The Seat,valve, cataloged under National Stock Number 4820-01-287-4876, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Aerospace Llc Dba Eaton Aerospace Jackson. 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-287-4876 |
| Primary Part Number | 32498 OXYGEN CLEANED |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Eaton Aerospace Llc Dba Eaton Aerospace Jackson |
| Status | ACTIVE |
| Flange Diameter | 1.250 INCHES NOMINAL IN |
| Seating Surface Shape | FLAT |
| Material | PLASTIC POLYAMIDE NYLON OVERALL |
| Style Designator | PLAIN FLANGED |
| Body Outside Diameter | 1.239 INCHES NOMINAL IN |
| Under Flange Height | 0.250 INCHES NOMINAL IN |
| Flange Seat to Disk End Height | 0.125 INCHES NOMINAL IN |
| Body Inside Diameter | 0.750 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 32498 | Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA) |
| 32498CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 32498 OXYGEN CLEANED PRIMARY | Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA) |
NSN 4820-01-287-4876 is a Seat,valve, manufactured by Eaton Aerospace Llc Dba Eaton Aerospace Jackson, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-287-4876 has 3 cross-referenced part numbers: 32498 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson), 32498CP (Naval Inventory Control Point Mechanicsburg), 32498 OXYGEN CLEANED (Eaton Aerospace Llc Dba Eaton Aerospace Jackson).
There are 5 known substitutes for 4820-01-287-4876: 5940-00-050-6215, 6340-00-604-0324, 5950-00-645-4759 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 32498 OXYGEN CLEANED: Flange Diameter: 1.250 INCHES NOMINAL IN; Seating Surface Shape: FLAT; Special Features: CLEANED IN ACCORDANCE WITH MIL-STD-1330; Material: PLASTIC POLYAMIDE NYLON OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.