4820-00-138-3920
Valve,Safety Relief
Unit Price
$295.33
per EA
3 parts / 2 mfrs
Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems
CAGE 77646Circor Aerospace, Inc. Dba Circor Aerospace Inc
CAGE 91816| Effective Date | Unit Price | UI | SLC |
|---|---|---|---|
| 01-OCT-2025 | $295.33 | EA | 0 |
| 01-OCT-2025 | $295.33 | EA | 0 |
DEMIL
A
HMIC
N
PMIC
U
ESD/EMI
| MRC | Requirement | Reply |
|---|---|---|
| AAJD | THREAD CLASS | 3A FIRST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND FIRST END |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSU | DISK LOADING METHOD | SPRING |
| AEHZ | MAXIMUM OPERATING TEMP | 250.0 FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | PLAIN (TUBE) FIRST END |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| CMLP | THREAD QUANTITY PER INCH | 20 FIRST END |
| CQJX | NOMINAL THREAD SIZE | 0.437 INCHES FIRST END |
| CQQF | OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE |
| CSDC | OPENING PRESSURE SETTING | 5.0 POUNDS PER SQUARE INCH |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.250 INCHES FIRST END |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 SEAT |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 BODY |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,ALLOY2024,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,ALLOY2024,T4 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,ALLOY2024,T4 FED SPEC 1ST MATERIAL RESPONSE FLOW CONTROL DEVICE |
| MEDA | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE |
| SFTT | SURFACE TREATMENT | ANODIZE LOCATION NOT OTHERWISE SPECIFIED |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
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About NSN 4820-00-138-3920
NSN 4820-00-138-3920 is a National Stock Number assigned to Valve,Safety Relief. 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 2 manufacturers.
The current government unit price for NSN 4820-00-138-3920 is $295.33. Price history shows 2 recorded price changes.
To find the part number for NSN 4820-00-138-3920, 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.