The Valve,bleeder,hydraulic System, cataloged under National Stock Number 4820-01-322-7580, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-322-7580 |
| Primary Part Number | M81940/1-2 |
| Item Name | Valve,bleeder,hydraulic System |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Thread Class | 3A ALL ENDS A |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Flow Control Device | POPPET |
| Nondefinitive Spec/std Data | -81940/1-2 NUMBER |
| Connection Style | FLARELESS (TUBE) ALL ENDS |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Seat Angle | 24.0 DEGREES ALL ENDS |
| Thread Series Designator | UNF ALL ENDS |
| Furnished Items and Quantity | 1 CHAIN AND 1 CAP |
| Valve Operation Method | MANUAL |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Specification/standard Data | 81349-MIL-V-81940/1A GOVERNMENT SPECIFICATION A |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Style Designator | ANGLE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| M81940/1-2 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 6532C309 | Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA) |
| MIL-DTL-81940/1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-V-81940 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-V-81940/1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 4820-01-322-7580 is a Valve,bleeder,hydraulic System, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-322-7580 has 5 cross-referenced part numbers: M81940/1-2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 6532C309 (Naval Air Warfare Center Aircraft Division Joint Base Jbmdl), MIL-DTL-81940/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-V-81940 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-V-81940/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 4 known substitutes for 4820-01-322-7580: 4820-01-087-2221, 4820-01-104-5169, 4820-01-298-8416 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for M81940/1-2: Thread Class: 3A ALL ENDS A; Nominal Thread Size: 0.250 INCHES ALL ENDS IN; Flow Control Device: POPPET; Nondefinitive Spec/std Data: -81940/1-2 NUMBER. 15 total characteristics are documented in the Federal Logistics Information System.