NSN 4820-01-171-2520 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-171-2520. Manufacturer of record part number: 2662147.
Also searched as4820-01-171-2520 ·
4820011712520 ·
NIIN 011712520 ·
01-171-2520 ·
FSC 4820 Valves, Nonpowered · CAGE 3H889 · 2662147
Nearby stock numbers← 4820-01-171-2382 Valve, Regulating, System Pressure
·
4820-01-171-2829 Diaphragm, Actuator Valve, Special →
4820-01-171-2520 — Valves, Nonpowered
Features
Poppet and Seat Assembly — FSC 4820
General Characteristics Item Description: CONSISTS OF POPPET 2662147-2,SEAT 2662147-1
1 manufacturer part number on file
Manufacturer of record: Parker-Hannifin Corporation Dba Pneutronics
The Poppet and Seat Assembly, cataloged under National Stock Number 4820-01-171-2520, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-01-171-2520?
NSN 4820-01-171-2520 is a Poppet and Seat Assembly, manufactured by Parker-Hannifin Corporation Dba Pneutronics, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-171-2520?
NSN 4820-01-171-2520 has 1 manufacturer part number on file: 2662147 (Parker-Hannifin Corporation Dba Pneutronics).
What are the specifications of 2662147?
Key specifications for 2662147: General Characteristics Item Description: CONSISTS OF POPPET 2662147-2,SEAT 2662147-1; End Item Identification: 4820-00-103-3517. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-171-2520 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.