PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

K-20Pump,inflating,manual

K Pump Incorporated · NSN 4320-01-721-6022 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-721-6022 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-721-6022. Primary manufacturer part number: K-20.
Features
  • Pump,inflating,manual — FSC 4320
  • Material: PLASTIC POLYVINYL CHLORIDE (PVC) CYLINDER
  • Folding Handle: NOT INCLUDED
  • Operation Method: HAND
  • Cylinder Inside Diameter: 3.0 INCHES NOMINAL IN
  • Cylinder Length: 21.0 INCHES NOMINAL IN
  • Action Type: DOUBLE
  • Outlet End Connection Type: SNAP-ON
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Plastic Polyvinyl Chloride (pvc) Cylinder construction
General Description

The Pump,inflating,manual, cataloged under National Stock Number 4320-01-721-6022, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is K Pump Incorporated. Government technical data includes 10 verified specifications, 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-721-6022
Primary Part NumberK-20
Item NamePump,inflating,manual
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerK Pump Incorporated
StatusACTIVE
MaterialPLASTIC POLYVINYL CHLORIDE (PVC) CYLINDER
Folding HandleNOT INCLUDED
Operation MethodHAND
Cylinder Inside Diameter3.0 INCHES NOMINAL IN
Cylinder Length21.0 INCHES NOMINAL IN
Action TypeDOUBLE
Outlet End Connection TypeSNAP-ON
HoseNOT INCLUDED
End Connection TypeSNAP-ON
Cylinder Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5140-00-357-5482K20 INTERCHANGEABLE
Tool Box,portable
Kennedy Manufacturing Company
6720-00-663-3092K20 INTERCHANGEABLE
Camera,still Picture
Bae Systems Information and Electronic Systems Integration Inc.
5120-01-278-4814K-20 INTERCHANGEABLE
Knife,putty
Ampco Partners, Ltd. Dba Ampco Safety Tools
4310-01-291-8028K-26-D INTERCHANGEABLE
Compressor Unit,reciprocating
Bauer Compressors, Inc.
6685-01-437-7773K40-MP0.2-N01MS INTERCHANGEABLE
Gage,pressure,dial Indicating
Smc Corporation of America
4310-01-540-2146 INTERCHANGEABLE
Compressor,reciprocating
5330-01-599-6441K/20 INTERCHANGEABLE
Gasket
O. E. M. Controls, Inc. Dba Oem Controls Inc
Cross-Reference Index
Part NumberManufacturer
K-20 PRIMARY K Pump Incorporated (USA)
Related Parts
5140-00-357-5482INTERCHANGEABLE
TOOL BOX,PORTABLE
K20
6720-00-663-3092INTERCHANGEABLE
CAMERA,STILL PICTURE
K20
5120-01-278-4814INTERCHANGEABLE
KNIFE,PUTTY
K-20
4310-01-291-8028INTERCHANGEABLE
COMPRESSOR UNIT,RECIPROCATING
K-26-D
6685-01-437-7773INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
K40-MP0.2-N01MS
4310-01-540-2146INTERCHANGEABLE
COMPRESSOR,RECIPROCATING
5330-01-599-6441INTERCHANGEABLE
GASKET
K/20

Frequently Asked Questions

What is NSN 4320-01-721-6022?

NSN 4320-01-721-6022 is a Pump,inflating,manual, manufactured by K Pump Incorporated, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-721-6022?

NSN 4320-01-721-6022 has 1 cross-referenced part number: K-20 (K Pump Incorporated).

What NSN replaces 4320-01-721-6022?

There are 7 known substitutes for 4320-01-721-6022: 5140-00-357-5482, 6720-00-663-3092, 5120-01-278-4814 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of K-20?

Key specifications for K-20: Material: PLASTIC POLYVINYL CHLORIDE (PVC) CYLINDER; Folding Handle: NOT INCLUDED; Operation Method: HAND; Cylinder Inside Diameter: 3.0 INCHES NOMINAL IN. 14 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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