The Valve,safety Relief, cataloged under National Stock Number 4820-01-199-3065, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Aerospace Llc Div Fluid and Electrical Distribution Division. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-199-3065 |
| Primary Part Number | M1601 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Eaton Aerospace Llc Div Fluid and Electrical Distribution Division |
| Status | ACTIVE |
| Thread Series Designator | UNF ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Connection Type | THREADED EXTERNAL BOSS ALL ENDS |
| Material | ALUMINUM ALLOY BODY |
| Adjustable Pressure Range | +1.0 TO 2.5 POUNDS PER SQUARE INCH LBS |
| Flow Control Device | POPPET |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Thread Class | 2A ALL ENDS A |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-199-3065 is a Valve,safety Relief, manufactured by Eaton Aerospace Llc Div Fluid and Electrical Distribution Division, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-199-3065 has 3 cross-referenced part numbers: M1601 (Eaton Aerospace Llc Div Fluid and Electrical Distribution Division), 0121C0022 (Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems), 0121C0022 (Lockheed Martin Corporation Div Rms).
There is 1 known substitute for 4820-01-199-3065: 5910-00-578-1368. Verify interchangeability with system specifications before substitution.
Key specifications for M1601: Thread Series Designator: UNF ALL ENDS; Valve Operation Method: AUTOMATIC; Nominal Thread Size: 0.750 INCHES ALL ENDS IN; Connection Type: THREADED EXTERNAL BOSS ALL ENDS. 12 total characteristics are documented in the Federal Logistics Information System.