PartsTable TECHNICAL DATA SHEET
NSN 4820-01-150-5249Government record, cited

Piston, Valve4820-01-150-5249

NSN 4820-01-150-5249 · NIIN 011505249 · Part number 2528125
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 10001
Government record, cited
NSN 4820-01-150-5249 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-150-5249. Manufacturer of record part number: 2528125.
Also searched as  4820-01-150-5249 · 4820011505249 · NIIN 011505249 · 01-150-5249 · FSC 4820 Valves, Nonpowered · CAGE 10001 · 2528125
Nearby stock numbers  ·
Features
  • Piston,valve — FSC 4820
  • Material: NICKEL ALLOY
  • 1 manufacturer part number on file
  • Manufacturer of record: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Identification
  • NSN: 4820-01-150-5249
  • NIIN: 011505249
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 2528125
  • Manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
General Description

The Piston,valve, cataloged under National Stock Number 4820-01-150-5249, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-150-5249
Primary Part Number2528125
Item NamePiston,valve
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
MaterialNICKEL ALLOY
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
2528125 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (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 4820-01-150-5249?

NSN 4820-01-150-5249 is a Piston,valve, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-150-5249?

NSN 4820-01-150-5249 has 1 manufacturer part number on file: 2528125 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What are the specifications of 2528125?

Key specifications for 2528125: Overall Length: 2.938 INCHES NOMINAL IN; Material: NICKEL ALLOY. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-150-5249 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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