The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-00-079-4372, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Pneudraulics, Inc.. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-079-4372 |
| Primary Part Number | 1416-1 |
| Item Name | Valve,relief,pressure and Temper |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Pneudraulics, Inc. |
| Status | ACTIVE |
| Bulb Diameter | 1.625 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-225/6, ALLOY 2024, T351 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Bulb Length | 0.989 INCHES NOMINAL IN |
| Material | STEEL COMP 440C FLOW CONTROL DEVICE |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 440C ASSN STD SINGLE MATERIAL RESPONSE OR SAE 51440C ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Flow Control Device | POPPET |
| Face to Face Distance | 5.850 INCHES NOMINAL IN |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 440C ASSN STD SINGLE MATERIAL RESPONSE OR SAE 51440C ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Body Style | STRAIGHT THRU |
| Temp Rating | -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF |
| Media for Which Designed | HYDRAULIC FLUID, PHOSPHATE-ESTER BASE |
| Material | STEEL COMP 440C SEAT |
| Valve Discharge Flow Rate | 36.0 GALLONS PER MINUTE |
| Temp Adjustability | NOT ADJUSTABLE |
| Surface Treatment | PASSIVATE OUTSIDE |
| Material | ALUMINUM ALLOY 2024 BODY |
| End Connection Quantity | 2 |
| FSC Application Data | AIRCRAFT HYDRAULIC VACUUM DEICING SYSTEMS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1416-1 PRIMARY | Pneudraulics, Inc. (USA) |
NSN 4820-00-079-4372 is a Valve,relief,pressure and Temper, manufactured by Pneudraulics, Inc., classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-079-4372 has 1 cross-referenced part number: 1416-1 (Pneudraulics, Inc.).
There are 12 known substitutes for 4820-00-079-4372: 7025-00-104-0066, 2805-00-267-7157, 3460-00-357-0038 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1416-1: Bulb Diameter: 1.625 INCHES NOMINAL IN; Material Document and Classification: QQ-A-225/6, ALLOY 2024, T351 FED SPEC SINGLE MATERIAL RESPONSE BODY; Bulb Length: 0.989 INCHES NOMINAL IN; Material: STEEL COMP 440C FLOW CONTROL DEVICE. 18 total characteristics are documented in the Federal Logistics Information System.