PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5227606Reducer,tube

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 4730-00-350-4437 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-350-4437 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-350-4437. Primary manufacturer part number: 5227606.
Features
  • Reducer,tube — FSC 4730
  • Seat Angle: 53.0 DEGREES SECOND END
  • Connection Style: PLAIN (TUBE) FIRST END
  • Thread Class: 3A SECOND END A
  • Nominal Outside Diameter Tube Accommodated: 0.250 INCHES SECOND END IN
  • Connection Type: THREADED EXTERNAL TUBE SECOND END
  • Reducer Type: CONCENTRIC
  • Connection Style: FLARED (TUBE) SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Reducer,tube, cataloged under National Stock Number 4730-00-350-4437, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-350-4437
Primary Part Number5227606
Item NameReducer,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusCANCELLED
Seat Angle53.0 DEGREES SECOND END
Connection StylePLAIN (TUBE) FIRST END
Thread Class3A SECOND END A
Nominal Outside Diameter Tube Accommodated0.250 INCHES SECOND END IN
Connection TypeTHREADED EXTERNAL TUBE SECOND END
Reducer TypeCONCENTRIC
Connection StyleFLARED (TUBE) SECOND END
Thread Series DesignatorUNF SECOND END
Nominal Thread Size0.438 INCHES SECOND END IN
Nominal Overall Length1.766 INCHES IN
Nominal Outside Diameter Tube Accommodated0.625 INCHES FIRST END IN
Connection TypeUNTHREADED INTERNAL TUBE FIRST END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
2940-00-470-123851269 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
5330-00-573-0065 INTERCHANGEABLE
Gasket
5330-00-613-8719 INTERCHANGEABLE
Gasket
5995-00-933-183825898G1 INTERCHANGEABLE
Cable Assembly,radio Frequency
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
1650-01-018-094425899 INTERCHANGEABLE
Coil Assembly,valve
Hydro-Aire Aerospace Corp
5365-01-121-5218 INTERCHANGEABLE
Spacer,tappet
5365-01-320-10935227606 INTERCHANGEABLE
Spacer,sleeve
Chrysler Corp Service and Parts Opns
5905-01-573-2243 INTERCHANGEABLE
Resistor,fixed,film
Cross-Reference Index
Part NumberManufacturer
7002794 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
25899 Kidde-Fenwal, Llc (USA)
5227606 Fnss Savunma Sistemleri Anonim Sirketi (TUR)
4730003504437 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
608763 General Motors Corp (USA)
25898 Kidde-Fenwal, Llc (USA)
5227606 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
P725 Fmc Corp (USA)
Related Parts
2940-00-470-1238INTERCHANGEABLE
FILTER ELEMENT,FLUID
51269
5330-00-573-0065INTERCHANGEABLE
GASKET
5330-00-613-8719INTERCHANGEABLE
GASKET
5995-00-933-1838INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
25898G1
1650-01-018-0944INTERCHANGEABLE
COIL ASSEMBLY,VALVE
25899
5365-01-121-5218INTERCHANGEABLE
SPACER,TAPPET
5365-01-320-1093INTERCHANGEABLE
SPACER,SLEEVE
5227606
5905-01-573-2243INTERCHANGEABLE
RESISTOR,FIXED,FILM

Frequently Asked Questions

What is NSN 4730-00-350-4437?

NSN 4730-00-350-4437 is a Reducer,tube, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-350-4437?

NSN 4730-00-350-4437 has 8 cross-referenced part numbers: 7002794 (U S Army Tank Automotive Command Amsta-Im-Mm), 25899 (Kidde-Fenwal, Llc), 5227606 (Fnss Savunma Sistemleri Anonim Sirketi), 4730003504437 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 608763 (General Motors Corp) and 3 more.

What NSN replaces 4730-00-350-4437?

There are 8 known substitutes for 4730-00-350-4437: 2940-00-470-1238, 5330-00-573-0065, 5330-00-613-8719 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5227606?

Key specifications for 5227606: Seat Angle: 53.0 DEGREES SECOND END; Connection Style: PLAIN (TUBE) FIRST END; Thread Class: 3A SECOND END A; Nominal Outside Diameter Tube Accommodated: 0.250 INCHES SECOND END IN. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-350-4437 still in active supply?

NSN 4730-00-350-4437 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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