The Disk,valve, cataloged under National Stock Number 4820-01-137-8727, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is L3harris Technologies, Inc. Div Space and Airborne Systems. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-137-8727 |
| Primary Part Number | 67140-1 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | L3harris Technologies, Inc. Div Space and Airborne Systems |
| Status | ACTIVE |
| Outside Diameter | 0.875 INCHES NOMINAL IN |
| Shank Diameter | 0.510 INCHES MAXIMUM IN |
| Seat Angle | 60.0 DEGREES NOMINAL |
| Inside Diameter | 0.165 INCHES NOMINAL IN |
| Flange Seat to Disk End Height | 0.750 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Style Designator | POPPET |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 57029 ITEM 071 | L3harris Technologies, Inc. Div Space and Airborne Systems (USA) |
| 57029 ITEM 071 | L3harris Technologies, Inc. (USA) |
| 67140-1 PRIMARY | L3harris Technologies, Inc. Div Space and Airborne Systems (USA) |
| 57029 | L3harris Technologies, Inc. Div Space and Airborne Systems (USA) |
NSN 4820-01-137-8727 is a Disk,valve, manufactured by L3harris Technologies, Inc. Div Space and Airborne Systems, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-137-8727 has 4 cross-referenced part numbers: 57029 ITEM 071 (L3harris Technologies, Inc. Div Space and Airborne Systems), 57029 ITEM 071 (L3harris Technologies, Inc.), 67140-1 (L3harris Technologies, Inc. Div Space and Airborne Systems), 57029 (L3harris Technologies, Inc. Div Space and Airborne Systems).
There are 7 known substitutes for 4820-01-137-8727: 4730-01-136-7718, 4730-01-136-7746, 4730-01-137-8728 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 67140-1: Outside Diameter: 0.875 INCHES NOMINAL IN; Shank Diameter: 0.510 INCHES MAXIMUM IN; Seat Angle: 60.0 DEGREES NOMINAL; Inside Diameter: 0.165 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.