The Disk,valve, cataloged under National Stock Number 4820-01-159-2994, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Crane Co Div Valve Div. 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 | 4820-01-159-2994 |
| Primary Part Number | 29851 PIECE 5 1-2IN |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Crane Co Div Valve Div |
| Status | ACTIVE |
| Style Designator | PLUG |
| Thread Series Designator | UNF |
| Seat Radius | 0.290 INCHES NOMINAL IN |
| Outside Diameter | 0.641 INCHES NOMINAL IN |
| Nominal Thread Size | 0.750 INCHES IN |
| Material | STEEL |
| Thread Class | 3A A |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 29851 PIECE 5 1-2IN PRIMARY | Crane Co Div Valve Div (USA) |
| 3294787 PIECE 5 1-2IN PRIMARY | Naval Ship Systems Command (USA) |
| 3294787 | Naval Ship Systems Command (USA) |
| 29851 | Crane Co Div Valve Div (USA) |
NSN 4820-01-159-2994 is a Disk,valve, manufactured by Crane Co Div Valve Div, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-159-2994 has 4 cross-referenced part numbers: 29851 PIECE 5 1-2IN (Crane Co Div Valve Div), 3294787 PIECE 5 1-2IN (Naval Ship Systems Command), 3294787 (Naval Ship Systems Command), 29851 (Crane Co Div Valve Div).
There are 7 known substitutes for 4820-01-159-2994: 4730-00-512-0037, 4820-00-532-7969, 4820-01-158-9387 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 29851 PIECE 5 1-2IN: Style Designator: PLUG; Thread Series Designator: UNF; Overall Height: 0.844 INCHES NOMINAL IN; Seat Radius: 0.290 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.