The Valve,safety Relief, cataloged under National Stock Number 4820-00-933-1042, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-933-1042 |
| Primary Part Number | J50M21 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division |
| Status | ACTIVE |
| Style Designator | ANGLE |
| Flow Control Device | BALL |
| Thread Series Designator | NPT ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Material | STEEL OVERALL |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 130167H1 | Komatsu American Intl Co (USA) |
| 380-130167-1 | Komatsu American Intl Co (USA) |
| 130167 H1 | Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA) |
| J50M21 | Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division (USA) |
| 380-130167-1 | Komatsu America Corp. (USA) |
| 130167 | Komatsu American Intl Co (USA) |
| J50M21 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
NSN 4820-00-933-1042 is a Valve,safety Relief, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-933-1042 has 7 cross-referenced part numbers: 130167H1 (Komatsu American Intl Co), 380-130167-1 (Komatsu American Intl Co), 130167 H1 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), J50M21 (Parker Hannifin Corporation Dba Gresen Hydraulics Div Hydraulic Valve Division), 380-130167-1 (Komatsu America Corp.) and 2 more.
There are 3 known substitutes for 4820-00-933-1042: 2520-00-358-9670, 5330-00-599-1285, 5305-01-078-6167. Verify interchangeability with system specifications before substitution.
Key specifications for J50M21: Style Designator: ANGLE; Flow Control Device: BALL; Thread Series Designator: NPT ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS. 9 total characteristics are documented in the Federal Logistics Information System.