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NSN 4730-01-018-2168Government record, cited

Reducer, Pipe4730-01-018-2168

NSN 4730-01-018-2168 · NIIN 010182168 · Part number 356-34460
Astec America Inc. · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 08742
Government record, cited
NSN 4730-01-018-2168 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-018-2168. Manufacturer of record part number: 356-34460.
Also searched as  4730-01-018-2168 · 4730010182168 · NIIN 010182168 · 01-018-2168 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 08742 · 356-34460
Nearby stock numbers  ·
Features
  • Reducer,pipe — FSC 4730
  • Connection Style: INVERTED FLARE (PIPE) FIRST END
  • Connection Style: PLAIN (PIPE) SECOND END
  • Nominal Overall Length: 3.500 INCHES IN
  • Connection Type: THREADED EXTERNAL PIPE SECOND END
  • Connection Type: THREADED EXTERNAL PIPE FIRST END
  • Reduced Passage Nominal Inside Diameter: 0.375 INCHES ALL ENDS IN
  • Nominal Thread Size: 0.375 INCHES SECOND END IN
Identification
  • NSN: 4730-01-018-2168
  • NIIN: 010182168
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 356-34460
  • Manufacturer: Astec America Inc.
General Description

The Reducer,pipe, cataloged under National Stock Number 4730-01-018-2168, 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 Astec America Inc.. Government technical data includes 13 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
NSN4730-01-018-2168
Primary Part Number356-34460
Item NameReducer,pipe
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerAstec America Inc.
StatusACTIVE
Connection StyleINVERTED FLARE (PIPE) FIRST END
Connection StylePLAIN (PIPE) SECOND END
Nominal Overall Length3.500 INCHES IN
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Reduced Passage Nominal Inside Diameter0.375 INCHES ALL ENDS IN
Nominal Thread Size0.375 INCHES SECOND END IN
Nominal Thread Size0.500 INCHES FIRST END IN
Seat Angle30.0 DEGREES FIRST END
MaterialSTEEL OVERALL
Thread Series DesignatorNPT SECOND END
Thread Series DesignatorBSP.TR EXT FIRST 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
356-34460 PRIMARY Astec America Inc. (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 4730-01-018-2168?

NSN 4730-01-018-2168 is a Reducer,pipe, manufactured by Astec America Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-018-2168?

NSN 4730-01-018-2168 has 1 manufacturer part number on file: 356-34460 (Astec America Inc.).

What are the specifications of 356-34460?

Key specifications for 356-34460: Connection Style: INVERTED FLARE (PIPE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Nominal Overall Length: 3.500 INCHES IN; Connection Type: THREADED EXTERNAL PIPE SECOND END. 13 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-018-2168 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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