PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3534Sleeve,shaft,pump

Coffin Turbo Pump Inc · NSN 4320-00-759-5531 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-759-5531 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-759-5531. Primary manufacturer part number: 3534.
Features
  • Sleeve,shaft,pump — FSC 4320
  • Corner Shape: SQUARE ALL CORNERS
  • Body Inside Diameter: 1.3750 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Body Outside Diameter: 1.6420 INCHES NOMINAL IN
  • 5 verified cross-references
  • Primary manufacturer: Coffin Turbo Pump Inc
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Steel Overall construction
General Description

The Sleeve,shaft,pump, cataloged under National Stock Number 4320-00-759-5531, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN4320-00-759-5531
Primary Part Number3534
Item NameSleeve,shaft,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCoffin Turbo Pump Inc
StatusACTIVE
Corner ShapeSQUARE ALL CORNERS
Body Inside Diameter1.3750 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Body Outside Diameter1.6420 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-287-51510605 SZ 3/4 IN INTERCHANGEABLE
Valve,check
Fairbanks Co the
2030-00-287-6950 INTERCHANGEABLE
Winch,boat Davit
2030-00-287-6951 INTERCHANGEABLE
Winch,boat Davit
4410-00-349-7216 INTERCHANGEABLE
Valve,relief
3120-00-353-66073534 INTERCHANGEABLE
Bearing,sleeve
Dresser Industries Inc Leroi Div
2805-00-448-348858-32 INTERCHANGEABLE
Guide,valve Stem
Dresser Industries Inc Leroi Div
5905-00-583-5130 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5935-00-847-2600 INTERCHANGEABLE
Adapter,connector
5961-00-916-0785 INTERCHANGEABLE
Semiconductor Device,diode
5935-01-094-51193534 INTERCHANGEABLE
Adapter,connector
Fluke Electronics Corp
Cross-Reference Index
Part NumberManufacturer
3534 Fmc Corp Turbo Pump Operation (USA)
3534 PRIMARY Coffin Turbo Pump Inc (USA)
3534-74 Fmc Corp Turbo Pump Operation (USA)
3534 Lakewood Systems Ltd (CAN)
3534 Fmc Corp (USA)
Related Parts
4820-00-287-5151INTERCHANGEABLE
VALVE,CHECK
0605 SZ 3/4 IN
2030-00-287-6950INTERCHANGEABLE
WINCH,BOAT DAVIT
2030-00-287-6951INTERCHANGEABLE
WINCH,BOAT DAVIT
4410-00-349-7216INTERCHANGEABLE
VALVE,RELIEF
3120-00-353-6607INTERCHANGEABLE
BEARING,SLEEVE
3534
2805-00-448-3488INTERCHANGEABLE
GUIDE,VALVE STEM
58-32
5905-00-583-5130INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5935-00-847-2600INTERCHANGEABLE
ADAPTER,CONNECTOR
5961-00-916-0785INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5935-01-094-5119INTERCHANGEABLE
ADAPTER,CONNECTOR
3534
4930-01-097-1336INTERCHANGEABLE
DISPENSING PUMP,HAND DRIVEN
3534
4810-01-099-3778INTERCHANGEABLE
STEM,FLUID VALVE
N83351

Frequently Asked Questions

What is NSN 4320-00-759-5531?

NSN 4320-00-759-5531 is a Sleeve,shaft,pump, manufactured by Coffin Turbo Pump Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-759-5531?

NSN 4320-00-759-5531 has 5 cross-referenced part numbers: 3534 (Fmc Corp Turbo Pump Operation), 3534 (Coffin Turbo Pump Inc), 3534-74 (Fmc Corp Turbo Pump Operation), 3534 (Lakewood Systems Ltd), 3534 (Fmc Corp).

What NSN replaces 4320-00-759-5531?

There are 12 known substitutes for 4320-00-759-5531: 4820-00-287-5151, 2030-00-287-6950, 2030-00-287-6951 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3534?

Key specifications for 3534: Corner Shape: SQUARE ALL CORNERS; Special Features: ONE GROOVE MOUNTED DIA 0.250 IN. WIDTH; 0.039 IN. DEPTH IN; Body Inside Diameter: 1.3750 INCHES NOMINAL IN; Material: STEEL OVERALL. 7 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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