PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21214Impeller and Shaft Assembly

Industrial Technologies and Services Llc · NSN 4320-01-321-9257 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-321-9257 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-321-9257. Primary manufacturer part number: 21214.
Features
  • Impeller and Shaft Assembly — FSC 4320
  • General Characteristics Item Description: INCLUDES BRONZE IMPELLER,STAINLESS STEEL SHAFT,AND 1/4 IN.BRONZE PIN IN
  • 1 verified cross-reference
  • Primary manufacturer: Industrial Technologies and Services Llc
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Impeller and Shaft Assembly, cataloged under National Stock Number 4320-01-321-9257, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Industrial Technologies and Services Llc. 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-321-9257
Primary Part Number21214
Item NameImpeller and Shaft Assembly
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerIndustrial Technologies and Services Llc
StatusACTIVE
General Characteristics Item DescriptionINCLUDES BRONZE IMPELLER,STAINLESS STEEL SHAFT,AND 1/4 IN.BRONZE PIN IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5120-00-226-56065120-00-226-5606 INTERCHANGEABLE
Bit,screwdriver
General Services Administration Federal Supply Service
5950-01-019-5354989112-77B INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
3040-01-417-846221214-1003-1 INTERCHANGEABLE
Shaft,shouldered
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-419-160521214-001 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
5950-01-444-429821214 INTERCHANGEABLE
Transformer,power
Giga-Tronics Incorporated Dba Giga-Tronics
5365-01-523-072521214-1008-1 INTERCHANGEABLE
Spacer,sleeve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
5855-01-564-628221214 INTERCHANGEABLE
Viewer,night Vision
Micro Times
3815-01-631-9735 INTERCHANGEABLE
Cable Wedge
4820-01-727-8521 INTERCHANGEABLE
Valve Assembly
Cross-Reference Index
Part NumberManufacturer
21214 PRIMARY Industrial Technologies and Services Llc (USA)
Related Parts
5120-00-226-5606INTERCHANGEABLE
BIT,SCREWDRIVER
5120-00-226-5606
5950-01-019-5354INTERCHANGEABLE
COIL,RADIO FREQUENCY
989112-77B
3040-01-417-8462INTERCHANGEABLE
SHAFT,SHOULDERED
21214-1003-1
4820-01-419-1605INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21214-001
5950-01-444-4298INTERCHANGEABLE
TRANSFORMER,POWER
21214
5365-01-523-0725INTERCHANGEABLE
SPACER,SLEEVE
21214-1008-1
5855-01-564-6282INTERCHANGEABLE
VIEWER,NIGHT VISION
21214
3815-01-631-9735INTERCHANGEABLE
CABLE WEDGE
4820-01-727-8521INTERCHANGEABLE
VALVE ASSEMBLY

Frequently Asked Questions

What is NSN 4320-01-321-9257?

NSN 4320-01-321-9257 is a Impeller and Shaft Assembly, manufactured by Industrial Technologies and Services Llc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-321-9257?

NSN 4320-01-321-9257 has 1 cross-referenced part number: 21214 (Industrial Technologies and Services Llc).

What NSN replaces 4320-01-321-9257?

There are 9 known substitutes for 4320-01-321-9257: 5120-00-226-5606, 5950-01-019-5354, 3040-01-417-8462 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21214?

Key specifications for 21214: General Characteristics Item Description: INCLUDES BRONZE IMPELLER,STAINLESS STEEL SHAFT,AND 1/4 IN.BRONZE PIN 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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