3 Y1288/1/A2/3 Y1621/1/A3 Y1621/1/A3/3 An item of various shapes
Valve Seat 4820997599457 997599457 ITEM 4 Y1621/1/A3Y1621/1/A3/4 Y1288/1/A2Y1288/1/A2 ITEM 4 Y1288

4820-99-759-9457 Demil Restrictions 4820-99-759-9457

DEMIL: | DEMILI: | CRITICALITY: | HMIC: | PMIC: | EDC: | ADPEC:

4820-99-759-9457 is a Valve Seat

4820-99-759-9457 Manufacturers Approved Sources 4820-99-759-9457

Part Number
Manufacturer
Status
Y1621/1/A3 ITEM 2
K7735 - Young & Cunningham (Glasgow) Ltd (Replaced)
Incomplete Reference
RNCC 3 RNVC 1 DAC 2
Y1621/1/A3
K7735 - Young & Cunningham (Glasgow) Ltd (Replaced)
Incomplete Secondary Reference
RNCC 5 RNVC 1 DAC 2

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