PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41-1040Rotor,pump

Welch Vacuum Technology Inc · NSN 4320-01-222-0340 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-222-0340 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-222-0340. Primary manufacturer part number: 41-1040.
Features
  • Rotor,pump — FSC 4320
  • 3 verified cross-references
  • Primary manufacturer: Welch Vacuum Technology Inc
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Rotor,pump, cataloged under National Stock Number 4320-01-222-0340, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Welch Vacuum Technology Inc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-222-0340
Primary Part Number41-1040
Item NameRotor,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerWelch Vacuum Technology Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5920-00-280-3478FUF9 INTERCHANGEABLE
Fuse,cartridge
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3030-00-528-4529511-0037 INTERCHANGEABLE
Belt,v
Cummins Power Generation Inc.
5815-01-074-1695411040 INTERCHANGEABLE
Teletypewriter Subassembly
Telemechanics Inc
Cross-Reference Index
Part NumberManufacturer
41-1040 Sargent-Welch Scientific Co Vacuum Products (USA)
41-1040 PRIMARY Welch Vacuum Technology Inc (USA)
41-1040 Sargent-Welch Scientific Co (USA)
Related Parts
5920-00-280-3478INTERCHANGEABLE
FUSE,CARTRIDGE
FUF9
3030-00-528-4529INTERCHANGEABLE
BELT,V
511-0037
5815-01-074-1695INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
411040

Frequently Asked Questions

What is NSN 4320-01-222-0340?

NSN 4320-01-222-0340 is a Rotor,pump, manufactured by Welch Vacuum Technology Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-222-0340?

NSN 4320-01-222-0340 has 3 cross-referenced part numbers: 41-1040 (Sargent-Welch Scientific Co Vacuum Products), 41-1040 (Welch Vacuum Technology Inc), 41-1040 (Sargent-Welch Scientific Co).

What NSN replaces 4320-01-222-0340?

There are 3 known substitutes for 4320-01-222-0340: 5920-00-280-3478, 3030-00-528-4529, 5815-01-074-1695. Verify interchangeability with system specifications before substitution.

What are the specifications of 41-1040?

Key specifications for 41-1040: End Item Identification: SARGENT-WELCH SCIENTIFIC CO MODEL 1399. 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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