PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2904700Impeller,pump,centrifugal

W S Darley & Co Div Darley Pump Division · NSN 4320-01-327-6057 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-327-6057 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-327-6057. Primary manufacturer part number: 2904700.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • 4 verified cross-references
  • Primary manufacturer: W S Darley & Co Div Darley Pump Division
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-327-6057, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is W S Darley & Co Div Darley Pump Division. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-327-6057
Primary Part Number2904700
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerW S Darley & Co Div Darley Pump Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2940-00-141-9025 INTERCHANGEABLE
Filter Element,fluid
3120-00-218-4177L21 INTERCHANGEABLE
Bearing,sleeve
Circor Naval Solutions Llc Dba Warren Pumps
6695-00-256-7943L2-1 INTERCHANGEABLE
Meter Movement
Phaostron Instrument and Electronic Company
2940-00-382-8003L21 INTERCHANGEABLE
Line
Honeywell International Inc Dba Honeywell Div Consumer Products Group
5340-00-610-5044L2-1 INTERCHANGEABLE
Clamp,synchro
Roller Bearing Co of America, Inc Div Pic Design
5340-01-174-84448478A41H01 INTERCHANGEABLE
Clamp,synchro
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Cross-Reference Index
Part NumberManufacturer
2904700 PRIMARY W S Darley & Co Div Darley Pump Division (USA)
L21 W S Darley & Co Div Darley Pump Division (USA)
001656T Kovatch Corp. (USA)
L21 W S Darley & Co (USA)
Related Parts
2940-00-141-9025INTERCHANGEABLE
FILTER ELEMENT,FLUID
3120-00-218-4177INTERCHANGEABLE
BEARING,SLEEVE
L21
6695-00-256-7943INTERCHANGEABLE
METER MOVEMENT
L2-1
2940-00-382-8003INTERCHANGEABLE
LINE
L21
5340-00-610-5044INTERCHANGEABLE
CLAMP,SYNCHRO
L2-1
5340-01-174-8444INTERCHANGEABLE
CLAMP,SYNCHRO
8478A41H01

Frequently Asked Questions

What is NSN 4320-01-327-6057?

NSN 4320-01-327-6057 is a Impeller,pump,centrifugal, manufactured by W S Darley & Co Div Darley Pump Division, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-327-6057?

NSN 4320-01-327-6057 has 4 cross-referenced part numbers: 2904700 (W S Darley & Co Div Darley Pump Division), L21 (W S Darley & Co Div Darley Pump Division), 001656T (Kovatch Corp.), L21 (W S Darley & Co).

What NSN replaces 4320-01-327-6057?

There are 6 known substitutes for 4320-01-327-6057: 2940-00-141-9025, 3120-00-218-4177, 6695-00-256-7943 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2904700?

Key specifications for 2904700: End Item Identification: PUMP,MODEL P10. 1 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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