The Valve,safety Relief, cataloged under National Stock Number 4820-00-868-6584, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Essex Industries, Inc. Dba Essex Industries. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-868-6584 |
| Primary Part Number | 20C-0005-30 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Essex Industries, Inc. Dba Essex Industries |
| Status | CANCELLED |
| Thread Quantity Per Inch | 27 FIRST END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.125 INCHES SECOND END IN |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Nominal Thread Size | 0.125 INCHES FIRST END IN |
| Connection Type | THREADED INTERNAL BOSS FIRST END |
| Thread Series Designator | ANPT FIRST END |
| Thread Quantity Per Inch | 27 SECOND END |
| Thread Direction | RIGHT-HAND SECOND END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Style Designator | ANGLE |
| Thread Series Designator | ANPT SECOND END |
| Valve Discharge Flow Rate | 100.0 LITERS PER MINUTE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20C-0005-30 | Essex Industries, Inc. Dba Essex Industries (USA) |
| MIL-PRF-9050 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 21244 | Ingersoll-Rand Company Dba Ingersoll-Rand (USA) |
| 8148650 | Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force (USA) |
| 20C-0050-3 | Essex Industries, Inc. Dba Essex Industries (USA) |
| MIL-V-9050 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 21244 | Mission Systems Orchard Park Inc (USA) |
| M9050-3 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 4820-00-868-6584 is a Valve,safety Relief, manufactured by Essex Industries, Inc. Dba Essex Industries, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-868-6584 has 8 cross-referenced part numbers: 20C-0005-30 (Essex Industries, Inc. Dba Essex Industries), MIL-PRF-9050 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 21244 (Ingersoll-Rand Company Dba Ingersoll-Rand), 8148650 (Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force), 20C-0050-3 (Essex Industries, Inc. Dba Essex Industries) and 3 more.
There are 12 known substitutes for 4820-00-868-6584: 4820-00-019-9611, 4820-00-019-9612, 5961-00-224-4868 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20C-0005-30: Thread Quantity Per Inch: 27 FIRST END; Thread Direction: RIGHT-HAND FIRST END; Nominal Thread Size: 0.125 INCHES SECOND END IN; Connection Type: THREADED EXTERNAL BOSS SECOND END. 13 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-868-6584 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.