NSN 4320-01-198-5783 · NIIN 011985783 · Part number 502FOR525-SN-1
Neptune Chemical Pump Co Div of R a Industries Inc · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 28625
Government record, cited
NSN 4320-01-198-5783 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-198-5783. Manufacturer of record part number: 502FOR525-SN-1.
Also searched as4320-01-198-5783 ·
4320011985783 ·
NIIN 011985783 ·
01-198-5783 ·
FSC 4320 Power and Hand Pumps · CAGE 28625 · 502FOR525-SN-1 · 502
Manufacturer of record: Neptune Chemical Pump Co Div of R a Industries Inc
Identification
NSN: 4320-01-198-5783
NIIN: 011985783
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 502FOR525-SN-1
Manufacturer: Neptune Chemical Pump Co Div of R a Industries Inc
General Description
The Connecting Rod,piston, cataloged under National Stock Number 4320-01-198-5783, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Neptune Chemical Pump Co Div of R a Industries Inc. Government technical data includes 2 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
Parameter
Value
NSN
4320-01-198-5783
Primary Part Number
502FOR525-SN-1
Item Name
Connecting Rod,piston
FSC / FSG
4320 / 43 — Power and Hand Pumps
Manufacturer
Neptune Chemical Pump Co Div of R a Industries Inc
Neptune Chemical Pump Co Div of R a Industries Inc (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 4320-01-198-5783?
NSN 4320-01-198-5783 is a Connecting Rod,piston, manufactured by Neptune Chemical Pump Co Div of R a Industries Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
What part numbers are listed for NSN 4320-01-198-5783?
NSN 4320-01-198-5783 has 2 manufacturer part numbers on file: 502FOR525-SN-1 (Neptune Chemical Pump Co Div of R a Industries Inc), 502 (Neptune Chemical Pump Co Div of R a Industries Inc).
What are the specifications of 502FOR525-SN-1?
Key specifications for 502FOR525-SN-1: Material: STEEL CORROSION RESISTING; Fabrication Method: CAST. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4320-01-198-5783 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.