PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

335021Connector,fluid,pump

Grundfos Pumps Corp · NSN 4320-01-554-1062 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-554-1062 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-554-1062. Primary manufacturer part number: 335021.
Features
  • Connector,fluid,pump — FSC 4320
  • Connection Type: FLANGE
  • 1 verified cross-reference
  • Primary manufacturer: Grundfos Pumps Corp
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Electrical interconnection
  • Signal interface mating
General Description

The Connector,fluid,pump, cataloged under National Stock Number 4320-01-554-1062, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Grundfos Pumps Corp. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-554-1062
Primary Part Number335021
Item NameConnector,fluid,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerGrundfos Pumps Corp
StatusACTIVE
Connection TypeFLANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2915-00-778-9091405781 INTERCHANGEABLE
Valve,fuel Pressurizing and Drai
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Cross-Reference Index
Part NumberManufacturer
335021 PRIMARY Grundfos Pumps Corp (USA)
Related Parts
2915-00-778-9091INTERCHANGEABLE
VALVE,FUEL PRESSURIZING AND DRAI
405781

Frequently Asked Questions

What is NSN 4320-01-554-1062?

NSN 4320-01-554-1062 is a Connector,fluid,pump, manufactured by Grundfos Pumps Corp, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-554-1062?

NSN 4320-01-554-1062 has 1 cross-referenced part number: 335021 (Grundfos Pumps Corp).

What NSN replaces 4320-01-554-1062?

There is 1 known substitute for 4320-01-554-1062: 2915-00-778-9091. Verify interchangeability with system specifications before substitution.

What are the specifications of 335021?

Key specifications for 335021: Special Features: 2 INCH NPT; THREADED; CR8 AND CR16 PUMP TYPE IN; Connection Type: FLANGE. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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