The Valve,safety Relief, cataloged under National Stock Number 4820-00-980-7721, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mission Systems Orchard Park Inc. This item has 11 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 — No Item Name Available (FSG 48) |
| Manufacturers | Mission Systems Orchard Park Inc (CAGE 04577); Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force (CAGE 98748); Essex Industries Inc Div Manufacturing Division (CAGE 83533); Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M (CAGE 81349); Essex Industries, Inc. Dba Essex Industries (CAGE 19062) |
| Parameter | Value |
|---|---|
| NSN | 4820-00-980-7721 |
| Primary Part Number | 21247-1 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Mission Systems Orchard Park Inc |
| Status | CANCELLED |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 21247-1 | Mission Systems Orchard Park Inc (USA) |
| 8148650 | Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force (USA) |
| 20C0050-2 | Essex Industries Inc Div Manufacturing Division (USA) |
| MILV9050TYPE2 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-V-9050 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M9050-2 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 20C-0050-2 | 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 |
| 10525-2 | American Safety Flight Systems Inc (USA) |
| 21247-1 | Ingersoll-Rand Company Dba Ingersoll-Rand (USA) |
| FR5A1-110 | Mission Systems Davenport Inc. (USA) |
NSN 4820-00-980-7721 is a Valve,safety Relief, manufactured by Mission Systems Orchard Park Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-980-7721 has 11 cross-referenced part numbers: 21247-1 (Mission Systems Orchard Park Inc), 8148650 (Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force), 20C0050-2 (Essex Industries Inc Div Manufacturing Division), MILV9050TYPE2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-V-9050 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 6 more.
There are 9 known substitutes for 4820-00-980-7721: 4820-00-019-9611, 4820-00-019-9612, 5945-00-165-3768 and 6 more. Verify interchangeability with system specifications before substitution.
NSN 4820-00-980-7721 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.