PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1000779Pump,rotary

Concentric Rockford Inc · NSN 4320-01-220-5655 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-220-5655 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-220-5655. Primary manufacturer part number: 1000779.
Features
  • Pump,rotary — FSC 4320
  • Intake Connection Quantity: 1
  • Intake Connection Type: THREADED INTERNAL
  • Discharge Connection Thread Size and Series/type Designator: 0.750-16 UNF
  • Discharge Connection Quantity: 1
  • Pump Rotation Direction: CLOCKWISE
  • Discharge Connection Type: THREADED INTERNAL
  • Operation Method: POWERED
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,rotary, cataloged under National Stock Number 4320-01-220-5655, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Concentric Rockford Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, 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
NSN4320-01-220-5655
Primary Part Number1000779
Item NamePump,rotary
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerConcentric Rockford Inc
StatusACTIVE
Intake Connection Quantity1
Intake Connection TypeTHREADED INTERNAL
Discharge Connection Thread Size and Series/type Designator0.750-16 UNF
Discharge Connection Quantity1
Pump Rotation DirectionCLOCKWISE
Discharge Connection TypeTHREADED INTERNAL
Operation MethodPOWERED
Intake Connection Thread Size and Series/type Designator0.875-14 UNF
Operating Speed at Rated Capacity1725.0 REVOLUTIONS PER MINUTE
Maximum Discharge Flow Rate2.3 GALLONS PER MINUTE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4320-01-248-8839GA1024D0B0-1721 INTERCHANGEABLE
Pump,rotary
Concentric Rockford Inc
5305-01-360-10055P-8347 INTERCHANGEABLE
Screw,cap,hexagon Head
Caterpillar Inc Div Caterpillar Defense
5999-01-394-13131000779 INTERCHANGEABLE
Cooler,air,electronic Equipment
Autotest Co
Cross-Reference Index
Part NumberManufacturer
GA1024D080-1721 Concentric Rockford Inc (USA)
1000779 PRIMARY Concentric Rockford Inc (USA)
GA1024D0B01721 Concentric Rockford Inc (USA)
Related Parts
4320-01-248-8839INTERCHANGEABLE
PUMP,ROTARY
GA1024D0B0-1721
5305-01-360-1005INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5P-8347
5999-01-394-1313INTERCHANGEABLE
COOLER,AIR,ELECTRONIC EQUIPMENT
1000779

Frequently Asked Questions

What is NSN 4320-01-220-5655?

NSN 4320-01-220-5655 is a Pump,rotary, manufactured by Concentric Rockford Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-220-5655?

NSN 4320-01-220-5655 has 3 cross-referenced part numbers: GA1024D080-1721 (Concentric Rockford Inc), 1000779 (Concentric Rockford Inc), GA1024D0B01721 (Concentric Rockford Inc).

What NSN replaces 4320-01-220-5655?

There are 3 known substitutes for 4320-01-220-5655: 4320-01-248-8839, 5305-01-360-1005, 5999-01-394-1313. Verify interchangeability with system specifications before substitution.

What are the specifications of 1000779?

Key specifications for 1000779: Intake Connection Quantity: 1; Intake Connection Type: THREADED INTERNAL; Discharge Connection Thread Size and Series/type Designator: 0.750-16 UNF; Discharge Connection Quantity: 1. 10 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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