PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21267Impeller,fan,centrifugal

R.w. Beckett Corporation Div Beckett Energy Systems · NSN 4140-01-398-8938 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-01-398-8938 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-398-8938. Primary manufacturer part number: 21267.
Features
  • Impeller,fan,centrifugal — FSC 4140
  • Diameter: 6.750 INCHES NOMINAL IN
  • Width: 3.125 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: R.w. Beckett Corporation Div Beckett Energy Systems
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Impeller,fan,centrifugal, cataloged under National Stock Number 4140-01-398-8938, 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 R.w. Beckett Corporation Div Beckett Energy Systems. Government technical data includes 2 verified specifications, 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4140-01-398-8938
Primary Part Number21267
Item NameImpeller,fan,centrifugal
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerR.w. Beckett Corporation Div Beckett Energy Systems
StatusACTIVE
Diameter6.750 INCHES NOMINAL IN
Width3.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5330-00-020-7746 INTERCHANGEABLE
Seal,plain
4210-00-025-1413 INTERCHANGEABLE
Housing,spring,reli
5360-00-200-6358 INTERCHANGEABLE
Spring,helical,compression
5330-00-286-7060450121 INTERCHANGEABLE
Seal,plain Encased
Federal-Mogul Corp Government Sales Dept
6105-01-110-7695 INTERCHANGEABLE
Motor,alternating Current
6550-01-234-5062 INTERCHANGEABLE
Culture Medium,chocolate Agar Wi
4820-01-244-843921267 PIECE 4 INTERCHANGEABLE
Seat,valve
Crane Co Div Valve Div
4820-01-245-133121267 INTERCHANGEABLE
Valve,gate
Crane Co Div Valve Div
4810-01-273-372121267 INTERCHANGEABLE
Valve,linear,directional Control
Mark Industries
Cross-Reference Index
Part NumberManufacturer
21267 R.w. Beckett Corporation Div Beckett Energy Systems (USA)
Related Parts
5330-00-020-7746INTERCHANGEABLE
SEAL,PLAIN
4210-00-025-1413INTERCHANGEABLE
HOUSING,SPRING,RELI
5360-00-200-6358INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5330-00-286-7060INTERCHANGEABLE
SEAL,PLAIN ENCASED
450121
6105-01-110-7695INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
6550-01-234-5062INTERCHANGEABLE
CULTURE MEDIUM,CHOCOLATE AGAR WI
4820-01-244-8439INTERCHANGEABLE
SEAT,VALVE
21267 PIECE 4
4820-01-245-1331INTERCHANGEABLE
VALVE,GATE
21267
4810-01-273-3721INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21267

Frequently Asked Questions

What is NSN 4140-01-398-8938?

NSN 4140-01-398-8938 is a Impeller,fan,centrifugal, manufactured by R.w. Beckett Corporation Div Beckett Energy Systems, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-01-398-8938?

NSN 4140-01-398-8938 has 1 cross-referenced part number: 21267 (R.w. Beckett Corporation Div Beckett Energy Systems).

What NSN replaces 4140-01-398-8938?

There are 9 known substitutes for 4140-01-398-8938: 5330-00-020-7746, 4210-00-025-1413, 5360-00-200-6358 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21267?

Key specifications for 21267: Diameter: 6.750 INCHES NOMINAL IN; Width: 3.125 INCHES NOMINAL IN. 2 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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