The Seat,valve, cataloged under National Stock Number 4820-01-057-7283, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Moog Military Aircraft Llc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, 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 | 4820-01-057-7283 |
| Primary Part Number | 27209 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Moog Military Aircraft Llc |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF SINGLE THREADED PORTION |
| Body Inside Diameter | 0.375 INCHES NOMINAL IN |
| Seating Surface Shape | FLAT |
| Under Flange Height | 0.208 INCHES NOMINAL IN |
| Criticality Code Justification | FEAT |
| Thread Class | 2B SINGLE THREADED PORTION |
| Nominal Thread Size | 0.312 INCHES SINGLE THREADED PORTION IN |
| Body Outside Diameter | 1.006 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 27209 | Moog Inc (USA) |
| 27209 | E-Systems Inc Montek Div Fluid Controls Opns (USA) |
| 27209 PRIMARY | Moog Military Aircraft Llc (USA) |
| 27209 | Moog Inc Div Moog Inc., Space and Defense - Salt Lake City (USA) |
| 27209 | Mid-America Aerotech, Llc (USA) |
| 24120 | E-Systems Inc Montek Div Fluid Controls Opns (USA) |
NSN 4820-01-057-7283 is a Seat,valve, manufactured by Moog Military Aircraft Llc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-057-7283 has 6 cross-referenced part numbers: 27209 (Moog Inc), 27209 (E-Systems Inc Montek Div Fluid Controls Opns), 27209 (Moog Military Aircraft Llc), 27209 (Moog Inc Div Moog Inc., Space and Defense - Salt Lake City), 27209 (Mid-America Aerotech, Llc) and 1 more.
There are 12 known substitutes for 4820-01-057-7283: 5133-00-189-9278, 4520-00-350-9184, 5330-00-480-2142 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 27209: Material: STEEL OVERALL; Thread Series Designator: UNF SINGLE THREADED PORTION; Body Inside Diameter: 0.375 INCHES NOMINAL IN; Seating Surface Shape: FLAT. 11 total characteristics are documented in the Federal Logistics Information System.