The Seat,valve, cataloged under National Stock Number 4820-00-383-5486, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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 | 4820-00-383-5486 |
| Primary Part Number | 85479 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Seating Surface Shape | FLAT |
| Thread Class | 2A SINGLE THREADED PORTION A |
| Thread Length | 0.308 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Thread Series Designator | UNEF SINGLE THREADED PORTION |
| Style Designator | PLAIN THREADED |
| Nominal Thread Size | 1.125 INCHES SINGLE THREADED PORTION IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-383-5486 is a Seat,valve, manufactured by Ashcroft Inc Dba Heise, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-383-5486 has 2 cross-referenced part numbers: 0085479 (Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse), 85479 (Ashcroft Inc Dba Heise).
There are 4 known substitutes for 4820-00-383-5486: 5310-00-125-9924, 4920-00-212-8664, 5365-00-264-1977 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 85479: Seating Surface Shape: FLAT; Thread Class: 2A SINGLE THREADED PORTION A; Thread Length: 0.308 INCHES NOMINAL SINGLE THREADED PORTION IN; Overall Height: 0.812 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.