The Disk,valve, cataloged under National Stock Number 4820-01-011-9394, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Drs Environmental Systems Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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 | 4820-01-011-9394 |
| Primary Part Number | 920-73 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Drs Environmental Systems Inc |
| Status | ACTIVE |
| Seat Angle | 90.0 DEGREES NOMINAL |
| Style Designator | POPPET |
| Flange Seat to Disk End Height | 1.075 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY AND PLASTIC |
| Shank Diameter | 0.154 INCHES NOMINAL IN |
| Outside Diameter | 0.310 INCHES NOMINAL IN |
| Under Flange Height | 0.015 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 920-73 | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA) |
| 920-73 | Davey Compressor Co Div of Keco Industries Inc (USA) |
| 920-73 PRIMARY | Drs Environmental Systems Inc (USA) |
| 920-73 | Tescom Corp Dba Tescom Div Tescom (USA) |
| 4820PL0633745 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
NSN 4820-01-011-9394 is a Disk,valve, manufactured by Drs Environmental Systems Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-011-9394 has 5 cross-referenced part numbers: 920-73 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 920-73 (Davey Compressor Co Div of Keco Industries Inc), 920-73 (Drs Environmental Systems Inc), 920-73 (Tescom Corp Dba Tescom Div Tescom), 4820PL0633745 (Jednolity Indeks Materialowy - Uniform Material Index).
There are 3 known substitutes for 4820-01-011-9394: 5995-00-849-5950, 5975-00-950-5901, 4720-01-053-0310. Verify interchangeability with system specifications before substitution.
Key specifications for 920-73: Seat Angle: 90.0 DEGREES NOMINAL; Overall Height: 1.242 INCHES NOMINAL IN; Style Designator: POPPET; Flange Seat to Disk End Height: 1.075 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.