4820-01-178-2939
Valve,Safety Relief
Unit Price
$226.44
per EA
2 parts / 2 mfrs
Naval Air Development Center Warminster Navairsyscom Hq
CAGE 80206Crissair Inc Div Esco Technologies
CAGE 99240| Effective Date | Unit Price | UI | SLC |
|---|---|---|---|
| 01-OCT-2025 | $226.44 | EA | 0 |
| 01-OCT-2025 | $226.44 | EA | 0 |
DEMIL
A
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 |
| ADSY | VALVE DISCHARGE FLOW RATE | 1.0 GALLONS PER MINUTE |
| AEHZ | MAXIMUM OPERATING TEMP | 275.0 FAHRENHEIT SINGLE RESPONSE |
| AHNC | CONNECTION STYLE | FLARELESS (TUBE) ALL ENDS |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE ALL ENDS |
| CMLP | THREAD QUANTITY PER INCH | 18 FIRST END |
| CMLP | THREAD QUANTITY PER INCH | 20 SECOND END |
| CQJX | NOMINAL THREAD SIZE | 0.562 INCHES FIRST END |
| CQJX | NOMINAL THREAD SIZE | 0.438 INCHES SECOND END |
| CQQF | OPERATING PRESSURE | 140.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE |
| CQRB | SEAT ANGLE | 12.0 DEGREES ALL ENDS |
| CSDC | OPENING PRESSURE SETTING | 120.0 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 BODY |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 FLOW CONTROL DEVICE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| MEDA | MEDIA FOR WHICH DESIGNED | OIL, HYDRAULIC SINGLE RESPONSE |
| SFTT | SURFACE TREATMENT | ANODIZE LOCATION NOT OTHERWISE SPECIFIED |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| STYL | STYLE DESIGNATOR | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY. |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS |
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About NSN 4820-01-178-2939
NSN 4820-01-178-2939 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 2 part numbers associated with this NSN from 2 manufacturers.
The current government unit price for NSN 4820-01-178-2939 is $226.44. Price history shows 2 recorded price changes.
To find the part number for NSN 4820-01-178-2939, 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.