PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3911516Impeller,pump,centrifugal

Sicard a Division of Smi-Snowblast Inc Dba Sicard · NSN 4320-00-392-4873 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-392-4873 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-392-4873. Primary manufacturer part number: 3911516.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Rotation Direction for Which Designed: CLOCKWISE
  • Blade Quantity: 6
  • Overall Diameter: 18.125 INCHES NOMINAL IN
  • Design Type: SINGLE WIDTH
  • Blade Type: FORWARD CURVE
  • 4 verified cross-references
  • Primary manufacturer: Sicard a Division of Smi-Snowblast Inc Dba Sicard
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-392-4873, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Sicard a Division of Smi-Snowblast Inc Dba Sicard. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN4320-00-392-4873
Primary Part Number3911516
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerSicard a Division of Smi-Snowblast Inc Dba Sicard
StatusACTIVE
Rotation Direction for Which DesignedCLOCKWISE
Blade Quantity6
Overall Diameter18.125 INCHES NOMINAL IN
Design TypeSINGLE WIDTH
Blade TypeFORWARD CURVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3455-00-187-2561 INTERCHANGEABLE
File,rotary
5133-00-236-4059 INTERCHANGEABLE
Drill,twist
5365-00-335-932411516 INTERCHANGEABLE
Plug,machine Thread
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
3120-00-356-3499SC-B-69877 INTERCHANGEABLE
Bearing,sleeve
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2520-00-388-4197M279X INTERCHANGEABLE
Spider,universal Joint,vehicular
Meritor Heavy Vehicle Systems, Llc
5930-00-627-7463 INTERCHANGEABLE
Switch,push
6125-00-988-583946-355 INTERCHANGEABLE
Motor-Generator
L3harris Maritime Power & Energy Solutions, Inc
5330-01-168-9169G4-7-15 INTERCHANGEABLE
Retainer,packing
Todd Combustion Inc
5355-01-223-6715115-16 INTERCHANGEABLE
Knob
Robert H Wager Co Inc
5970-01-253-683715-16 INTERCHANGEABLE
Insulator,electrical
Motorola Automotive Electronics
Cross-Reference Index
Part NumberManufacturer
11516 Sicard a Division of Smi-Snowblast Inc Dba Sicard (USA)
31-11516 Sweepster Attachments, Llc (USA)
3911516 PRIMARY Sicard a Division of Smi-Snowblast Inc Dba Sicard (USA)
31-3911516 Sweepster Attachments, Llc (USA)
Related Parts
3455-00-187-2561INTERCHANGEABLE
FILE,ROTARY
5133-00-236-4059INTERCHANGEABLE
DRILL,TWIST
5365-00-335-9324INTERCHANGEABLE
PLUG,MACHINE THREAD
11516
3120-00-356-3499INTERCHANGEABLE
BEARING,SLEEVE
SC-B-69877
2520-00-388-4197INTERCHANGEABLE
SPIDER,UNIVERSAL JOINT,VEHICULAR
M279X
5930-00-627-7463INTERCHANGEABLE
SWITCH,PUSH
6125-00-988-5839INTERCHANGEABLE
MOTOR-GENERATOR
46-355
5330-01-168-9169INTERCHANGEABLE
RETAINER,PACKING
G4-7-15
5355-01-223-6715INTERCHANGEABLE
KNOB
115-16
5970-01-253-6837INTERCHANGEABLE
INSULATOR,ELECTRICAL
15-16
4440-01-352-3689INTERCHANGEABLE
DEHUMIDIFIER,DESICCANT,ELECTRIC
DDH-10
5120-01-397-3295INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 4320-00-392-4873?

NSN 4320-00-392-4873 is a Impeller,pump,centrifugal, manufactured by Sicard a Division of Smi-Snowblast Inc Dba Sicard, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-392-4873?

NSN 4320-00-392-4873 has 4 cross-referenced part numbers: 11516 (Sicard a Division of Smi-Snowblast Inc Dba Sicard), 31-11516 (Sweepster Attachments, Llc), 3911516 (Sicard a Division of Smi-Snowblast Inc Dba Sicard), 31-3911516 (Sweepster Attachments, Llc).

What NSN replaces 4320-00-392-4873?

There are 12 known substitutes for 4320-00-392-4873: 3455-00-187-2561, 5133-00-236-4059, 5365-00-335-9324 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3911516?

Key specifications for 3911516: Rotation Direction for Which Designed: CLOCKWISE; Blade Quantity: 6; Overall Diameter: 18.125 INCHES NOMINAL IN; Design Type: SINGLE WIDTH. 6 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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