The Disk,valve, cataloged under National Stock Number 4820-01-139-4152, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is American Turbo Systems Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-139-4152 |
| Primary Part Number | 100884 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | American Turbo Systems Inc |
| Status | ACTIVE |
| Shank Diameter | 0.244 INCHES MINIMUM AND 0.246 INCHES MAXIMUM IN |
| Tip Diameter | 0.244 INCHES MINIMUM AND 0.246 INCHES MAXIMUM IN |
| Seat Angle | 45.0 DEGREES NOMINAL |
| Style Designator | POPPET |
| Material | PLASTIC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-139-4152 is a Disk,valve, manufactured by American Turbo Systems Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-139-4152 has 2 cross-referenced part numbers: 100884 (American Turbo Systems Inc), 100884 (Walker Power Systems, Inc. Dba Tiernay Turbines).
There are 6 known substitutes for 4820-01-139-4152: 5340-00-043-3257, 5305-01-106-6319, 5950-01-122-7269 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 100884: Shank Diameter: 0.244 INCHES MINIMUM AND 0.246 INCHES MAXIMUM IN; Overall Height: 0.362 INCHES MINIMUM AND 0.372 INCHES MAXIMUM IN; Tip Diameter: 0.244 INCHES MINIMUM AND 0.246 INCHES MAXIMUM IN; Seat Angle: 45.0 DEGREES NOMINAL. 7 total characteristics are documented in the Federal Logistics Information System.