PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1231-1402Piston,pump

Columbus Jack Corporation Div Columbus Jack · NSN 4320-01-689-7928 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-689-7928 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-689-7928. Primary manufacturer part number: 1231-1402.
Features
  • Piston,pump — FSC 4320
  • 2 verified cross-references
  • Primary manufacturer: Columbus Jack Corporation Div Columbus Jack
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Piston,pump, cataloged under National Stock Number 4320-01-689-7928, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Columbus Jack Corporation Div Columbus Jack. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-689-7928
Primary Part Number1231-1402
Item NamePiston,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerColumbus Jack Corporation Div Columbus Jack
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6020-01-668-1380123114-02 INTERCHANGEABLE
Cable Assembly,fiber Optic
Orca Systems
1730-01-687-34721231-1100 INTERCHANGEABLE
Jack,hydraulic,tripod
Columbus Jack Corporation Div Columbus Jack
5305-01-689-7681370-20060 INTERCHANGEABLE
Screw,cap,socket Head
Columbus Jack Corporation Div Columbus Jack
3110-01-689-7699216-1-24 INTERCHANGEABLE
Bearing,ball,annular
Columbus Jack Corporation Div Columbus Jack
3110-01-689-7700450A6463 INTERCHANGEABLE
Bearing,ball,annular
Columbus Jack Corporation Div Columbus Jack
5331-01-689-7708611-33433 INTERCHANGEABLE
O-Ring
Columbus Jack Corporation Div Columbus Jack
5331-01-689-7732611-80013 INTERCHANGEABLE
O-Ring
Columbus Jack Corporation Div Columbus Jack
5310-01-689-77852979-9 INTERCHANGEABLE
Nut,self-Locking,plate
Columbus Jack Corporation Div Columbus Jack
5310-01-689-77942979-10 INTERCHANGEABLE
Nut,self-Locking,plate
Columbus Jack Corporation Div Columbus Jack
5310-01-689-78422979-8 INTERCHANGEABLE
Nut,self-Locking,plate
Columbus Jack Corporation Div Columbus Jack
Cross-Reference Index
Part NumberManufacturer
1231-1402 PRIMARY Columbus Jack Corporation Div Columbus Jack (USA)
1231-1100 Columbus Jack Corporation Div Columbus Jack (USA)
Related Parts
6020-01-668-1380INTERCHANGEABLE
CABLE ASSEMBLY,FIBER OPTIC
123114-02
1730-01-687-3472INTERCHANGEABLE
JACK,HYDRAULIC,TRIPOD
1231-1100
5305-01-689-7681INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
370-20060
3110-01-689-7699INTERCHANGEABLE
BEARING,BALL,ANNULAR
216-1-24
3110-01-689-7700INTERCHANGEABLE
BEARING,BALL,ANNULAR
450A6463
5331-01-689-7708INTERCHANGEABLE
O-RING
611-33433
5331-01-689-7732INTERCHANGEABLE
O-RING
611-80013
5310-01-689-7785INTERCHANGEABLE
NUT,SELF-LOCKING,PLATE
2979-9
5310-01-689-7794INTERCHANGEABLE
NUT,SELF-LOCKING,PLATE
2979-10
5310-01-689-7842INTERCHANGEABLE
NUT,SELF-LOCKING,PLATE
2979-8
5305-01-689-7849INTERCHANGEABLE
SETSCREW
312-16041
5305-01-689-7851INTERCHANGEABLE
SETSCREW
312-16031

Frequently Asked Questions

What is NSN 4320-01-689-7928?

NSN 4320-01-689-7928 is a Piston,pump, manufactured by Columbus Jack Corporation Div Columbus Jack, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-689-7928?

NSN 4320-01-689-7928 has 2 cross-referenced part numbers: 1231-1402 (Columbus Jack Corporation Div Columbus Jack), 1231-1100 (Columbus Jack Corporation Div Columbus Jack).

What NSN replaces 4320-01-689-7928?

There are 12 known substitutes for 4320-01-689-7928: 6020-01-668-1380, 1730-01-687-3472, 5305-01-689-7681 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1231-1402?

Key specifications for 1231-1402: Part Name Assigned by Controlling Agency: PUMP PISTON; End Item Identification: 1730-01-687-3472,JACK,HYDRAULIC,TRIPOD. 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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