The Seat,valve, cataloged under National Stock Number 4820-00-420-6845, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 2 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 | 4820-00-420-6845 |
| Primary Part Number | 708290-00 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Nominal Thread Size | 4.125 INCHES SINGLE THREADED PORTION IN |
| Thread Length | 0.875 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Body Inside Diameter | 0.562 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Style Designator | PLAIN THREADED |
| Thread Series Designator | UN SINGLE THREADED PORTION |
| Seating Surface Shape | FLAT |
| Thread Quantity Per Inch | 12 SINGLE THREADED PORTION |
| Thread Class | 2A SINGLE THREADED PORTION A |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| CD1677 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| 1677 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| 5568P | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| 708290-00 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| 1677 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 708290-00 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| CD1677 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
NSN 4820-00-420-6845 is a Seat,valve, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-420-6845 has 7 cross-referenced part numbers: CD1677 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 1677 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 5568P (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 708290-00 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 1677 (Curtiss-Wright Electro-Mechanical Corporation Div Epd) and 2 more.
There are 12 known substitutes for 4820-00-420-6845: 5330-00-056-8427, 3750-00-299-0441, 6350-00-422-1784 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 708290-00: Nominal Thread Size: 4.125 INCHES SINGLE THREADED PORTION IN; Thread Length: 0.875 INCHES NOMINAL SINGLE THREADED PORTION IN; Body Inside Diameter: 0.562 INCHES NOMINAL IN; Material: COPPER ALLOY OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.