The Disk,valve, cataloged under National Stock Number 4820-00-098-3522, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-098-3522 |
| Primary Part Number | MS29521-16 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| Status | CANCELLED |
| Media for Which Designed | FUEL, JET |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS29521-16 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 1111-518111 | Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA) |
| 6-1600 | Aerocontrolex Group, Inc. Dba Aero Fluid Products (USA) |
| 14C112-1 | Allen Aircraft Products Inc (USA) |
| 1111-518111 | Parker Hannifin Corporation Div Aerospace Group Headquarters (USA) |
| 1111-536313 | Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA) |
| MIL-DTL-7899 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 1111-536313 | Parker Hannifin Corporation Div Aerospace Group Headquarters (USA) |
| MIL-V-7899 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 4820-00-098-3522 is a Disk,valve, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-098-3522 has 9 cross-referenced part numbers: MS29521-16 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 1111-518111 (Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters), 6-1600 (Aerocontrolex Group, Inc. Dba Aero Fluid Products), 14C112-1 (Allen Aircraft Products Inc), 1111-518111 (Parker Hannifin Corporation Div Aerospace Group Headquarters) and 4 more.
There are 7 known substitutes for 4820-00-098-3522: 4130-00-018-2802, 5306-00-291-1116, 5930-00-851-4196 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS29521-16: Special Features: 1.183 IN. DIA FLAPPER,RUBBER SEAT W/SPRING FOR SWING CHECK VALVE DISK IN; Media for Which Designed: FUEL, JET. 2 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-098-3522 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.