The Seat,valve, cataloged under National Stock Number 4820-01-031-1645, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Marotta Controls Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-031-1645 |
| Primary Part Number | 188479-0081 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Marotta Controls Inc |
| Status | ACTIVE |
| Seating Surface Shape | FLAT |
| Style Designator | PLAIN |
| Material | PLASTIC POLYAMIDE NYLON OVERALL |
| Body Inside Diameter | 0.432 INCHES NOMINAL IN |
| Body Outside Diameter | 0.521 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 280038ITEM18 | Marotta Controls Inc (USA) |
| 280038 | Marotta Controls Inc (USA) |
| 188479-0081 PRIMARY | Marotta Controls Inc (USA) |
NSN 4820-01-031-1645 is a Seat,valve, manufactured by Marotta Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-031-1645 has 3 cross-referenced part numbers: 280038ITEM18 (Marotta Controls Inc), 280038 (Marotta Controls Inc), 188479-0081 (Marotta Controls Inc).
There are 6 known substitutes for 4820-01-031-1645: 4820-01-030-5231, 4820-01-051-1944, 6625-01-101-1003 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 188479-0081: Overall Height: 0.077 INCHES NOMINAL IN; Seating Surface Shape: FLAT; Style Designator: PLAIN; Material: PLASTIC POLYAMIDE NYLON OVERALL. 7 total characteristics are documented in the Federal Logistics Information System.