PartsTable TECHNICAL DATA SHEET
NSN 4730-01-129-5236Government record, cited

Restrictor, Fluid Flow4730-01-129-5236

NSN 4730-01-129-5236 · NIIN 011295236 · Part number 1B48158-1
The Boeing Company · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 18355
Government record, cited
NSN 4730-01-129-5236 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-129-5236. Manufacturer of record part number: 1B48158-1.
Also searched as  4730-01-129-5236 · 4730011295236 · NIIN 011295236 · 01-129-5236 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 18355 · 1B48158-1 · 1B48158 · 10108666 · JEHA1872450L
Nearby stock numbers  ·
Features
  • Restrictor,fluid Flow — FSC 4730
  • Length: 0.800 INCHES NOMINAL IN
  • Thread Provision: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED
  • Design Type: TUBULAR
  • Outside Diameter: 0.1867 INCHES MINIMUM AND 0.1874 INCHES MAXIMUM IN
  • Material: STEEL CORROSION RESISTING
  • Orifice Diameter: 0.024 INCHES NOMINAL IN
  • 1 manufacturer part number on file
Identification
  • NSN: 4730-01-129-5236
  • NIIN: 011295236
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 1B48158-1
  • Manufacturer: The Boeing Company
General Description

The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-129-5236, 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. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-129-5236
Primary Part Number1B48158-1
Item NameRestrictor,fluid Flow
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerThe Boeing Company
StatusACTIVE
Length0.800 INCHES NOMINAL IN
Thread ProvisionUNTHREADED LOCATION NOT OTHERWISE SPECIFIED
Design TypeTUBULAR
Outside Diameter0.1867 INCHES MINIMUM AND 0.1874 INCHES MAXIMUM IN
MaterialSTEEL CORROSION RESISTING
Orifice Diameter0.024 INCHES NOMINAL IN
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
1B48158-1 The Boeing Company (USA)
Reference documents
ReferenceMeaning
1B48158 D/9 Drawing number reference only
The Boeing Company
10108666 6/9 Informative reference only
Nimikkeistokeskus Ncb Finland
JEHA1872450L 3/2 Design control — primary reference
U.S. Government activity
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 4730-01-129-5236?

NSN 4730-01-129-5236 is a Restrictor,fluid Flow, manufactured by The Boeing Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-129-5236?

NSN 4730-01-129-5236 has 1 manufacturer part number on file: 1B48158-1 (The Boeing Company).

What are the specifications of 1B48158-1?

Key specifications for 1B48158-1: Length: 0.800 INCHES NOMINAL IN; Thread Provision: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED; Design Type: TUBULAR; Outside Diameter: 0.1867 INCHES MINIMUM AND 0.1874 INCHES MAXIMUM IN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-129-5236 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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