PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55741Piston,pump

Templeton Kenly and Co Inc · NSN 4320-00-531-5545 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-531-5545 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-531-5545. Primary manufacturer part number: 55741.
Features
  • Piston,pump — FSC 4320
  • Material: STEEL
  • Diameter: 4.812 INCHES NOMINAL IN
  • 3 verified cross-references
  • Primary manufacturer: Templeton Kenly and Co Inc
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Steel construction
General Description

The Piston,pump, cataloged under National Stock Number 4320-00-531-5545, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Templeton Kenly and Co Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references 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
NSN4320-00-531-5545
Primary Part Number55741
Item NamePiston,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerTempleton Kenly and Co Inc
StatusACTIVE
MaterialSTEEL
Diameter4.812 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5935-00-215-49595574-1 INTERCHANGEABLE
Adapter,connector
Microwave Devices Inc
5120-00-218-5944AC587-4 INTERCHANGEABLE
Wrench,sleeve
Alfa Laval Inc
2840-00-229-667955741 INTERCHANGEABLE
Spring,expander,sea
Kaydon Ring & Seal Inc Dba Skf Precision Technologies
5815-00-567-4155SM-C-187707 INTERCHANGEABLE
Bar,selector,teletypewriter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
1377-00-591-94871000-146 INTERCHANGEABLE
Cylinder and Damper Assembly
Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc
5330-00-740-1351356005R1 INTERCHANGEABLE
Seal,valve Block
Dressta North America Ltd
7310-00-835-4897 INTERCHANGEABLE
Pan,steam Table
Cross-Reference Index
Part NumberManufacturer
SHP94-6PC26 Templeton Kenly and Co Inc (USA)
1000-14-6 Templeton Kenly and Co Inc (USA)
55741 PRIMARY Templeton Kenly and Co Inc (USA)
Related Parts
5935-00-215-4959INTERCHANGEABLE
ADAPTER,CONNECTOR
5574-1
5120-00-218-5944INTERCHANGEABLE
WRENCH,SLEEVE
AC587-4
2840-00-229-6679INTERCHANGEABLE
SPRING,EXPANDER,SEA
55741
5815-00-567-4155INTERCHANGEABLE
BAR,SELECTOR,TELETYPEWRITER
SM-C-187707
1377-00-591-9487INTERCHANGEABLE
CYLINDER AND DAMPER ASSEMBLY
1000-146
5330-00-740-1351INTERCHANGEABLE
SEAL,VALVE BLOCK
356005R1
7310-00-835-4897INTERCHANGEABLE
PAN,STEAM TABLE

Frequently Asked Questions

What is NSN 4320-00-531-5545?

NSN 4320-00-531-5545 is a Piston,pump, manufactured by Templeton Kenly and Co Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-531-5545?

NSN 4320-00-531-5545 has 3 cross-referenced part numbers: SHP94-6PC26 (Templeton Kenly and Co Inc), 1000-14-6 (Templeton Kenly and Co Inc), 55741 (Templeton Kenly and Co Inc).

What NSN replaces 4320-00-531-5545?

There are 7 known substitutes for 4320-00-531-5545: 5935-00-215-4959, 5120-00-218-5944, 2840-00-229-6679 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55741?

Key specifications for 55741: Material: STEEL; Diameter: 4.812 INCHES NOMINAL IN. 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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