PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E-665 PIECE 7,8Gear Rotor Set,rotary Pump

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-01-221-8930 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-221-8930 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-221-8930. Primary manufacturer part number: E-665 PIECE 7,8.
Features
  • Gear Rotor Set,rotary Pump — FSC 4320
  • Nonsupply Items and Quantities: DRIVE GEAR,1; DRIVEN GEAR,1
  • End Item Source: 63857
  • End Item Name: ROTARY PUMP
  • Component Quantity: 2
  • 3 verified cross-references
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Power transmission and speed reduction
  • Rotary motion transfer
General Description

The Gear Rotor Set,rotary Pump, cataloged under National Stock Number 4320-01-221-8930, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 4 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-221-8930
Primary Part NumberE-665 PIECE 7,8
Item NameGear Rotor Set,rotary Pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Nonsupply Items and QuantitiesDRIVE GEAR,1; DRIVEN GEAR,1
End Item Source63857
End Item NameROTARY PUMP
Component Quantity2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-01-183-3438E665 INTERCHANGEABLE
Bearing,ball,annular
Mpb Corp Div Timken Super Precision
3040-01-191-4162017B0508K081A INTERCHANGEABLE
Shaft,shouldered
Circor Naval Solutions Llc Dba Warren Pumps
4320-01-191-427434-87-163 INTERCHANGEABLE
Gland,split
Circor Naval Solutions Llc Dba Warren Pumps
4320-01-191-427633-114-61 INTERCHANGEABLE
Gland,seal
Circor Naval Solutions Llc Dba Warren Pumps
4320-01-191-889927-128-132 INTERCHANGEABLE
Housing,liquid Pump
Circor Naval Solutions Llc Dba Warren Pumps
Cross-Reference Index
Part NumberManufacturer
D10-80REAA8A AND D10-80REAA8D Circor Naval Solutions Llc Dba Warren Pumps (USA)
E-665 PIECE 7,8 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
E-665 Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
3110-01-183-3438INTERCHANGEABLE
BEARING,BALL,ANNULAR
E665
3040-01-191-4162INTERCHANGEABLE
SHAFT,SHOULDERED
017B0508K081A
4320-01-191-4274INTERCHANGEABLE
GLAND,SPLIT
34-87-163
4320-01-191-4276INTERCHANGEABLE
GLAND,SEAL
33-114-61
4320-01-191-8899INTERCHANGEABLE
HOUSING,LIQUID PUMP
27-128-132

Frequently Asked Questions

What is NSN 4320-01-221-8930?

NSN 4320-01-221-8930 is a Gear Rotor Set,rotary Pump, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-221-8930?

NSN 4320-01-221-8930 has 3 cross-referenced part numbers: D10-80REAA8A AND D10-80REAA8D (Circor Naval Solutions Llc Dba Warren Pumps), E-665 PIECE 7,8 (Circor Naval Solutions Llc Dba Warren Pumps), E-665 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-01-221-8930?

There are 5 known substitutes for 4320-01-221-8930: 3110-01-183-3438, 3040-01-191-4162, 4320-01-191-4274 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of E-665 PIECE 7,8?

Key specifications for E-665 PIECE 7,8: Nonsupply Items and Quantities: DRIVE GEAR,1; DRIVEN GEAR,1; End Item Source: 63857; Special Features: CAST IRON PER QQ-I-652; End Item Name: ROTARY PUMP. 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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