The Valve,safety Relief, cataloged under National Stock Number 4820-01-370-5963, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is The Lee Co Dba the Lee Co. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-01-370-5963 |
| Primary Part Number | PRFX0502700AA |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | The Lee Co Dba the Lee Co |
| Status | CANCELLED |
| Style Designator | DROP-IN CARTRIDGE |
| Connection Type | UNTHREADED CARTRIDGE ALL ENDS |
| Opening Pressure Setting | 700.0 POUNDS PER SQUARE INCH LBS |
| Material | STEEL CORROSION RESISTING BODY |
| Valve Operation Method | AUTOMATIC |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| PRFX0502700A | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
| 21107-77 | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
| PRFX0502700AA PRIMARY | The Lee Co Dba the Lee Co (USA) |
| 21820 FN 29 | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
| PRFX0502700A PRIMARY | The Lee Co Dba the Lee Co (USA) |
| 21107 | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
| 20718-001 FIND 20 | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
| 21104-52 | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
NSN 4820-01-370-5963 is a Valve,safety Relief, manufactured by The Lee Co Dba the Lee Co, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-01-370-5963 has 8 cross-referenced part numbers: PRFX0502700A (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21107-77 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), PRFX0502700AA (The Lee Co Dba the Lee Co), 21820 FN 29 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), PRFX0502700A (The Lee Co Dba the Lee Co) and 3 more.
There are 11 known substitutes for 4820-01-370-5963: 3110-00-100-3702, 6240-00-223-9100, 5962-00-276-9932 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for PRFX0502700AA: Style Designator: DROP-IN CARTRIDGE; Connection Type: UNTHREADED CARTRIDGE ALL ENDS; Opening Pressure Setting: 700.0 POUNDS PER SQUARE INCH LBS; Material: STEEL CORROSION RESISTING BODY. 5 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-01-370-5963 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.