PartsTable TECHNICAL DATA SHEET
NSN 4730-00-200-0407Government record, cited

Reducer, Tube4730-00-200-0407

NSN 4730-00-200-0407 · NIIN 002000407 · Part number 133B235
General Electric Company · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 07482
Government record, cited
NSN 4730-00-200-0407 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-200-0407. Manufacturer of record part number: 133B235.
Also searched as  4730-00-200-0407 · 4730002000407 · NIIN 002000407 · 00-200-0407 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 07482 · 133B235
Nearby stock numbers  ·
Features
  • Reducer,tube — FSC 4730
  • Connection Style: FLARED (TUBE) ALL ENDS
  • Nominal Overall Length: 1.800 INCHES IN
  • Connection Type: THREADED EXTERNAL TUBE ALL ENDS
  • Nominal Outside Diameter Tube Accommodated: 0.250 INCHES SECOND END IN
  • Nominal Outside Diameter Tube Accommodated: 0.750 INCHES FIRST END IN
  • Nominal Thread Size: 0.438 INCHES SECOND END IN
  • Nominal Thread Size: 1.062 INCHES FIRST END IN
Identification
  • NSN: 4730-00-200-0407
  • NIIN: 002000407
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 133B235
  • Manufacturer: General Electric Company
General Description

The Reducer,tube, cataloged under National Stock Number 4730-00-200-0407, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is General Electric Company. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-200-0407
Primary Part Number133B235
Item NameReducer,tube
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerGeneral Electric Company
StatusACTIVE
Connection StyleFLARED (TUBE) ALL ENDS
Nominal Overall Length1.800 INCHES IN
Connection TypeTHREADED EXTERNAL TUBE ALL ENDS
Nominal Outside Diameter Tube Accommodated0.250 INCHES SECOND END IN
Nominal Outside Diameter Tube Accommodated0.750 INCHES FIRST END IN
Nominal Thread Size0.438 INCHES SECOND END IN
Nominal Thread Size1.062 INCHES FIRST END IN
Seat Angle37.0 DEGREES ALL ENDS
Surface TreatmentANODIZE OVERALL
Thread Class2A ALL ENDS A
Thread Quantity Per Inch12 FIRST END
MaterialALUMINUM ALLOY OVERALL
Thread Series DesignatorUN FIRST END
Thread Series DesignatorUNF SECOND END
Reducer TypeCONCENTRIC
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
133B235 PRIMARY General Electric Company (USA)
133B235 General Electric Company (USA)
No interchangeability data on file.
Other items in FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895
4730-00-000-1895 · Item name not on file
4730-00-000-4289
4730-00-000-4289 · Item name not on file
4730-00-000-4445
4730-00-000-4445 · Item name not on file
4730-00-000-8373
4730-00-000-8373 · Item name not on file
4730-00-000-8897
4730-00-000-8897 · Item name not on file
4730-00-001-0007
4730-00-001-0007 · Item name not on file
4730-00-001-0008
COUPLING,TUBE
4730-00-001-0008
COUPLING,TUBE

Frequently Asked Questions

What is NSN 4730-00-200-0407?

NSN 4730-00-200-0407 is a Reducer,tube, manufactured by General Electric Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-00-200-0407?

NSN 4730-00-200-0407 has 2 manufacturer part numbers on file: 133B235 (General Electric Company), 133B235 (General Electric Company).

What are the specifications of 133B235?

Key specifications for 133B235: Connection Style: FLARED (TUBE) ALL ENDS; Nominal Overall Length: 1.800 INCHES IN; Connection Type: THREADED EXTERNAL TUBE ALL ENDS; Nominal Outside Diameter Tube Accommodated: 0.250 INCHES SECOND END IN. 15 specifications are documented in the U.S. Government catalog.

Is NSN 4730-00-200-0407 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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