PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H-7860ITEM73Impeller,pump,centrifugal

Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture · NSN 4320-01-287-6254 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-287-6254 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-287-6254. Primary manufacturer part number: H-7860ITEM73.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • 4 verified cross-references
  • Primary manufacturer: Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-287-6254, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture. Government technical data includes 2 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-287-6254
Primary Part NumberH-7860ITEM73
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerDresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-120-43381269682 INTERCHANGEABLE
Roller,bearing
Chrysler Realty Company Llc Dba Daimler Chrysler
6625-00-562-7958245-1038P1 INTERCHANGEABLE
Ammeter
Raytheon Company Div Corp
4320-00-627-260231-0010 INTERCHANGEABLE
Parts Kit,rotary Pump
Hamilton Sundstrand Corporation
5305-00-816-655923100-10 INTERCHANGEABLE
Thumbscrew
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
6750-01-124-2587 INTERCHANGEABLE
Ammonium Hydroxide,photographic
4730-01-496-9973310010-200 INTERCHANGEABLE
Swivel Joint,pipe
Oil States Industries, Inc. Div Special Products Div
5307-01-659-8143310010 INTERCHANGEABLE
Stud,continuous Thread
Macs Custom Tiedowns Inc
5985-01-690-25793100/10 INTERCHANGEABLE
Antenna
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
Cross-Reference Index
Part NumberManufacturer
H-7860ITEM73 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
310010 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
310010 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
H-7862ITEM73 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
Related Parts
3110-00-120-4338INTERCHANGEABLE
ROLLER,BEARING
1269682
6625-00-562-7958INTERCHANGEABLE
AMMETER
245-1038P1
4320-00-627-2602INTERCHANGEABLE
PARTS KIT,ROTARY PUMP
31-0010
5305-00-816-6559INTERCHANGEABLE
THUMBSCREW
23100-10
6750-01-124-2587INTERCHANGEABLE
AMMONIUM HYDROXIDE,PHOTOGRAPHIC
4730-01-496-9973INTERCHANGEABLE
SWIVEL JOINT,PIPE
310010-200
5307-01-659-8143INTERCHANGEABLE
STUD,CONTINUOUS THREAD
310010
5985-01-690-2579INTERCHANGEABLE
ANTENNA
3100/10

Frequently Asked Questions

What is NSN 4320-01-287-6254?

NSN 4320-01-287-6254 is a Impeller,pump,centrifugal, manufactured by Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-287-6254?

NSN 4320-01-287-6254 has 4 cross-referenced part numbers: H-7860ITEM73 (Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture), 310010 (Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand), 310010 (Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture), H-7862ITEM73 (Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand).

What NSN replaces 4320-01-287-6254?

There are 8 known substitutes for 4320-01-287-6254: 3110-00-120-4338, 6625-00-562-7958, 4320-00-627-2602 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H-7860ITEM73?

Key specifications for H-7860ITEM73: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS. 2 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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