The Valve Assembly, cataloged under National Stock Number 4820-01-049-7566, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Zuricher Beuteltuchfabrik Ag. This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-049-7566 |
| Primary Part Number | 4202-1 |
| Item Name | Valve Assembly |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Zuricher Beuteltuchfabrik Ag |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AV18A1120 | Tat Technologies Ltd Div Tat Israel (ISR) |
| AV18A1120 | Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA) |
| AV18A1120 | Tat Technologies Ltd (ISR) |
| AV18A1120 | Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S (USA) |
| 16VY01002-1 | Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA) |
| 4202-1 PRIMARY | Zuricher Beuteltuchfabrik Ag (CHE) |
NSN 4820-01-049-7566 is a Valve Assembly, manufactured by Zuricher Beuteltuchfabrik Ag, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-049-7566 has 6 cross-referenced part numbers: AV18A1120 (Tat Technologies Ltd Div Tat Israel), AV18A1120 (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc), AV18A1120 (Tat Technologies Ltd), AV18A1120 (Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S), 16VY01002-1 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company) and 1 more.
There are 10 known substitutes for 4820-01-049-7566: 4520-00-308-0584, 6645-00-445-8143, 4710-00-710-9223 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4202-1: Special Features: ASSEMBLY CONTAINS TWO INDEPENDENT CHECK VALVES IN SERIES, ALL REQUIREMENTS APPLY EQUALLY TO EACH VALVE; BURST PRESSURE NORMAL FLOW 125 PSIG AT 550 DEG F DEGF; End Item Identification: F16. 2 total characteristics are documented in the Federal Logistics Information System.