PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22370Diaphragm,steam Turbine Engine

Coffin Turbo Pump Inc · NSN 2825-01-729-3921 · FSC 2825 · No Item Name Available
Verified by PartsTable
NSN 2825-01-729-3921 — this item is cataloged by the U.S. Government under National Stock Number 2825-01-729-3921. Primary manufacturer part number: 22370.
Features
  • Diaphragm,steam Turbine Engine — FSC 2825
  • 1 verified cross-reference
  • Primary manufacturer: Coffin Turbo Pump Inc
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Diaphragm,steam Turbine Engine, cataloged under National Stock Number 2825-01-729-3921, is classified within Federal Supply Class 2825 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Coffin Turbo Pump Inc. This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN2825-01-729-3921
Primary Part Number22370
Item NameDiaphragm,steam Turbine Engine
FSC / FSG2825 / 28 — No Item Name Available
ManufacturerCoffin Turbo Pump Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4720-00-071-168022370 INTERCHANGEABLE
Hose Assembly,metallic
Provision, Inc. Dba Provision Inc
5331-00-297-71067320658 INTERCHANGEABLE
O-Ring
U S Army Tank Automotive Command Amsta-Im-Mm
5950-00-646-2036A2930-9 INTERCHANGEABLE
Transformer,power
Entron Industries Limited Partnership Dba Entron Industries Property Div
4320-00-838-943122370 INTERCHANGEABLE
Impeller,pump,centrifugal
Curtiss-Wright Electro-Mechanical Corporation Div Epd
6515-01-360-213922370 INTERCHANGEABLE
Filter,bacteria,pulmonary Machin
Collins Warren E Inc Dba Ferraris Respiratory Inc
5310-01-386-847322370 INTERCHANGEABLE
Washer,lock
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
22370 PRIMARY Coffin Turbo Pump Inc (USA)
Related Parts
4720-00-071-1680INTERCHANGEABLE
HOSE ASSEMBLY,METALLIC
22370
5331-00-297-7106INTERCHANGEABLE
O-RING
7320658
5950-00-646-2036INTERCHANGEABLE
TRANSFORMER,POWER
A2930-9
4320-00-838-9431INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
22370
6515-01-360-2139INTERCHANGEABLE
FILTER,BACTERIA,PULMONARY MACHIN
22370
5310-01-386-8473INTERCHANGEABLE
WASHER,LOCK
22370

Frequently Asked Questions

What is NSN 2825-01-729-3921?

NSN 2825-01-729-3921 is a Diaphragm,steam Turbine Engine, manufactured by Coffin Turbo Pump Inc, classified under FSC 2825 (No Item Name Available). Status: active.

What are the part numbers for NSN 2825-01-729-3921?

NSN 2825-01-729-3921 has 1 cross-referenced part number: 22370 (Coffin Turbo Pump Inc).

What NSN replaces 2825-01-729-3921?

There are 6 known substitutes for 2825-01-729-3921: 4720-00-071-1680, 5331-00-297-7106, 5950-00-646-2036 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 22370?

Key specifications for 22370: Part Name Assigned by Controlling Agency: TURBINE DIAPHRAGM. 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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