PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

831506Parts Kit,rotary Pump

Grindley Manufacturing Inc. · NSN 4320-00-443-5756 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-443-5756 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-443-5756. Primary manufacturer part number: 831506.
Features
  • Parts Kit,rotary Pump — FSC 4320
  • Nonsupply Items and Quantities: 33525 206841 PIN ALIGNMENT 1; 33525 255288 RETAINER SPRING 1; 33525206844 GUIDE 1; 33525 206845 1; 33525 206846 PLUG DOWEL 1; 33525 206847 GASKET 8; 33525 206852 BALL 1; 33525 206853 KEY THRUST PLATE 1; 33525 250588 KEY SHAFT 1; 33525 250589 PIN THRUST 1; 33525 250865 WASHER THRUST 1; 33525 18400006 RING RETAINER 1; 33525 52580807 SCREW 2; 33525 52580808 SCREW 2; 33525 52580810 SCREW 4
  • Component Quantity: 27
  • 8 verified cross-references
  • Primary manufacturer: Grindley Manufacturing Inc.
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Parts Kit,rotary Pump, cataloged under National Stock Number 4320-00-443-5756, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Grindley Manufacturing Inc.. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, 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
NSN4320-00-443-5756
Primary Part Number831506
Item NameParts Kit,rotary Pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerGrindley Manufacturing Inc.
StatusACTIVE
Nonsupply Items and Quantities33525 206841 PIN ALIGNMENT 1; 33525 255288 RETAINER SPRING 1; 33525206844 GUIDE 1; 33525 206845 1; 33525 206846 PLUG DOWEL 1; 33525 206847 GASKET 8; 33525 206852 BALL 1; 33525 206853 KEY THRUST PLATE 1; 33525 250588 KEY SHAFT 1; 33525 250589 PIN THRUST 1; 33525 250865 WASHER THRUST 1; 33525 18400006 RING RETAINER 1; 33525 52580807 SCREW 2; 33525 52580808 SCREW 2; 33525 52580810 SCREW 4
Component Quantity27
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5130-01-255-540638215 INTERCHANGEABLE
Holder,screwdriver Bit
Magna Div Vermont American Corp
Cross-Reference Index
Part NumberManufacturer
K842399 Kidde-Fenwal, Llc (USA)
842399 Davey Compressor Co Div of Keco Industries Inc (USA)
K842399 Hdt Expeditionary Systems Inc (USA)
K842399 Davey Compressor Co Div of Keco Industries Inc (USA)
K842399 Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA)
842399 Kidde-Fenwal, Llc (USA)
K842399 Drs Environmental Systems Inc (USA)
831506 PRIMARY Grindley Manufacturing Inc. (USA)
Related Parts
5130-01-255-5406INTERCHANGEABLE
HOLDER,SCREWDRIVER BIT
38215

Frequently Asked Questions

What is NSN 4320-00-443-5756?

NSN 4320-00-443-5756 is a Parts Kit,rotary Pump, manufactured by Grindley Manufacturing Inc., classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-443-5756?

NSN 4320-00-443-5756 has 8 cross-referenced part numbers: K842399 (Kidde-Fenwal, Llc), 842399 (Davey Compressor Co Div of Keco Industries Inc), K842399 (Hdt Expeditionary Systems Inc), K842399 (Davey Compressor Co Div of Keco Industries Inc), K842399 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.) and 3 more.

What NSN replaces 4320-00-443-5756?

There is 1 known substitute for 4320-00-443-5756: 5130-01-255-5406. Verify interchangeability with system specifications before substitution.

What are the specifications of 831506?

Key specifications for 831506: Nonsupply Items and Quantities: 33525 206841 PIN ALIGNMENT 1; 33525 255288 RETAINER SPRING 1; 33525206844 GUIDE 1; 33525 206845 1; 33525 206846 PLUG DOWEL 1; 33525 206847 GASKET 8; 33525 206852 BALL 1; 33525 206853 KEY THRUST PLATE 1; 33525 250588 KEY SHAFT 1; 33525 250589 PIN THRUST 1; 33525 250865 WASHER THRUST 1; 33525 18400006 RING RETAINER 1; 33525 52580807 SCREW 2; 33525 52580808 SCREW 2; 33525 52580810 SCREW 4; Component Quantity: 27. 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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