The Disk,valve, cataloged under National Stock Number 4820-01-153-8458, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-153-8458 |
| Primary Part Number | BS8714 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Shoulder Height | 0.125 INCHES NOMINAL IN |
| Style Designator | PLUG |
| Thread Series Designator | UNF |
| Seat Angle | 0.062 DEGREES NOMINAL |
| Shoulder Width | 0.125 INCHES NOMINAL IN |
| Nominal Thread Size | 0.625 INCHES IN |
| Material | STEEL CORROSION RESISTING |
| Thread Class | 3A A |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| SS845-1889573 | Naval Ship Systems Command (USA) |
| 2620-924X1 PC3A 1-2IN | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 8714 | Walworth-Aloyco (USA) |
| BS8714 PRIMARY | Hunt Valve Company, Inc. (USA) |
| SS845-1889573 PC3A1-2IN | Walworth-Aloyco (USA) |
| 2620-924X1 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| SS845-1889573 PC3A 1-2IN | Naval Ship Systems Command (USA) |
NSN 4820-01-153-8458 is a Disk,valve, manufactured by Hunt Valve Company, Inc., classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-153-8458 has 7 cross-referenced part numbers: SS845-1889573 (Naval Ship Systems Command), 2620-924X1 PC3A 1-2IN (Electric Boat Corporation Div General Dynamics Electric Boat), 8714 (Walworth-Aloyco), BS8714 (Hunt Valve Company, Inc.), SS845-1889573 PC3A1-2IN (Walworth-Aloyco) and 2 more.
There are 12 known substitutes for 4820-01-153-8458: 6145-00-060-9517, 9540-00-148-4378, 5330-00-178-6869 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for BS8714: Shoulder Height: 0.125 INCHES NOMINAL IN; Style Designator: PLUG; Thread Series Designator: UNF; Seat Angle: 0.062 DEGREES NOMINAL. 9 total characteristics are documented in the Federal Logistics Information System.