PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9508Impeller,pump,centrifugal

Coffin Turbo Pump Inc · NSN 4320-00-773-7594 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-773-7594 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-773-7594. Primary manufacturer part number: 9508.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Design Type: SINGLE WIDTH
  • Material: COPPER ALLOY
  • Blade Quantity: 7
  • Hub Projection Length Beyond Wheel Side: 0.430 INCHES NOMINAL IN
  • Hub Quantity: 1
  • Overall Diameter: 10.320 INCHES NOMINAL IN
  • Hub Bore Diameter: 8.595 INCHES NOMINAL IN
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Copper Alloy construction
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-773-7594, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Coffin Turbo Pump Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-773-7594
Primary Part Number9508
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCoffin Turbo Pump Inc
StatusACTIVE
Design TypeSINGLE WIDTH
MaterialCOPPER ALLOY
Blade Quantity7
Hub Projection Length Beyond Wheel Side0.430 INCHES NOMINAL IN
Hub Quantity1
Overall Diameter10.320 INCHES NOMINAL IN
Hub Bore Diameter8.595 INCHES NOMINAL IN
Rotation Direction for Which DesignedCLOCKWISE
Hub Length0.430 INCHES NOMINAL IN
Hub LocationBACK SIDE
Blade TypeBACKWARD CURVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1620-00-024-6345 INTERCHANGEABLE
Plug,check Valve Steering
3110-00-107-7555 INTERCHANGEABLE
Bearing,ball,annular
5999-00-197-22883420A INTERCHANGEABLE
Heat Sink,electrical-Electronic
Cts Electronic Components (california) Inc Dba Ierc Div Cts Electronic Components
3020-00-239-38789508 INTERCHANGEABLE
Gear,spur
Cummins Inc.
7810-00-241-3357 INTERCHANGEABLE
Swivel,striking Bag
3040-00-510-92529508 INTERCHANGEABLE
Shaft,shouldered
Beseler, Charles Co Inc
5310-00-582-5676MS15795-209 INTERCHANGEABLE
Washer,flat
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5905-00-782-831193J5K6 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
2530-00-797-929511480 INTERCHANGEABLE
Air Filter,brake Li
Haldex Brake Products Corporation
5930-00-828-7849 INTERCHANGEABLE
Switch,push
Cross-Reference Index
Part NumberManufacturer
9508 PRIMARY Coffin Turbo Pump Inc (USA)
4444 Fmc Corp Turbo Pump Operation (USA)
9508 Fmc Corp Turbo Pump Operation (USA)
Related Parts
1620-00-024-6345INTERCHANGEABLE
PLUG,CHECK VALVE STEERING
3110-00-107-7555INTERCHANGEABLE
BEARING,BALL,ANNULAR
5999-00-197-2288INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
3420A
3020-00-239-3878INTERCHANGEABLE
GEAR,SPUR
9508
7810-00-241-3357INTERCHANGEABLE
SWIVEL,STRIKING BAG
3040-00-510-9252INTERCHANGEABLE
SHAFT,SHOULDERED
9508
5310-00-582-5676INTERCHANGEABLE
WASHER,FLAT
MS15795-209
5905-00-782-8311INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
93J5K6
2530-00-797-9295INTERCHANGEABLE
AIR FILTER,BRAKE LI
11480
5930-00-828-7849INTERCHANGEABLE
SWITCH,PUSH
5315-00-877-5024INTERCHANGEABLE
PIN,CLUTCH SHOE
9508
5915-00-919-0012INTERCHANGEABLE
NETWORK,PULSE FORMING
9992193

Frequently Asked Questions

What is NSN 4320-00-773-7594?

NSN 4320-00-773-7594 is a Impeller,pump,centrifugal, manufactured by Coffin Turbo Pump Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-773-7594?

NSN 4320-00-773-7594 has 3 cross-referenced part numbers: 9508 (Coffin Turbo Pump Inc), 4444 (Fmc Corp Turbo Pump Operation), 9508 (Fmc Corp Turbo Pump Operation).

What NSN replaces 4320-00-773-7594?

There are 12 known substitutes for 4320-00-773-7594: 1620-00-024-6345, 3110-00-107-7555, 5999-00-197-2288 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9508?

Key specifications for 9508: Design Type: SINGLE WIDTH; Material: COPPER ALLOY; Blade Quantity: 7; Hub Projection Length Beyond Wheel Side: 0.430 INCHES NOMINAL IN. 13 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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