PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26780Connector,fluid,pump

Pulsafeeder Inc · NSN 4320-01-416-5956 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-416-5956 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-416-5956. Primary manufacturer part number: 26780.
Features
  • Connector,fluid,pump — FSC 4320
  • Connection Location: INLET CONNECTION
  • Material: PLASTIC
  • Pump Design Control Activity: 64743
  • Pump Model Number for Which Designed: 100 SERIES
  • Connection Size: 0.500 INCHES IN
  • Connection Type: THREADED EXTERNAL PIPE AND THREADED INTERNAL PIPE
  • 4 verified cross-references
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 4320-01-416-5956, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Pulsafeeder Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-416-5956
Primary Part Number26780
Item NameConnector,fluid,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerPulsafeeder Inc
StatusACTIVE
Connection LocationINLET CONNECTION
MaterialPLASTIC
Pump Design Control Activity64743
Pump Model Number for Which Designed100 SERIES
Connection Size0.500 INCHES IN
Connection TypeTHREADED EXTERNAL PIPE AND THREADED INTERNAL PIPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-100-31083877 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
2990-00-382-8812C26780 INTERCHANGEABLE
Muffler,exhaust
Mitsubishi Caterpillar Forklift America, Inc
5330-01-028-9010 INTERCHANGEABLE
Gasket
Cross-Reference Index
Part NumberManufacturer
26780 Industrial Service and Supply, Inc (USA)
245P Pulsafeeder Inc (USA)
26780 PRIMARY Pulsafeeder Inc (USA)
J26780 Pulsafeeder Inc (USA)
Related Parts
3110-00-100-3108INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
3877
2990-00-382-8812INTERCHANGEABLE
MUFFLER,EXHAUST
C26780
5330-01-028-9010INTERCHANGEABLE
GASKET

Frequently Asked Questions

What is NSN 4320-01-416-5956?

NSN 4320-01-416-5956 is a Connector,fluid,pump, manufactured by Pulsafeeder Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-416-5956?

NSN 4320-01-416-5956 has 4 cross-referenced part numbers: 26780 (Industrial Service and Supply, Inc), 245P (Pulsafeeder Inc), 26780 (Pulsafeeder Inc), J26780 (Pulsafeeder Inc).

What NSN replaces 4320-01-416-5956?

There are 3 known substitutes for 4320-01-416-5956: 3110-00-100-3108, 2990-00-382-8812, 5330-01-028-9010. Verify interchangeability with system specifications before substitution.

What are the specifications of 26780?

Key specifications for 26780: Connection Location: INLET CONNECTION; Material: PLASTIC; Pump Design Control Activity: 64743; End Item Identification: WEAPON SYSTEM CODE TH;STRATEGIC SALIFT CONVERSION SHIPS CLASS. 7 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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