PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55-454-1Reducer,tube

Dana Corp Spicer Transmission Div · NSN 4730-00-202-9539 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-202-9539 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-202-9539. Primary manufacturer part number: 55-454-1.
Features
  • Reducer,tube — FSC 4730
  • 41 verified cross-references
  • Primary manufacturer: Dana Corp Spicer Transmission Div
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Reducer,tube, cataloged under National Stock Number 4730-00-202-9539, 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 Dana Corp Spicer Transmission Div. This item has 41 commercial cross-references from 29 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameReducer,tube
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersCorbitt Co Inc (CAGE 72260); Diamond Reo Truck Co (CAGE 56442); Oshkosh Corp (CAGE 45152); Oshkosh Defense Llc (CAGE 75Q65); Fwd Seagrave Holdings Lp (CAGE 23382)
Technical Specifications
ParameterValue
NSN4730-00-202-9539
Primary Part Number55-454-1
Item NameReducer,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDana Corp Spicer Transmission Div
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6680-00-033-6339 INTERCHANGEABLE
Sleeve Gear,speedometer
1350-00-038-6250554541 INTERCHANGEABLE
Case
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3110-00-156-7549319696-553 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5307-00-373-8749203-12 INTERCHANGEABLE
Stud,plain
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
1265-00-381-63171357027 INTERCHANGEABLE
Gear Head Assy
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4420-00-468-0045 INTERCHANGEABLE
Head,oil Cooler
6220-00-535-2788 INTERCHANGEABLE
Stop Light-Taillight,vehicular
4720-00-541-88592556-12 INTERCHANGEABLE
Hose,nonmetallic
Danfoss Power Solutions II, Llc
5950-00-556-2628129-8-1 INTERCHANGEABLE
Reactor
Kearfott Corporation Div Guidance and Navigation Division
5815-00-568-224578744 INTERCHANGEABLE
Plunger
Telemechanics Inc
Cross-Reference Index
Part NumberManufacturer
78744 Corbitt Co Inc (USA)
DX5611 Diamond Reo Truck Co (USA)
166JX Oshkosh Corp (USA)
166JX Oshkosh Defense Llc (USA)
12981 Fwd Seagrave Holdings Lp (USA)
15913HA Navistar Intl Corp Truck Br Ohio Plant (USA)
3A0137B Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA)
796722C1 Navistar Intl Corp Truck Br Ohio Plant (USA)
927241 Am General Llc (USA)
7331521 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
902724 Sasco Inc Canadian Div
16B8112 Napco International Llc Dba Napco International Inc (USA)
55-454-1 Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products (USA)
083065 Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA)
78744 Stewart-Warner Corporation (USA)
A167650 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
01-2515 Pettibone Llc (USA)
3A2137B Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA)
N1716 Diamond Reo Truck Co (USA)
A10298X Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA)
Related Parts
6680-00-033-6339INTERCHANGEABLE
SLEEVE GEAR,SPEEDOMETER
1350-00-038-6250INTERCHANGEABLE
CASE
554541
3110-00-156-7549INTERCHANGEABLE
BEARING,BALL,ANNULAR
319696-553
5307-00-373-8749INTERCHANGEABLE
STUD,PLAIN
203-12
1265-00-381-6317INTERCHANGEABLE
GEAR HEAD ASSY
1357027
4420-00-468-0045INTERCHANGEABLE
HEAD,OIL COOLER
6220-00-535-2788INTERCHANGEABLE
STOP LIGHT-TAILLIGHT,VEHICULAR
4720-00-541-8859INTERCHANGEABLE
HOSE,NONMETALLIC
2556-12
5950-00-556-2628INTERCHANGEABLE
REACTOR
129-8-1
5815-00-568-2245INTERCHANGEABLE
PLUNGER
78744
5360-00-754-4676INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
78744
1730-00-779-4064INTERCHANGEABLE
HANDLE ASSEMBLY,DOU
915-143

Frequently Asked Questions

What is NSN 4730-00-202-9539?

NSN 4730-00-202-9539 is a Reducer,tube, manufactured by Dana Corp Spicer Transmission Div, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-202-9539?

NSN 4730-00-202-9539 has 41 cross-referenced part numbers: 78744 (Corbitt Co Inc), DX5611 (Diamond Reo Truck Co), 166JX (Oshkosh Corp), 166JX (Oshkosh Defense Llc), 12981 (Fwd Seagrave Holdings Lp) and 36 more.

What NSN replaces 4730-00-202-9539?

There are 12 known substitutes for 4730-00-202-9539: 6680-00-033-6339, 1350-00-038-6250, 3110-00-156-7549 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 4730-00-202-9539 still in active supply?

NSN 4730-00-202-9539 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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