PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18185Diaphragm,pump,special Shaped

Coffin Turbo Pump Inc · NSN 4310-01-516-9446 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-01-516-9446 — this item is cataloged by the U.S. Government under National Stock Number 4310-01-516-9446. Primary manufacturer part number: 18185.
Features
  • Diaphragm,pump,special Shaped — FSC 4310
  • 2 verified cross-references
  • Primary manufacturer: Coffin Turbo Pump Inc
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Diaphragm,pump,special Shaped, cataloged under National Stock Number 4310-01-516-9446, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Coffin Turbo Pump Inc. This item has 2 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
NSN4310-01-516-9446
Primary Part Number18185
Item NameDiaphragm,pump,special Shaped
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerCoffin Turbo Pump Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5305-00-532-780518185 INTERCHANGEABLE
Screw,machine
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5961-00-934-2999 INTERCHANGEABLE
Transistor
6615-01-014-199318185 INTERCHANGEABLE
Control,altitude,automatic Pilot
Elbitamerica, Inc.
5815-01-169-0182 INTERCHANGEABLE
Holder,tape Guide
6515-01-572-453918185 INTERCHANGEABLE
Accelerator,lr White Resin
Ted Pella, Inc. Dba Ted Pella Inc
Cross-Reference Index
Part NumberManufacturer
SKE-755 ITEM NO. X8 Coffin Turbo Pump Inc (USA)
18185 PRIMARY Coffin Turbo Pump Inc (USA)
Related Parts
5305-00-532-7805INTERCHANGEABLE
SCREW,MACHINE
18185
5961-00-934-2999INTERCHANGEABLE
TRANSISTOR
6615-01-014-1993INTERCHANGEABLE
CONTROL,ALTITUDE,AUTOMATIC PILOT
18185
5815-01-169-0182INTERCHANGEABLE
HOLDER,TAPE GUIDE
6515-01-572-4539INTERCHANGEABLE
ACCELERATOR,LR WHITE RESIN
18185

Frequently Asked Questions

What is NSN 4310-01-516-9446?

NSN 4310-01-516-9446 is a Diaphragm,pump,special Shaped, manufactured by Coffin Turbo Pump Inc, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-01-516-9446?

NSN 4310-01-516-9446 has 2 cross-referenced part numbers: SKE-755 ITEM NO. X8 (Coffin Turbo Pump Inc), 18185 (Coffin Turbo Pump Inc).

What NSN replaces 4310-01-516-9446?

There are 5 known substitutes for 4310-01-516-9446: 5305-00-532-7805, 5961-00-934-2999, 6615-01-014-1993 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18185?

Key specifications for 18185: Special Features: CXCY:OUTER PUMP DIAPHRAGM. MATERIAL: STAINLESS STEEL, ASTM A743, GRADE CA-15.; End Item Identification: PUMP,CENTRIFUGAL. 2 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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