PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9251Wrench,wearing Ring

Coffin Turbo Pump Inc · NSN 4320-00-759-5536 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-759-5536 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-759-5536. Primary manufacturer part number: 9251.
Features
  • Wrench,wearing Ring — FSC 4320
  • General Characteristics Item Description: CONSISTS OF WRENCH AND BUSHING,WRENCH IS 3.437 IN. O/A H,4 IN. OD,10 IN. O/A W,BUSHING IS 4.625 IN. O/A LG,3 IN. OD,4.250 IN. O/A W,ONE END THD,2.875 IN. 8UN THD SIZE IN
  • 2 verified cross-references
  • Primary manufacturer: Coffin Turbo Pump Inc
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Wrench,wearing Ring, cataloged under National Stock Number 4320-00-759-5536, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 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
NSN4320-00-759-5536
Primary Part Number9251
Item NameWrench,wearing Ring
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCoffin Turbo Pump Inc
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF WRENCH AND BUSHING,WRENCH IS 3.437 IN. O/A H,4 IN. OD,10 IN. O/A W,BUSHING IS 4.625 IN. O/A LG,3 IN. OD,4.250 IN. O/A W,ONE END THD,2.875 IN. 8UN THD SIZE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-6184104921 INTERCHANGEABLE
Ball,bearing
Chrysler Realty Company Llc Dba Daimler Chrysler
3110-00-117-0759 INTERCHANGEABLE
Bearing,roller,thrust
5960-00-166-7692 INTERCHANGEABLE
Electron Tube
5330-00-171-3537160115 INTERCHANGEABLE
Gasket
H20 Tank Inc U S Motors Div
6135-00-179-0538540981 INTERCHANGEABLE
Battery,nonrechargeable
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5930-00-242-8427 INTERCHANGEABLE
Switch,toggle
5940-00-552-420540-55-86 INTERCHANGEABLE
Terminal,stud
U S Terminals Inc
5360-00-680-3130 INTERCHANGEABLE
Spring,helical,compression
5998-00-717-6002SM-C-500708 INTERCHANGEABLE
Circuit Card Assembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5310-00-740-6672 INTERCHANGEABLE
Washer
Cross-Reference Index
Part NumberManufacturer
9251 PRIMARY Coffin Turbo Pump Inc (USA)
5586 Fmc Corp (USA)
Related Parts
3110-00-100-6184INTERCHANGEABLE
BALL,BEARING
104921
3110-00-117-0759INTERCHANGEABLE
BEARING,ROLLER,THRUST
5960-00-166-7692INTERCHANGEABLE
ELECTRON TUBE
5330-00-171-3537INTERCHANGEABLE
GASKET
160115
6135-00-179-0538INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
540981
5930-00-242-8427INTERCHANGEABLE
SWITCH,TOGGLE
5940-00-552-4205INTERCHANGEABLE
TERMINAL,STUD
40-55-86
5360-00-680-3130INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5998-00-717-6002INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
SM-C-500708
5310-00-740-6672INTERCHANGEABLE
WASHER
5955-01-024-3816INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
92-5-1
5930-01-035-8631INTERCHANGEABLE
SWITCH,GROUNDING,HAND BRAKE LEVE
9251

Frequently Asked Questions

What is NSN 4320-00-759-5536?

NSN 4320-00-759-5536 is a Wrench,wearing Ring, manufactured by Coffin Turbo Pump Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-759-5536?

NSN 4320-00-759-5536 has 2 cross-referenced part numbers: 9251 (Coffin Turbo Pump Inc), 5586 (Fmc Corp).

What NSN replaces 4320-00-759-5536?

There are 12 known substitutes for 4320-00-759-5536: 3110-00-100-6184, 3110-00-117-0759, 5960-00-166-7692 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9251?

Key specifications for 9251: General Characteristics Item Description: CONSISTS OF WRENCH AND BUSHING,WRENCH IS 3.437 IN. O/A H,4 IN. OD,10 IN. O/A W,BUSHING IS 4.625 IN. O/A LG,3 IN. OD,4.250 IN. O/A W,ONE END THD,2.875 IN. 8UN THD SIZE IN. 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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