The Seat,valve, cataloged under National Stock Number 4820-01-097-9818, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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 | 4820-01-097-9818 |
| Primary Part Number | 5812 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor |
| Status | ACTIVE |
| Seal Accommodation Type | RECESSED |
| Style Designator | PLAIN FLANGED |
| Thread Series Designator | UNF SINGLE THREADED PORTION |
| Material | STEEL OVERALL |
| Body Inside Diameter | 2.178 INCHES NOMINAL IN |
| Nominal Thread Size | 0.438 INCHES SINGLE THREADED PORTION IN |
| Thread Class | 2B SINGLE THREADED PORTION |
| Flange Seat to Disk End Height | 0.028 INCHES NOMINAL IN |
| Seating Surface Shape | FLAT |
| Thread Length | 0.578 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Under Flange Height | 0.284 INCHES NOMINAL IN |
| Body Outside Diameter | 2.610 INCHES NOMINAL IN |
| Flange Diameter | 2.859 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 5812 PRIMARY | Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA) |
NSN 4820-01-097-9818 is a Seat,valve, manufactured by Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-097-9818 has 1 cross-referenced part number: 5812 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor).
There are 12 known substitutes for 4820-01-097-9818: 5640-00-103-2254, 6105-00-107-3315, 6145-00-184-4325 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 5812: Seal Accommodation Type: RECESSED; Style Designator: PLAIN FLANGED; Thread Series Designator: UNF SINGLE THREADED PORTION; Material: STEEL OVERALL. 14 total characteristics are documented in the Federal Logistics Information System.