4820-00-438-0631
Valve,Check
Unit Price
$93.24
per EA
3 parts / 3 mfrs
| Part Number | CAGE | Manufacturer | RNCC | RNVC |
|---|---|---|---|---|
| A51H9065-1 | 26512 | Northrop Grumman Systems Corporation | 5 | 9 |
| A51H9065-1 | 61174 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems | 1 | 2 |
| 4C2240-1 | 99240 | Crissair Inc Div Esco Technologies | 3 | 2 |
Northrop Grumman Systems Corporation
CAGE 26512Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems
CAGE 61174Crissair Inc Div Esco Technologies
CAGE 99240| Effective Date | Unit Price | UI | SLC |
|---|---|---|---|
| 01-OCT-2025 | $93.24 | EA | 0 |
| 01-OCT-2025 | $93.24 | EA | 0 |
DEMIL
A
HMIC
N
PMIC
A
ESD/EMI
| MRC | Requirement | Reply |
|---|---|---|
| AAJD | THREAD CLASS | 3A FIRST END3A FIRST END |
| AAJD | THREAD CLASS | 3A SECOND END3A SECOND END |
| AAJF | THREAD DIRECTION | RIGHT-HAND SECOND ENDRIGHT-HAND SECOND END |
| AAJF | THREAD DIRECTION | RIGHT-HAND FIRST ENDRIGHT-HAND FIRST END |
| ADQU | FLOW CONTROL DEVICE | POPPETPOPPET |
| ADSU | DISK LOADING METHOD | SPRINGSPRING |
| AEHZ | MAXIMUM OPERATING TEMP | 275.0 FAHRENHEIT SINGLE RESPONSE275.0 FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | FLARELESS FIRST ENDFLARELESS FIRST END |
| AHNC | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND ENDEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| AQLR | VALVE OPERATION METHOD | AUTOMATICAUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL BOSS SECOND ENDTHREADED EXTERNAL BOSS SECOND END |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE FIRST ENDTHREADED EXTERNAL TUBE FIRST END |
| BBJX | MOUNTING POSITION | HORIZONTAL OR HORIZONTAL OR VERTICALVERTICAL |
| CMLP | THREAD QUANTITY PER INCH | 20 FIRST END20 FIRST END |
| CMLP | THREAD QUANTITY PER INCH | 20 SECOND END20 SECOND END |
| CQJX | NOMINAL THREAD SIZE | 0.312 INCHES SECOND END0.312 INCHES SECOND END |
| CQJX | NOMINAL THREAD SIZE | 0.437 INCHES FIRST END0.437 INCHES FIRST END |
| CQQF | OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE |
| CQRB | SEAT ANGLE | 12.0 DEGREES FIRST END |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.125 INCHES SECOND END0.250 INCHES FIRST END |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.125 INCHES SECOND END |
| MATT | MATERIAL | STEEL COMP 440C FLOW CONTROL DEVICESTEEL COMP 630 SEAT |
| MATT | MATERIAL | STEEL COMP 440C FLOW CONTROL DEVICE |
| MATT | MATERIAL | STEEL COMP 630 SEATSTEEL COMP 630 BODY |
| MEDA | MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, SILICATE-ESTER BASE SINGLE RESPONSE |
| SFTT | SURFACE TREATMENT | PASSIVATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT (UNJ) SECOND END |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT (UNJ) SECOND ENDUNF FIRST END |
Need full procurement data, packaging, and standardization info?
View Complete NSN Data on NSN LookupQuick Reference
About NSN 4820-00-438-0631
NSN 4820-00-438-0631 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 3 part numbers associated with this NSN from 3 manufacturers.
The current government unit price for NSN 4820-00-438-0631 is $93.24. Price history shows 2 recorded price changes.
To find the part number for NSN 4820-00-438-0631, 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.