PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1663-1Impeller,fan,axial

Ashland Electric Products Inc · NSN 4140-00-024-5555 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-00-024-5555 — this item is cataloged by the U.S. Government under National Stock Number 4140-00-024-5555. Primary manufacturer part number: 1663-1.
Features
  • Impeller,fan,axial — FSC 4140
  • Hub Location: BACK
  • Rotation Direction for Which Designed: COUNTERCLOCKWISE
  • Attachment Method: COMPRESSION
  • Blade Quantity: 2
  • Diameter: 6.000 INCHES NOMINAL IN
  • Material: PLASTIC POLYAMIDE NYLON OVERALL
  • Style Designator: ROUNDED TIP
Applications
  • Applications requiring Plastic Polyamide Nylon Overall construction
General Description

The Impeller,fan,axial, cataloged under National Stock Number 4140-00-024-5555, is classified within Federal Supply Class 4140 (No Item Name Available) of the Refrigeration, AC, and Air Circulating Equipment group. The primary manufacturer of record is Ashland Electric Products Inc. Government technical data includes 7 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4140-00-024-5555
Primary Part Number1663-1
Item NameImpeller,fan,axial
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerAshland Electric Products Inc
StatusACTIVE
Hub LocationBACK
Rotation Direction for Which DesignedCOUNTERCLOCKWISE
Attachment MethodCOMPRESSION
Blade Quantity2
Diameter6.000 INCHES NOMINAL IN
MaterialPLASTIC POLYAMIDE NYLON OVERALL
Style DesignatorROUNDED TIP
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-355-2559A587X3 INTERCHANGEABLE
Ring,wiper
David Brown Hydraulics Inc Dba Hydreco
5330-00-358-70891855701 INTERCHANGEABLE
Gasket
Borgwarner Pds (anderson), L.l.c.
5330-00-383-6096 INTERCHANGEABLE
Gasket Set
5330-00-424-545616-631 INTERCHANGEABLE
Gasket
Dresser Industries Inc Leroi Div
3120-00-656-72601663-1 INTERCHANGEABLE
Bearing,washer,thrust
Eaton Aerospace, Llc Dba Jackson South
5915-00-919-4551SM-B-544657 INTERCHANGEABLE
Filter,radio Frequency Interfere
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5306-01-194-4961250-16514 PC 18 INTERCHANGEABLE
Bolt,machine
Moog Inc. Dba Ampac-Isp Corp
5995-01-242-6504506-836-04 INTERCHANGEABLE
Cable Assembly,power,electrical
Nortech Systems Inc Dba Aerospace Systems Div Nortech Systems - Aerospace Systems Division
4320-01-289-7999 INTERCHANGEABLE
Rotor,pump
5950-01-480-211016631 INTERCHANGEABLE
Coil,electrical
Standex Electronics, Inc.
Cross-Reference Index
Part NumberManufacturer
1663-1 PRIMARY Ashland Electric Products Inc (USA)
853569 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
5330-00-355-2559INTERCHANGEABLE
RING,WIPER
A587X3
5330-00-358-7089INTERCHANGEABLE
GASKET
1855701
5330-00-383-6096INTERCHANGEABLE
GASKET SET
5330-00-424-5456INTERCHANGEABLE
GASKET
16-631
3120-00-656-7260INTERCHANGEABLE
BEARING,WASHER,THRUST
1663-1
5915-00-919-4551INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
SM-B-544657
5306-01-194-4961INTERCHANGEABLE
BOLT,MACHINE
250-16514 PC 18
5995-01-242-6504INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
506-836-04
4320-01-289-7999INTERCHANGEABLE
ROTOR,PUMP
5950-01-480-2110INTERCHANGEABLE
COIL,ELECTRICAL
16631
5365-01-548-4405INTERCHANGEABLE
SPACER SHAMBAN
DPS-4
6515-01-584-1209INTERCHANGEABLE
PLATE SET,BONE,COMPRESSION
105.272

Frequently Asked Questions

What is NSN 4140-00-024-5555?

NSN 4140-00-024-5555 is a Impeller,fan,axial, manufactured by Ashland Electric Products Inc, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-00-024-5555?

NSN 4140-00-024-5555 has 2 cross-referenced part numbers: 1663-1 (Ashland Electric Products Inc), 853569 (Lockheed Martin Corporation Div Rms - Mitchel Field).

What NSN replaces 4140-00-024-5555?

There are 12 known substitutes for 4140-00-024-5555: 5330-00-355-2559, 5330-00-358-7089, 5330-00-383-6096 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1663-1?

Key specifications for 1663-1: Hub Location: BACK; Rotation Direction for Which Designed: COUNTERCLOCKWISE; Attachment Method: COMPRESSION; Special Features: CCW ROTATION; OUTWARD FLOW OF AIR. 8 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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