PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41991Parts Kit,blower and Water Pump

Napco International Llc Dba Napco International Inc · NSN 2815-00-652-5121 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-00-652-5121 — this item is cataloged by the U.S. Government under National Stock Number 2815-00-652-5121. Primary manufacturer part number: 41991.
Features
  • Parts Kit,blower and Water Pump — FSC 2815
  • General Characteristics Item Description: FSCM 89923,P/N 41998 SEAL,2 EA
  • General Characteristics Item Description: FSCM 89923,P/N 40094 LOCKWIRE,7 FT FT
  • General Characteristics Item Description: FSCM 89923,P/N 40047 WASHER,4 EA
  • General Characteristics Item Description: FSCM 89923,P/N 41996 SEAL,2 EA
  • General Characteristics Item Description: FSCM 89923,P/N 40282 FELT,1 EA
  • General Characteristics Item Description: FSCM 89923,P/N 40887 SHIELD,1 EA
  • General Characteristics Item Description: FSCM 89923,P/N 40283 RETAINER,1 EA
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Parts Kit,blower and Water Pump, cataloged under National Stock Number 2815-00-652-5121, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Napco International Llc Dba Napco International Inc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2815-00-652-5121
Primary Part Number41991
Item NameParts Kit,blower and Water Pump
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerNapco International Llc Dba Napco International Inc
StatusACTIVE
General Characteristics Item DescriptionFSCM 89923,P/N 41998 SEAL,2 EA
General Characteristics Item DescriptionFSCM 89923,P/N 40094 LOCKWIRE,7 FT FT
General Characteristics Item DescriptionFSCM 89923,P/N 40047 WASHER,4 EA
General Characteristics Item DescriptionFSCM 89923,P/N 41996 SEAL,2 EA
General Characteristics Item DescriptionFSCM 89923,P/N 40282 FELT,1 EA
General Characteristics Item DescriptionFSCM 89923,P/N 40887 SHIELD,1 EA
General Characteristics Item DescriptionFSCM 89923,P/N 40283 RETAINER,1 EA
General Characteristics Item DescriptionFSCM 89923,P/N 42000 SEAL,1 EA
General Characteristics Item Description31 INDIVIDUAL ITEMS PER FSCM 89923,DWG NO.41991
General Characteristics Item DescriptionFSCM 89923,P/N 42004 SEAL ASSY,1 EA
General Characteristics Item DescriptionFSCM 89923,P/N 40888 IMPELLER ASSY,1 EA
General Characteristics Item DescriptionFSCM 89923,P/N 40281 WASHER,1 EA
General Characteristics Item DescriptionFSCM 89923,P/N 40302 RING,8 EA
General Characteristics Item DescriptionFSCM 89923,P/N 40311 GASKET,2 EA
General Characteristics Item DescriptionFSCM 89923,P/N 41997 SEAL,4 EA
General Characteristics Item DescriptionCONSISTS OF THE FOLLOWING ITEMS
General Characteristics Item DescriptionFSCM 89923,P/N 42001 WASHER,1 EA
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4530-00-005-76564199-1 INTERCHANGEABLE
Handle Assembly,atomizer
Naval Sea Systems Command
1377-00-677-62814199-1 INTERCHANGEABLE
Cartridge,aircraft Fire Extingui
Quantic Industries, Inc. Dba Quantic-Holex
5950-00-782-8192SM-C-586488 INTERCHANGEABLE
Reactor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3040-01-521-426841991 INTERCHANGEABLE
Cylinder,actuating,linear
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
157D1-1353 Kurz & Root Generator Company, Llc (USA)
41991 PRIMARY Napco International Llc Dba Napco International Inc (USA)
Related Parts
4530-00-005-7656INTERCHANGEABLE
HANDLE ASSEMBLY,ATOMIZER
4199-1
1377-00-677-6281INTERCHANGEABLE
CARTRIDGE,AIRCRAFT FIRE EXTINGUI
4199-1
5950-00-782-8192INTERCHANGEABLE
REACTOR
SM-C-586488
3040-01-521-4268INTERCHANGEABLE
CYLINDER,ACTUATING,LINEAR
41991

Frequently Asked Questions

What is NSN 2815-00-652-5121?

NSN 2815-00-652-5121 is a Parts Kit,blower and Water Pump, manufactured by Napco International Llc Dba Napco International Inc, classified under FSC 2815 (No Item Name Available). Status: active.

What are the part numbers for NSN 2815-00-652-5121?

NSN 2815-00-652-5121 has 2 cross-referenced part numbers: 157D1-1353 (Kurz & Root Generator Company, Llc), 41991 (Napco International Llc Dba Napco International Inc).

What NSN replaces 2815-00-652-5121?

There are 4 known substitutes for 2815-00-652-5121: 4530-00-005-7656, 1377-00-677-6281, 5950-00-782-8192 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 41991?

Key specifications for 41991: General Characteristics Item Description: FSCM 89923,P/N 41998 SEAL,2 EA; General Characteristics Item Description: FSCM 89923,P/N 40094 LOCKWIRE,7 FT FT; General Characteristics Item Description: FSCM 89923,P/N 40047 WASHER,4 EA; General Characteristics Item Description: FSCM 89923,P/N 41996 SEAL,2 EA. 17 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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