PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40291Impeller,blower,centrifugal

Napco International Llc Dba Napco International Inc · NSN 2815-00-374-8265 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-00-374-8265 — this item is cataloged by the U.S. Government under National Stock Number 2815-00-374-8265. Primary manufacturer part number: 40291.
Features
  • Impeller,blower,centrifugal — FSC 2815
  • General Characteristics Item Description: STEEL,10.269 O/A LG,BLADE 4.910 IN. LG AND 2.250 IN. W,10 INVOLUTE SPLINES,1 END 0.812-20 UNEF MALE THD,OTER END 1.372 IN. O/A OD 1.634 IN
  • 1 verified cross-reference
  • Primary manufacturer: Napco International Llc Dba Napco International Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Impeller,blower,centrifugal, cataloged under National Stock Number 2815-00-374-8265, 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 1 verified specification, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2815-00-374-8265
Primary Part Number40291
Item NameImpeller,blower,centrifugal
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerNapco International Llc Dba Napco International Inc
StatusACTIVE
General Characteristics Item DescriptionSTEEL,10.269 O/A LG,BLADE 4.910 IN. LG AND 2.250 IN. W,10 INVOLUTE SPLINES,1 END 0.812-20 UNEF MALE THD,OTER END 1.372 IN. O/A OD 1.634 IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3455-00-224-366059-10016 INTERCHANGEABLE
Cutter,milling,metal Slitting
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
3040-00-270-80504500-209 INTERCHANGEABLE
Connecting Link,rigid
Tyee Aircraft Inc Div Tyee Aircraft
5961-00-410-3164 INTERCHANGEABLE
Transistor
9540-00-596-3017 INTERCHANGEABLE
Angle,structural
5915-01-129-625811566477 INTERCHANGEABLE
Filter,band Pass
Us Army Aviation and Missile Command
6530-01-513-520640291 INTERCHANGEABLE
Motor,fan,sterilizer
Getinge Usa Inc
Cross-Reference Index
Part NumberManufacturer
40291 PRIMARY Napco International Llc Dba Napco International Inc (USA)
Related Parts
3455-00-224-3660INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
59-10016
3040-00-270-8050INTERCHANGEABLE
CONNECTING LINK,RIGID
4500-209
5961-00-410-3164INTERCHANGEABLE
TRANSISTOR
9540-00-596-3017INTERCHANGEABLE
ANGLE,STRUCTURAL
5915-01-129-6258INTERCHANGEABLE
FILTER,BAND PASS
11566477
6530-01-513-5206INTERCHANGEABLE
MOTOR,FAN,STERILIZER
40291

Frequently Asked Questions

What is NSN 2815-00-374-8265?

NSN 2815-00-374-8265 is a Impeller,blower,centrifugal, 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 2815-00-374-8265?

NSN 2815-00-374-8265 has 1 cross-referenced part number: 40291 (Napco International Llc Dba Napco International Inc).

What NSN replaces 2815-00-374-8265?

There are 6 known substitutes for 2815-00-374-8265: 3455-00-224-3660, 3040-00-270-8050, 5961-00-410-3164 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40291?

Key specifications for 40291: General Characteristics Item Description: STEEL,10.269 O/A LG,BLADE 4.910 IN. LG AND 2.250 IN. W,10 INVOLUTE SPLINES,1 END 0.812-20 UNEF MALE THD,OTER END 1.372 IN. O/A OD 1.634 IN. 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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