4820-01-171-4391
Valve,Check
Unit Price
$199.80
per EA
4 parts / 2 mfrs
The Boeing Company Div Defense
CAGE 76301Crissair Inc Div Esco Technologies
CAGE 99240| Effective Date | Unit Price | UI | SLC |
|---|---|---|---|
| 01-OCT-2025 | $199.80 | EA | 0 |
| 01-OCT-2025 | $199.80 | EA | 0 |
DEMIL
B
HMIC
N
PMIC
A
ESD/EMI
| MRC | Requirement | Reply |
|---|---|---|
| AAJD | THREAD CLASS | 3A ALL ENDS |
| AAJF | THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSU | DISK LOADING METHOD | SPRING |
| AHNC | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| AHNC | CONNECTION STYLE | PLAIN (TUBE) FIRST END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL BOSS SECOND END |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE FIRST END |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| CMLP | THREAD QUANTITY PER INCH | 20 SECOND END |
| CQJX | NOMINAL THREAD SIZE | 0.563 INCHES SECOND END |
| CQJX | NOMINAL THREAD SIZE | 0.438 INCHES FIRST END |
| CQQF | OPERATING PRESSURE | 450.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE |
| CQQF | OPERATING PRESSURE | -65.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE |
| CQRB | SEAT ANGLE | 45.0 DEGREES FIRST END |
| MATT | MATERIAL | STEEL FLOW CONTROL DEVICE |
| MATT | MATERIAL | STEEL CORROSION RESISTING BODY |
| MEDA | MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| THSD | THREAD SERIES DESIGNATOR | UNJS SECOND END |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
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About NSN 4820-01-171-4391
NSN 4820-01-171-4391 is a National Stock Number assigned to Valve,Check. This NSN part number belongs to Federal Supply Class 4820 (VALVES, NONPOWERED) under Federal Supply Group 48 (VALVES). There are 4 part numbers associated with this NSN from 2 manufacturers.
The current government unit price for NSN 4820-01-171-4391 is $199.80. Price history shows 2 recorded price changes.
To find the part number for NSN 4820-01-171-4391, refer to the part number cross-reference table above. Each part number is linked to its manufacturer through a CAGE (Commercial and Government Entity) code.