The Disk,valve, cataloged under National Stock Number 4820-00-398-8830, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-398-8830 |
| Primary Part Number | 2921P |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Material | COPPER ALLOY |
| Seat Angle | 45.0 DEGREES NOMINAL |
| Flange Seat to Disk End Height | 2.125 INCHES NOMINAL IN |
| Under Flange Height | 0.609 INCHES NOMINAL IN |
| Shank Diameter | 2.125 INCHES NOMINAL IN |
| Outside Diameter | 2.500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| SL4102PC155 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| 2921P PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 2921P | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| SL4097PC155 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| SL4102PC155 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| SL4102PC155 | Rps-Fl, Inc. Dba Rps Inc (USA) |
| 10618 | Rps-Fl, Inc. Dba Rps Inc (USA) |
| SL4097PC155 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
NSN 4820-00-398-8830 is a Disk,valve, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-398-8830 has 8 cross-referenced part numbers: SL4102PC155 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 2921P (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 2921P (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), SL4097PC155 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), SL4102PC155 (Curtiss-Wright Electro-Mechanical Corporation Div Epd) and 3 more.
There are 11 known substitutes for 4820-00-398-8830: 3020-00-010-2404, 3110-00-142-4358, 5133-00-236-3414 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2921P: Material: COPPER ALLOY; Seat Angle: 45.0 DEGREES NOMINAL; Flange Seat to Disk End Height: 2.125 INCHES NOMINAL IN; Overall Height: 2.953 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.