The Seat,valve, cataloged under National Stock Number 4820-00-301-4947, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Anderson Greenwood Lp Dba Anderson Greenwood Crosby. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-301-4947 |
| Primary Part Number | A1806 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| Status | ACTIVE |
| Thread Series Designator | UNEF SINGLE THREADED PORTION |
| Material | NICKEL ALLOY OVERALL |
| Style Designator | PLAIN THREADED |
| Thread Length | 0.656 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Body Inside Diameter | 0.750 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN |
| Thread Class | 2A SINGLE THREADED PORTION A |
| Seating Surface Shape | FLAT |
| Nominal Thread Size | 1.000 INCHES SINGLE THREADED PORTION IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A1806 PRIMARY | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| A1806 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| A1806-001-127 PRIMARY | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
NSN 4820-00-301-4947 is a Seat,valve, manufactured by Anderson Greenwood Lp Dba Anderson Greenwood Crosby, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-301-4947 has 3 cross-referenced part numbers: A1806 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), A1806 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A1806-001-127 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
There are 4 known substitutes for 4820-00-301-4947: 3110-00-158-6626, 9540-00-251-2651, 8455-01-528-7729 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for A1806: Thread Series Designator: UNEF SINGLE THREADED PORTION; Material: NICKEL ALLOY OVERALL; Style Designator: PLAIN THREADED; Thread Length: 0.656 INCHES NOMINAL SINGLE THREADED PORTION IN. 9 total characteristics are documented in the Federal Logistics Information System.