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NSN 4320-01-640-9074Government record, cited

Water Distribution Equipment4320-01-640-9074

NSN 4320-01-640-9074 · NIIN 016409074 · Part number 521-8580321 REV - ITEM F-11
Naval Sea Systems Command · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 53711
Government record, cited
NSN 4320-01-640-9074 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-640-9074. Manufacturer of record part number: 521-8580321 REV - ITEM F-11.
Also searched as  4320-01-640-9074 · 4320016409074 · NIIN 016409074 · 01-640-9074 · FSC 4320 Power and Hand Pumps · CAGE 53711 · 521-8580321 REV - ITEM F-11 · GCI-9542701E MODEL 5U1A
Nearby stock numbers  ·
Features
  • Water Distribution Equipment — FSC 4320
  • Unpackaged Unit Length: 21.00 INCHES NOMINAL IN
  • Unpackaged Unit Width: 10.00 INCHES NOMINAL IN
  • Unpackaged Unit Height: 18.00 INCHES NOMINAL IN
  • Unpackaged Unit Weight: 30.00 POUNDS LBS
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Naval Sea Systems Command
Identification
  • NSN: 4320-01-640-9074
  • NIIN: 016409074
  • FSC: 4320 — Power and Hand Pumps
  • FSG: 43 — Pumps and Compressors
  • Primary part number: 521-8580321 REV - ITEM F-11
  • Manufacturer: Naval Sea Systems Command
General Description

The Water Distribution Equipment, cataloged under National Stock Number 4320-01-640-9074, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-640-9074
Primary Part Number521-8580321 REV - ITEM F-11
Item NameWater Distribution Equipment
FSC / FSG4320 / 43 — Power and Hand Pumps
ManufacturerNaval Sea Systems Command
StatusACTIVE
Unpackaged Unit Length21.00 INCHES NOMINAL IN
Unpackaged Unit Width10.00 INCHES NOMINAL IN
Unpackaged Unit Height18.00 INCHES NOMINAL IN
Unpackaged Unit Weight30.00 POUNDS LBS
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
GCI-9542701E MODEL 5U1A Leidos, Inc. Dba Leidos (USA)
521-8580321 REV - ITEM F-11 PRIMARY Naval Sea Systems Command (USA)
No interchangeability data on file.
Other items in FSC 4320 — Power and Hand Pumps
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4320-00-001-1633
4320-00-001-1633 · Item name not on file
4320-00-001-2628
RETAINER AND PIN
4320-00-001-2629
HOUSING AND PIN
4320-00-001-2630
PUMP,CENTRIFUGAL
4320-00-001-2631
4320-00-001-2631 · Item name not on file
4320-00-001-2632
4320-00-001-2632 · Item name not on file
4320-00-001-3377
4320-00-001-3377 · Item name not on file
4320-00-001-3384
4320-00-001-3384 · Item name not on file

Frequently Asked Questions

What is NSN 4320-01-640-9074?

NSN 4320-01-640-9074 is a Water Distribution Equipment, manufactured by Naval Sea Systems Command, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-640-9074?

NSN 4320-01-640-9074 has 2 manufacturer part numbers on file: GCI-9542701E MODEL 5U1A (Leidos, Inc. Dba Leidos), 521-8580321 REV - ITEM F-11 (Naval Sea Systems Command).

What are the specifications of 521-8580321 REV - ITEM F-11?

Key specifications for 521-8580321 REV - ITEM F-11: Unpackaged Unit Length: 21.00 INCHES NOMINAL IN; Unpackaged Unit Width: 10.00 INCHES NOMINAL IN; Unpackaged Unit Height: 18.00 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: TOPSIDE CHLORINATOR/DE-CHLORINATOR ENSEMBLE. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-640-9074 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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