PartsTable TECHNICAL DATA SHEET
NSN 4730-01-142-3679Government record, cited

Elbow, Tube4730-01-142-3679

NSN 4730-01-142-3679 · NIIN 011423679 · Part number 68A552191-2001
The Boeing Company Div Defense · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 76301
Government record, cited
NSN 4730-01-142-3679 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-142-3679. Manufacturer of record part number: 68A552191-2001.
Also searched as  4730-01-142-3679 · 4730011423679 · NIIN 011423679 · 01-142-3679 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 76301 · 68A552191-2001
Nearby stock numbers  ·
Features
  • Elbow,tube — FSC 4730
  • Flow Angle: 90.0 DEGREES
  • Connection Style: FLARED (TUBE) SECOND END
  • Connection Style: PLAIN (TUBE) FIRST END
  • Connection Type: UNTHREADED INTERNAL TUBE FIRST END
  • Connection Type: THREADED EXTERNAL TUBE SECOND END
  • Nominal Outside Diameter Tube Accommodated: 0.562 INCHES SECOND END IN
  • Nominal Outside Diameter Tube Accommodated: 0.543 INCHES FIRST END IN
Identification
  • NSN: 4730-01-142-3679
  • NIIN: 011423679
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 68A552191-2001
  • Manufacturer: The Boeing Company Div Defense
General Description

The Elbow,tube, cataloged under National Stock Number 4730-01-142-3679, 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 The Boeing Company Div Defense. 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
NSN4730-01-142-3679
Primary Part Number68A552191-2001
Item NameElbow,tube
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
Flow Angle90.0 DEGREES
Connection StyleFLARED (TUBE) SECOND END
Connection StylePLAIN (TUBE) FIRST END
Connection TypeUNTHREADED INTERNAL TUBE FIRST END
Connection TypeTHREADED EXTERNAL TUBE SECOND END
Nominal Outside Diameter Tube Accommodated0.562 INCHES SECOND END IN
Nominal Outside Diameter Tube Accommodated0.543 INCHES FIRST END IN
Leg Length2.310 INCHES NOMINAL SECOND END IN
Leg Length1.000 INCHES NOMINAL FIRST END IN
Nominal Thread Size0.562 INCHES SECOND END IN
Seat Angle37.0 DEGREES SECOND END
Thread Class3A SECOND END A
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF) SECOND END
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
68A552191-2001 PRIMARY The Boeing Company Div Defense (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 4730-01-142-3679?

NSN 4730-01-142-3679 is a Elbow,tube, manufactured by The Boeing Company Div Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-142-3679?

NSN 4730-01-142-3679 has 1 manufacturer part number on file: 68A552191-2001 (The Boeing Company Div Defense).

What are the specifications of 68A552191-2001?

Key specifications for 68A552191-2001: Flow Angle: 90.0 DEGREES; Connection Style: FLARED (TUBE) SECOND END; Connection Style: PLAIN (TUBE) FIRST END; Connection Type: UNTHREADED INTERNAL TUBE FIRST END. 13 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-142-3679 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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