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NSN 4620-01-500-5903Government record, cited
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Vessel, Desalination, Osmosis4620-01-500-5903

NSN 4620-01-500-5903 · NIIN 015005903 · Part number 531-7016000-A2
Naval Sea Systems Command · FSC 4620 — Water Distillation Equipment, Marine and Industrial · FSG 46 — Water Purification and Sewage Treatment · CAGE 53711
Government record, cited
NSN 4620-01-500-5903 — this item is cataloged by the U.S. Government under National Stock Number 4620-01-500-5903. Manufacturer of record part number: 531-7016000-A2.
Also searched as  4620-01-500-5903 · 4620015005903 · NIIN 015005903 · 01-500-5903 · FSC 4620 Water Distillation Equipment, Marine and Industrial · CAGE 53711 · 531-7016000-A2 · 531-7016000 · H655-1511-A2
Nearby stock numbers  ·
Features
  • Vessel,desalination,osmosis — FSC 4620
  • 1 manufacturer part number on file
  • Manufacturer of record: Naval Sea Systems Command
Identification
  • NSN: 4620-01-500-5903
  • NIIN: 015005903
  • FSC: 4620 — Water Distillation Equipment, Marine and Industrial
  • FSG: 46 — Water Purification and Sewage Treatment
  • Primary part number: 531-7016000-A2
  • Manufacturer: Naval Sea Systems Command
General Description

The Vessel,desalination,osmosis, cataloged under National Stock Number 4620-01-500-5903, is classified within Federal Supply Class 4620 (Water Distillation Equipment, Marine and Industrial) of the Water Purification and Sewage Treatment group. The manufacturer of record is Naval Sea Systems Command. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts
Item NameVessel,desalination,osmosis
FSC / FSG4620 — Water Distillation Equipment, Marine and Industrial (FSG 46)
ManufacturersNaval Sea Systems Command (CAGE 53711)
Technical Specifications
ParameterValue
NSN4620-01-500-5903
Primary Part Number531-7016000-A2
Item NameVessel,desalination,osmosis
FSC / FSG4620 / 46 — Water Distillation Equipment, Marine and Industrial
ManufacturerNaval Sea Systems Command
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4620-01-500-6117531-7016000-A3 POSSIBLE MATCH
VESSEL,DESALINATION,OSMOSIS
Possible match (shared part number)Naval Sea Systems Command
4620-01-500-6135531-7016000-A4 POSSIBLE MATCH
VESSEL,DESALINATION,OSMOSIS
Possible match (shared part number)Naval Sea Systems Command
4330-01-500-7715531-7016000-57 POSSIBLE MATCH
RING,THRUST
Possible match (shared part number)Naval Sea Systems Command
4330-01-500-7733531-7016000-7 POSSIBLE MATCH
RING,THRUST
Possible match (shared part number)Naval Sea Systems Command
5365-01-501-3348531-7016000-68 POSSIBLE MATCH
SPACER,SPECIAL SHAPED
Possible match (shared part number)Naval Sea Systems Command
5365-01-501-3399531-7016000-18 POSSIBLE MATCH
SPACER,SPECIAL SHAPED
Possible match (shared part number)Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
531-7016000-A2 PRIMARY Naval Sea Systems Command (USA)
Reference documents
ReferenceMeaning
531-7016000 D/9 Drawing number reference only
Naval Sea Systems Command
H655-1511-A2 5/2 Secondary reference
U.S. Government activity
Related Parts
4620-01-500-6117POSSIBLE MATCH
VESSEL,DESALINATION,OSMOSIS
531-7016000-A3
4620-01-500-6135POSSIBLE MATCH
VESSEL,DESALINATION,OSMOSIS
531-7016000-A4
4330-01-500-7715POSSIBLE MATCH
RING,THRUST
531-7016000-57
4330-01-500-7733POSSIBLE MATCH
RING,THRUST
531-7016000-7
5365-01-501-3348POSSIBLE MATCH
SPACER,SPECIAL SHAPED
531-7016000-68
5365-01-501-3399POSSIBLE MATCH
SPACER,SPECIAL SHAPED
531-7016000-18

Frequently Asked Questions

What is NSN 4620-01-500-5903?

NSN 4620-01-500-5903 is a Vessel,desalination,osmosis, manufactured by Naval Sea Systems Command, classified under FSC 4620, Water Distillation Equipment, Marine and Industrial. Status: active.

What part numbers are listed for NSN 4620-01-500-5903?

NSN 4620-01-500-5903 has 1 manufacturer part number on file: 531-7016000-A2 (Naval Sea Systems Command).

What NSN replaces 4620-01-500-5903?

6 possible matches (shared part number, not a government interchangeability claim): 4620-01-500-6117, 4620-01-500-6135, 4330-01-500-7715. Verify interchangeability with system specifications before substitution.

Is NSN 4620-01-500-5903 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.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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