PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

K39-1Parts Kit,reciprocating Pump

Eaton Aerospace, Llc Dba Jackson South · NSN 4320-00-779-1323 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-779-1323 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-779-1323. Primary manufacturer part number: K39-1.
Features
  • Parts Kit,reciprocating Pump — FSC 4320
  • End Item Name: PUMP,RECIPROCATING
  • End Item Source: 90166
  • 6 verified cross-references
  • Primary manufacturer: Eaton Aerospace, Llc Dba Jackson South
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Parts Kit,reciprocating Pump, cataloged under National Stock Number 4320-00-779-1323, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4320-00-779-1323
Primary Part NumberK39-1
Item NameParts Kit,reciprocating Pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusCANCELLED
End Item NamePUMP,RECIPROCATING
End Item Source90166
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
2520-00-034-8780 INTERCHANGEABLE
Parts Kit,friction Clutch
3120-00-541-0136112133 INTERCHANGEABLE
Bearing,plain,rod End
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
5945-01-129-3252 INTERCHANGEABLE
Relay,assembly
5310-01-270-71511141900 INTERCHANGEABLE
Nut,cable Drive
W S Darley & Co
3040-01-275-5247K39 INTERCHANGEABLE
Shaft,shouldered
Butterworth, Inc.
4730-01-323-09706000946 INTERCHANGEABLE
Clamp,hose
Ed Etnyre & Co
5120-01-376-9790K269 INTERCHANGEABLE
Contact Positioner,terminal Crim
Daniels Manufacturing Corporation
5660-01-558-3817K-39 INTERCHANGEABLE
Fencing,wire
Illinois Tool Works Inc. Dba Norwood Marking Systems
4820-01-572-6373K-391 INTERCHANGEABLE
Repair Kit,valve
Metrex Valve Corp. Dba Metrex Valve Corp
Cross-Reference Index
Part NumberManufacturer
K39-1 General Signal Corp (USA)
K39 Eaton Aerospace, Llc Dba Jackson South (USA)
K39-1 Eaton Aerospace, Llc Dba Jackson South (USA)
K39 Eaton Aerospace, Llc Dba Jackson South (USA)
K39 General Signal Corp (USA)
K39-1 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
2520-00-034-8780INTERCHANGEABLE
PARTS KIT,FRICTION CLUTCH
3120-00-541-0136INTERCHANGEABLE
BEARING,PLAIN,ROD END
112133
5945-01-129-3252INTERCHANGEABLE
RELAY,ASSEMBLY
5310-01-270-7151INTERCHANGEABLE
NUT,CABLE DRIVE
1141900
3040-01-275-5247INTERCHANGEABLE
SHAFT,SHOULDERED
K39
4730-01-323-0970INTERCHANGEABLE
CLAMP,HOSE
6000946
5120-01-376-9790INTERCHANGEABLE
CONTACT POSITIONER,TERMINAL CRIM
K269
5660-01-558-3817INTERCHANGEABLE
FENCING,WIRE
K-39
4820-01-572-6373INTERCHANGEABLE
REPAIR KIT,VALVE
K-391

Frequently Asked Questions

What is NSN 4320-00-779-1323?

NSN 4320-00-779-1323 is a Parts Kit,reciprocating Pump, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4320 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4320-00-779-1323?

NSN 4320-00-779-1323 has 6 cross-referenced part numbers: K39-1 (General Signal Corp), K39 (Eaton Aerospace, Llc Dba Jackson South), K39-1 (Eaton Aerospace, Llc Dba Jackson South), K39 (Eaton Aerospace, Llc Dba Jackson South), K39 (General Signal Corp) and 1 more.

What NSN replaces 4320-00-779-1323?

There are 9 known substitutes for 4320-00-779-1323: 2520-00-034-8780, 3120-00-541-0136, 5945-01-129-3252 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of K39-1?

Key specifications for K39-1: End Item Name: PUMP,RECIPROCATING; End Item Source: 90166; End Item Identification: NSN 4320-00-562-3091. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4320-00-779-1323 still in active supply?

NSN 4320-00-779-1323 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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