The Seat,valve, cataloged under National Stock Number 4820-00-898-2861, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 8 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-898-2861 |
| Primary Part Number | 354077 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| Seating Surface Shape | FLAT |
| Flange Diameter | 0.488 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN |
| Flange Seat to Disk End Height | 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN |
| Under Flange Height | 0.035 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.377 INCHES MINIMUM AND 0.383 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Body Inside Diameter | 0.347 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN |
| Style Designator | PLAIN FLANGED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-898-2861 is a Seat,valve, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-898-2861 has 2 cross-referenced part numbers: 354077 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix), 354077 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
There is 1 known substitute for 4820-00-898-2861: 4720-01-300-2993. Verify interchangeability with system specifications before substitution.
Key specifications for 354077: Seating Surface Shape: FLAT; Flange Diameter: 0.488 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN; Flange Seat to Disk End Height: 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN; Under Flange Height: 0.035 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN. 8 total characteristics are documented in the Federal Logistics Information System.