PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

99121660Pump,rotary

Alfa Laval Inc · NSN 4320-00-163-1070 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-163-1070 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-163-1070. Primary manufacturer part number: 99121660.
Features
  • Pump,rotary — FSC 4320
  • Rotary Pump Design: GEAR
  • Operation Method: POWERED
  • Discharge Connection Type: OVAL FLANGE
  • Rotary Pump Design: GEAR
  • Drive Shaft Type: PLAIN ROUND
  • Drive Shaft End Diameter: 0.688 INCHES NOMINAL IN
  • Drive Connection Type: SPUR GEAR
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,rotary, cataloged under National Stock Number 4320-00-163-1070, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Alfa Laval Inc. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-163-1070
Primary Part Number99121660
Item NamePump,rotary
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerAlfa Laval Inc
StatusACTIVE
Rotary Pump DesignGEAR
Operation MethodPOWERED
Discharge Connection TypeOVAL FLANGE
Rotary Pump DesignGEAR
Drive Shaft TypePLAIN ROUND
Drive Shaft End Diameter0.688 INCHES NOMINAL IN
Drive Connection TypeSPUR GEAR
Pump Rotation DirectionCLOCKWISE
Drive Shaft Length1.688 INCHES NOMINAL IN
Media for Which DesignedHYDROCARBON FUELS AND OILS
Drive Shaft TypePLAIN ROUND
Drive Shaft End Diameter0.688 INCHES NOMINAL IN
Maximum Discharge Flow Rate1.7 GALLONS PER MINUTE
Discharge Connection Quantity1
Intake Connection TypeOVAL FLANGE
Pump Rotation DirectionCLOCKWISE
Drive Shaft Length1.688 INCHES NOMINAL IN
Operation MethodPOWERED
Intake Connection Quantity1
Pumping Element Operating PositionHORIZONTAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6680-00-217-8673 INTERCHANGEABLE
Gage Rod,liquid Level
8145-00-300-426521160 INTERCHANGEABLE
Shipping and Storag
L3harris Technologies, Inc. Div Space and Airborne Systems
3805-00-447-357921660 INTERCHANGEABLE
Line Assembly
Komatsu America Corporation
5915-00-501-4554 INTERCHANGEABLE
Filter,radio Frequency Interfere
5360-01-171-607721660 INTERCHANGEABLE
Spring
Forenta Lp
5305-01-188-04895740572 INTERCHANGEABLE
Screw Assy.,vent
United States Energy Corporation Dba United States Energy Corp
6680-01-267-0590NW21660 INTERCHANGEABLE
Indicator,liquid Quantity
Tld Wollard Llc
5945-01-349-039321-660 INTERCHANGEABLE
Relay,solid State
Te Connectivity Corporation
4720-01-434-7946 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-01-579-291821660 INTERCHANGEABLE
Hose Assembly,nonmetallic
Ritchie Engineering Co Inc
Cross-Reference Index
Part NumberManufacturer
99121660 PRIMARY Alfa Laval Inc (USA)
21660 Alfa Laval Inc (USA)
Related Parts
6680-00-217-8673INTERCHANGEABLE
GAGE ROD,LIQUID LEVEL
8145-00-300-4265INTERCHANGEABLE
SHIPPING AND STORAG
21160
3805-00-447-3579INTERCHANGEABLE
LINE ASSEMBLY
21660
5915-00-501-4554INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
5360-01-171-6077INTERCHANGEABLE
SPRING
21660
5305-01-188-0489INTERCHANGEABLE
SCREW ASSY.,VENT
5740572
6680-01-267-0590INTERCHANGEABLE
INDICATOR,LIQUID QUANTITY
NW21660
5945-01-349-0393INTERCHANGEABLE
RELAY,SOLID STATE
21-660
4720-01-434-7946INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-01-579-2918INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
21660

Frequently Asked Questions

What is NSN 4320-00-163-1070?

NSN 4320-00-163-1070 is a Pump,rotary, manufactured by Alfa Laval Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-163-1070?

NSN 4320-00-163-1070 has 2 cross-referenced part numbers: 99121660 (Alfa Laval Inc), 21660 (Alfa Laval Inc).

What NSN replaces 4320-00-163-1070?

There are 10 known substitutes for 4320-00-163-1070: 6680-00-217-8673, 8145-00-300-4265, 3805-00-447-3579 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 99121660?

Key specifications for 99121660: Rotary Pump Design: GEAR; Operation Method: POWERED; Discharge Connection Type: OVAL FLANGE; Rotary Pump Design: GEAR. 20 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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