PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B550-225S/CCWImpeller,fan,centrifugal

Revcor Inc · NSN 4140-01-421-3633 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-01-421-3633 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-421-3633. Primary manufacturer part number: B550-225S/CCW.
Features
  • Impeller,fan,centrifugal — FSC 4140
  • 3 verified cross-references
  • Primary manufacturer: Revcor Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Impeller,fan,centrifugal, cataloged under National Stock Number 4140-01-421-3633, 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 Revcor Inc. This item has 3 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.

Catalog Facts
Item NameImpeller,fan,centrifugal
FSC / FSG4140 — No Item Name Available (FSG 41)
ManufacturersEdge Electronics Corporation Dba Mc Intyre Coil (CAGE 87103); Revcor Inc (CAGE 95933)
Technical Specifications
ParameterValue
NSN4140-01-421-3633
Primary Part NumberB550-225S/CCW
Item NameImpeller,fan,centrifugal
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerRevcor Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5331-00-248-384510-3321 INTERCHANGEABLE
O-Ring
Kidde Technologies, Inc Div Kidde Aerospace and Defense
5310-00-261-734000103321 INTERCHANGEABLE
Washer,lock
Rolls-Royce Solutions America Inc
1270-00-397-7471 INTERCHANGEABLE
Positioning Mechanism
5310-00-406-0923103321 INTERCHANGEABLE
Washer,lock
Napco International Llc Dba Napco International Inc
5310-00-419-1819103321 INTERCHANGEABLE
Washer,lock
Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
5310-00-981-2584 INTERCHANGEABLE
Washer
5998-01-329-2521 INTERCHANGEABLE
Circuit Card Assembly
5120-01-331-4148103321 INTERCHANGEABLE
Fixture,brush Setti
Moog Inc.
5310-01-396-3942 INTERCHANGEABLE
Washer,lock
5935-01-472-677313459295-1 INTERCHANGEABLE
Connector,receptacle,electrical
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
89D1 ITEM NO. 81 (V3 TABLE 2) Edge Electronics Corporation Dba Mc Intyre Coil (USA)
B550-225S/CCW PRIMARY Revcor Inc (USA)
103321 Revcor Inc (USA)
Related Parts
5331-00-248-3845INTERCHANGEABLE
O-RING
10-3321
5310-00-261-7340INTERCHANGEABLE
WASHER,LOCK
00103321
1270-00-397-7471INTERCHANGEABLE
POSITIONING MECHANISM
5310-00-406-0923INTERCHANGEABLE
WASHER,LOCK
103321
5310-00-419-1819INTERCHANGEABLE
WASHER,LOCK
103321
5310-00-981-2584INTERCHANGEABLE
WASHER
5998-01-329-2521INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5120-01-331-4148INTERCHANGEABLE
FIXTURE,BRUSH SETTI
103321
5310-01-396-3942INTERCHANGEABLE
WASHER,LOCK
5935-01-472-6773INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
13459295-1
5935-01-472-6785INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
13459295-2
5935-01-472-6794INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
13459295-3

Frequently Asked Questions

What is NSN 4140-01-421-3633?

NSN 4140-01-421-3633 is a Impeller,fan,centrifugal, manufactured by Revcor Inc, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-01-421-3633?

NSN 4140-01-421-3633 has 3 cross-referenced part numbers: 89D1 ITEM NO. 81 (V3 TABLE 2) (Edge Electronics Corporation Dba Mc Intyre Coil), B550-225S/CCW (Revcor Inc), 103321 (Revcor Inc).

What NSN replaces 4140-01-421-3633?

There are 12 known substitutes for 4140-01-421-3633: 5331-00-248-3845, 5310-00-261-7340, 1270-00-397-7471 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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