PartsTable TECHNICAL DATA SHEET
NSN 4820-01-417-8452Government record, cited

Piston, Valve4820-01-417-8452

NSN 4820-01-417-8452 · NIIN 014178452 · Part number 526627
Eaton Aerospace, Llc Dba Jackson South · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 62983
Government record, cited
NSN 4820-01-417-8452 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-417-8452. Manufacturer of record part number: 526627.
Also searched as  4820-01-417-8452 · 4820014178452 · NIIN 014178452 · 01-417-8452 · FSC 4820 Valves, Nonpowered · CAGE 62983 · 526627
Nearby stock numbers  ·
Features
  • Piston,valve — FSC 4820
  • Valve Type for Which Designed: PRESSURE REDUCING
  • Valve Model Number for Which Designed: PVH98
  • Valve Design Control Activity: 62983
  • 1 manufacturer part number on file
  • Manufacturer of record: Eaton Aerospace, Llc Dba Jackson South
Identification
  • NSN: 4820-01-417-8452
  • NIIN: 014178452
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 526627
  • Manufacturer: Eaton Aerospace, Llc Dba Jackson South
General Description

The Piston,valve, cataloged under National Stock Number 4820-01-417-8452, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 3 specifications, 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-417-8452
Primary Part Number526627
Item NamePiston,valve
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
Valve Type for Which DesignedPRESSURE REDUCING
Valve Model Number for Which DesignedPVH98
Valve Design Control Activity62983
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
526627 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
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 4820-01-417-8452?

NSN 4820-01-417-8452 is a Piston,valve, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-417-8452?

NSN 4820-01-417-8452 has 1 manufacturer part number on file: 526627 (Eaton Aerospace, Llc Dba Jackson South).

What are the specifications of 526627?

Key specifications for 526627: Valve Type for Which Designed: PRESSURE REDUCING; Valve Model Number for Which Designed: PVH98; Valve Design Control Activity: 62983; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-417-8452 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.
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