PartsTable TECHNICAL DATA SHEET
NSN 4730-01-352-0195Government record, cited

Restrictor, Fluid Flow4730-01-352-0195

NSN 4730-01-352-0195 · NIIN 013520195 · Part number UA538951-345
Triumph Thermal Systems, Llc · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 78943
Government record, cited
NSN 4730-01-352-0195 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-352-0195. Manufacturer of record part number: UA538951-345.
Also searched as  4730-01-352-0195 · 4730013520195 · NIIN 013520195 · 01-352-0195 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 78943 · UA538951-345
Nearby stock numbers  ·
Features
  • Restrictor,fluid Flow — FSC 4730
  • Length: 1.375 INCHES NOMINAL IN
  • Thread Provision: THREADED LOCATION NOT OTHERWISE SPECIFIED
  • Design Type: TUBULAR, HEX SHAPE
  • Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF) LOCATION NOT OTHERWISE SPECIFIED
  • Thread Length: 0.469 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
  • Outside Diameter: 0.375 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
Identification
  • NSN: 4730-01-352-0195
  • NIIN: 013520195
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: UA538951-345
  • Manufacturer: Triumph Thermal Systems, Llc
General Description

The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-352-0195, 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 Triumph Thermal Systems, Llc. Government technical data includes 10 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
NSN4730-01-352-0195
Primary Part NumberUA538951-345
Item NameRestrictor,fluid Flow
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerTriumph Thermal Systems, Llc
StatusACTIVE
Length1.375 INCHES NOMINAL IN
Thread ProvisionTHREADED LOCATION NOT OTHERWISE SPECIFIED
Design TypeTUBULAR, HEX SHAPE
Thread SeriesUNIFIED NATIONAL JOINT FINE (UNJF) LOCATION NOT OTHERWISE SPECIFIED
Thread Length0.469 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Outside Diameter0.375 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
Thread Size Designator9/16-18 LOCATION NOT OTHERWISE SPECIFIED
MaterialALUMINUM ALLOY 6061
Orifice Diameter0.064 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
UA538951-345 PRIMARY Triumph Thermal Systems, Llc (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 4730-01-352-0195?

NSN 4730-01-352-0195 is a Restrictor,fluid Flow, manufactured by Triumph Thermal Systems, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-352-0195?

NSN 4730-01-352-0195 has 1 manufacturer part number on file: UA538951-345 (Triumph Thermal Systems, Llc).

What are the specifications of UA538951-345?

Key specifications for UA538951-345: Length: 1.375 INCHES NOMINAL IN; Thread Provision: THREADED LOCATION NOT OTHERWISE SPECIFIED; Design Type: TUBULAR, HEX SHAPE; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF) LOCATION NOT OTHERWISE SPECIFIED. 10 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-352-0195 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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