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NSN 4820-01-457-3159Government record, cited

Stem, Fluid Valve4820-01-457-3159

NSN 4820-01-457-3159 · NIIN 014573159 · Part number 5525A03A
Ashcroft Inc Dba Heise · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 38056
Government record, cited
NSN 4820-01-457-3159 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-457-3159. Manufacturer of record part number: 5525A03A.
Also searched as  4820-01-457-3159 · 4820014573159 · NIIN 014573159 · 01-457-3159 · FSC 4820 Valves, Nonpowered · CAGE 38056 · 5525A03A · 213694 PC 3
Nearby stock numbers  ·
Features
  • Stem,fluid Valve — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • 1 manufacturer part number on file
  • Manufacturer of record: Ashcroft Inc Dba Heise
Identification
  • NSN: 4820-01-457-3159
  • NIIN: 014573159
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 5525A03A
  • Manufacturer: Ashcroft Inc Dba Heise
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-457-3159, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ashcroft Inc Dba Heise. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Technical Specifications
ParameterValue
NSN4820-01-457-3159
Primary Part Number5525A03A
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerAshcroft Inc Dba Heise
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
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
5525A03A PRIMARY Ashcroft Inc Dba Heise (USA)
Reference documents
ReferenceMeaning
213694 PC 3 5/9 Secondary reference
Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse
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
Related Parts in Valves
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
8171E-1/4HS2
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
D559A3M2
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 4820-01-457-3159?

NSN 4820-01-457-3159 is a Stem,fluid Valve, manufactured by Ashcroft Inc Dba Heise, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-457-3159?

NSN 4820-01-457-3159 has 1 manufacturer part number on file: 5525A03A (Ashcroft Inc Dba Heise).

What are the specifications of 5525A03A?

Key specifications for 5525A03A: End Item Identification: NIMITZ CLASS CVN; Material: STEEL CORROSION RESISTING. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-457-3159 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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