PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CL49S46-18PC38Impeller Nut

Naval Ship Systems Command · NSN 4320-00-314-1543 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-314-1543 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-314-1543. Primary manufacturer part number: CL49S46-18PC38.
Features
  • Impeller Nut — FSC 4320
  • General Characteristics Item Description: NICKEL COPPER ALLOY; RH
  • 17 verified cross-references
  • Primary manufacturer: Naval Ship Systems Command
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Impeller Nut, cataloged under National Stock Number 4320-00-314-1543, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-314-1543
Primary Part NumberCL49S46-18PC38
Item NameImpeller Nut
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
General Characteristics Item DescriptionNICKEL COPPER ALLOY; RH
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6625-01-099-616917178 INTERCHANGEABLE
Indicator,digital Display
Astronautics Corporation of America
4720-01-121-3248F-68 INTERCHANGEABLE
Line,blow Off
Sanstorm Inc
1720-01-305-70120157068 F68 INTERCHANGEABLE
Breather,vent Filte
Allied Witan Co Dba Alwitco
Cross-Reference Index
Part NumberManufacturer
AP24S46-34PC32 Naval Ship Systems Command (USA)
BS5-1451PC32 Circor Naval Solutions Llc Dba Warren Pumps (USA)
CL49S46-18PC38 PRIMARY Naval Ship Systems Command (USA)
BS708PC27 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS5-1449PC32 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS710PC27 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS5-1559PC32 Circor Naval Solutions Llc Dba Warren Pumps (USA)
F68 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS798PC38 Circor Naval Solutions Llc Dba Warren Pumps (USA)
CL40S46-087PC27 Naval Ship Systems Command (USA)
BS5-1560PC32 Circor Naval Solutions Llc Dba Warren Pumps (USA)
314-1543 Marine Diesel, Inc. Dba Marine Diesel (USA)
AP24S46-36PC32 Naval Ship Systems Command (USA)
CVL48S4602-582628ALT4PC32 PRIMARY Naval Ship Systems Command (USA)
CVL48S4602-582626ALT6PC32 PRIMARY Naval Ship Systems Command (USA)
CL49S46-052PC38 PRIMARY Naval Ship Systems Command (USA)
CL40S46-089PC27 PRIMARY Naval Ship Systems Command (USA)
Related Parts
6625-01-099-6169INTERCHANGEABLE
INDICATOR,DIGITAL DISPLAY
17178
4720-01-121-3248INTERCHANGEABLE
LINE,BLOW OFF
F-68
1720-01-305-7012INTERCHANGEABLE
BREATHER,VENT FILTE
0157068 F68

Frequently Asked Questions

What is NSN 4320-00-314-1543?

NSN 4320-00-314-1543 is a Impeller Nut, manufactured by Naval Ship Systems Command, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-314-1543?

NSN 4320-00-314-1543 has 17 cross-referenced part numbers: AP24S46-34PC32 (Naval Ship Systems Command), BS5-1451PC32 (Circor Naval Solutions Llc Dba Warren Pumps), CL49S46-18PC38 (Naval Ship Systems Command), BS708PC27 (Circor Naval Solutions Llc Dba Warren Pumps), BS5-1449PC32 (Circor Naval Solutions Llc Dba Warren Pumps) and 12 more.

What NSN replaces 4320-00-314-1543?

There are 3 known substitutes for 4320-00-314-1543: 6625-01-099-6169, 4720-01-121-3248, 1720-01-305-7012. Verify interchangeability with system specifications before substitution.

What are the specifications of CL49S46-18PC38?

Key specifications for CL49S46-18PC38: General Characteristics Item Description: NICKEL COPPER ALLOY; RH. 1 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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