The Seat,valve, cataloged under National Stock Number 4820-01-011-2807, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Circor Aerospace, Inc. Dba Circor Aerospace Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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 | 4820-01-011-2807 |
| Primary Part Number | 18258 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Circor Aerospace, Inc. Dba Circor Aerospace Inc |
| Status | ACTIVE |
| Seat Angle in Deg | 37.500 NOMINAL |
| Style Designator | PLAIN |
| Material | COPPER ALLOY BODY |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAT |
| Seating Surface Shape | ANGULAR |
| Body Outside Diameter | 2.300 INCHES NOMINAL IN |
| Body Inside Diameter | 1.500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 18256PIECE3 | Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA) |
| 18258 PRIMARY | Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA) |
NSN 4820-01-011-2807 is a Seat,valve, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-011-2807 has 2 cross-referenced part numbers: 18256PIECE3 (Circor Aerospace, Inc. Dba Circor Aerospace Inc), 18258 (Circor Aerospace, Inc. Dba Circor Aerospace Inc).
There are 5 known substitutes for 4820-01-011-2807: 2815-00-273-0585, 4730-00-433-2574, 5930-00-700-3364 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 18258: Seat Angle in Deg: 37.500 NOMINAL; Style Designator: PLAIN; Material: COPPER ALLOY BODY; Material: PLASTIC POLYTETRAFLUOROETHYLENE SEAT. 8 total characteristics are documented in the Federal Logistics Information System.