PartsTable TECHNICAL DATA SHEET
NSN 4730-01-474-6940Government record, cited

Reducer, Tube4730-01-474-6940

NSN 4730-01-474-6940 · NIIN 014746940 · Part number 12460438
U S Army Tank Automotive Command Amsta-Im-Mm · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 19207
Government record, cited
NSN 4730-01-474-6940 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-474-6940. Manufacturer of record part number: 12460438.
Also searched as  4730-01-474-6940 · 4730014746940 · NIIN 014746940 · 01-474-6940 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 19207 · 12460438
Nearby stock numbers  ·
Features
  • Reducer,tube — FSC 4730
  • Connection Style: MULTI-GROOVED (HOSE) SECOND END
  • Connection Style: BEVELED (TUBE) FIRST END
  • Nominal Overall Length: 1.130 INCHES IN
  • Connection Type: UNTHREADED EXTERNAL TUBE SECOND END
  • Connection Type: BUTT WELD TUBE FIRST END
  • Nominal Outside Diameter Tube Accommodated: 0.405 INCHES FIRST END IN
  • Nominal Outside Diameter Tube Accommodated: 0.197 INCHES SECOND END IN
Identification
  • NSN: 4730-01-474-6940
  • NIIN: 014746940
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 12460438
  • Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
General Description

The Reducer,tube, cataloged under National Stock Number 4730-01-474-6940, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-474-6940
Primary Part Number12460438
Item NameReducer,tube
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Connection StyleMULTI-GROOVED (HOSE) SECOND END
Connection StyleBEVELED (TUBE) FIRST END
Nominal Overall Length1.130 INCHES IN
Connection TypeUNTHREADED EXTERNAL TUBE SECOND END
Connection TypeBUTT WELD TUBE FIRST END
Nominal Outside Diameter Tube Accommodated0.405 INCHES FIRST END IN
Nominal Outside Diameter Tube Accommodated0.197 INCHES SECOND END IN
MaterialCOPPER ALLOY OVERALL
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
12460438 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (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 4730-01-474-6940?

NSN 4730-01-474-6940 is a Reducer,tube, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-474-6940?

NSN 4730-01-474-6940 has 1 manufacturer part number on file: 12460438 (U S Army Tank Automotive Command Amsta-Im-Mm).

What are the specifications of 12460438?

Key specifications for 12460438: Connection Style: MULTI-GROOVED (HOSE) SECOND END; Connection Style: BEVELED (TUBE) FIRST END; Nominal Overall Length: 1.130 INCHES IN; Connection Type: UNTHREADED EXTERNAL TUBE SECOND END. 9 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-474-6940 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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