PartsTable TECHNICAL DATA SHEET
NSN 4320-01-509-9875Government record, cited

Connector, Fluid, Pump4320-01-509-9875

NSN 4320-01-509-9875 · NIIN 015099875 · Part number 6391053-1
Naval Sea Systems Command · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 53711
Government record, cited
NSN 4320-01-509-9875 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-509-9875. Manufacturer of record part number: 6391053-1.
Also searched as  4320-01-509-9875 · 4320015099875 · NIIN 015099875 · 01-509-9875 · FSC 4320 Power and Hand Pumps · CAGE 53711 · 6391053-1
Nearby stock numbers  ·
Features
  • Connector,fluid,pump — FSC 4320
  • Connection Location: INLET CONNECTION AND OUTLET CONNECTION
  • Material: ALUMINUM ALLOY
  • Connection Size: 3.251 INCHES AND 3.151 INCHES IN
  • 1 manufacturer part number on file
  • Manufacturer of record: Naval Sea Systems Command
Identification
  • NSN: 4320-01-509-9875
  • NIIN: 015099875
  • FSC: 4320 — Power and Hand Pumps
  • FSG: 43 — Pumps and Compressors
  • Primary part number: 6391053-1
  • Manufacturer: Naval Sea Systems Command
General Description

The Connector,fluid,pump, cataloged under National Stock Number 4320-01-509-9875, 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 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
NSN4320-01-509-9875
Primary Part Number6391053-1
Item NameConnector,fluid,pump
FSC / FSG4320 / 43 — Power and Hand Pumps
ManufacturerNaval Sea Systems Command
StatusACTIVE
Connection LocationINLET CONNECTION AND OUTLET CONNECTION
MaterialALUMINUM ALLOY
Connection Size3.251 INCHES AND 3.151 INCHES IN
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
6391053-1 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 4320-01-509-9875?

NSN 4320-01-509-9875 is a Connector,fluid,pump, manufactured by Naval Sea Systems Command, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-509-9875?

NSN 4320-01-509-9875 has 1 manufacturer part number on file: 6391053-1 (Naval Sea Systems Command).

What are the specifications of 6391053-1?

Key specifications for 6391053-1: Connection Location: INLET CONNECTION AND OUTLET CONNECTION; Special Features: MATERIAL SPEC: ASTM B209, TEMPER T6; FINISH: ANODIZE IAW MIL-A-8625, TYPE III, CLASS 2, BLACK; End Item Identification: ADAPTER BLOCK, TRANSPORT COMPARTMENT PUMP/MOTOR; Material: ALUMINUM ALLOY. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-509-9875 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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