PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74028Pump,centrifugal

Hdt Expeditionary Systems Inc · NSN 4320-01-084-4085 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-084-4085 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-084-4085. Primary manufacturer part number: 74028.
Features
  • Pump,centrifugal — FSC 4320
  • 5 verified cross-references
  • Primary manufacturer: Hdt Expeditionary Systems Inc
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,centrifugal, cataloged under National Stock Number 4320-01-084-4085, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Hdt Expeditionary Systems Inc. This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4320-01-084-4085
Primary Part Number74028
Item NamePump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerHdt Expeditionary Systems Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5815-00-127-202574028 INTERCHANGEABLE
Cylinder
Telemechanics Inc
2510-00-220-190974028 INTERCHANGEABLE
Shock Absorber,lever Action
Tenneco Inc
6625-00-309-74550021-117 INTERCHANGEABLE
Cover,electrical-Electronic Test
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5360-01-342-306174028 INTERCHANGEABLE
Spring,helical,compression
Parker-Hannifin Corporation Dba Control Systems Division
Cross-Reference Index
Part NumberManufacturer
74028 Keco Industries, Inc. (USA)
55779-3 Hdt Expeditionary Systems Inc (USA)
74028 PRIMARY Hdt Expeditionary Systems Inc (USA)
55779-3 Drs Environmental Systems Inc (USA)
55779-3 Keco Industries, Inc. (USA)
Related Parts
5815-00-127-2025INTERCHANGEABLE
CYLINDER
74028
2510-00-220-1909INTERCHANGEABLE
SHOCK ABSORBER,LEVER ACTION
74028
6625-00-309-7455INTERCHANGEABLE
COVER,ELECTRICAL-ELECTRONIC TEST
0021-117
5360-01-342-3061INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
74028

Frequently Asked Questions

What is NSN 4320-01-084-4085?

NSN 4320-01-084-4085 is a Pump,centrifugal, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 4320 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4320-01-084-4085?

NSN 4320-01-084-4085 has 5 cross-referenced part numbers: 74028 (Keco Industries, Inc.), 55779-3 (Hdt Expeditionary Systems Inc), 74028 (Hdt Expeditionary Systems Inc), 55779-3 (Drs Environmental Systems Inc), 55779-3 (Keco Industries, Inc.).

What NSN replaces 4320-01-084-4085?

There are 4 known substitutes for 4320-01-084-4085: 5815-00-127-2025, 2510-00-220-1909, 6625-00-309-7455 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 74028?

Key specifications for 74028: End Item Identification: HEATER,TRAILER MOUNTED HDU-13/M. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4320-01-084-4085 still in active supply?

NSN 4320-01-084-4085 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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