PartsTable TECHNICAL DATA SHEET
NSN 4730-01-348-6271Government record, cited

Reducer, Tube4730-01-348-6271

NSN 4730-01-348-6271 · NIIN 013486271 · Part number 5547838
Naval Sea Systems Command · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 53711
Government record, cited
NSN 4730-01-348-6271 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-348-6271. Manufacturer of record part number: 5547838.
Also searched as  4730-01-348-6271 · 4730013486271 · NIIN 013486271 · 01-348-6271 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 53711 · 5547838
Nearby stock numbers  ·
Features
  • Reducer,tube — FSC 4730
  • Nominal Overall Length: 0.975 INCHES IN
  • Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS
  • Material Document and Classification: ASTM-14582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Material: STEEL COMP 303 OVERALL
  • Reducer Type: CONCENTRIC
  • 1 manufacturer part number on file
Identification
  • NSN: 4730-01-348-6271
  • NIIN: 013486271
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 5547838
  • Manufacturer: Naval Sea Systems Command
General Description

The Reducer,tube, cataloged under National Stock Number 4730-01-348-6271, 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 Naval Sea Systems Command. Government technical data includes 6 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
NSN4730-01-348-6271
Primary Part Number5547838
Item NameReducer,tube
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerNaval Sea Systems Command
StatusACTIVE
Nominal Overall Length0.975 INCHES IN
Connection TypeUNTHREADED INTERNAL TUBE ALL ENDS
Material Document and ClassificationASTM-14582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
MaterialSTEEL COMP 303 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
5547838 PRIMARY Naval Sea Systems Command (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 4730-01-348-6271?

NSN 4730-01-348-6271 is a Reducer,tube, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-348-6271?

NSN 4730-01-348-6271 has 1 manufacturer part number on file: 5547838 (Naval Sea Systems Command).

What are the specifications of 5547838?

Key specifications for 5547838: Nominal Overall Length: 0.975 INCHES IN; Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS; Material Document and Classification: ASTM-14582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment: PASSIVATE OVERALL. 6 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-348-6271 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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