PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

33348 2INLocknut,tube Fitting

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4730-01-131-7729 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-131-7729 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-131-7729. Primary manufacturer part number: 33348 2IN.
Features
  • Locknut,tube Fitting — FSC 4730
  • Thread Direction: RIGHT-HAND
  • Width Across Flats: 1.062 INCHES NOMINAL IN
  • Thread Class: 2B
  • Material: STEEL OVERALL
  • Thread Series: UNF
  • Surface Treatment: CADMIUM OVERALL
  • Nominal Thread Size: 0.750 INCHES IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Locknut,tube Fitting, cataloged under National Stock Number 4730-01-131-7729, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-131-7729
Primary Part Number33348 2IN
Item NameLocknut,tube Fitting
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Thread DirectionRIGHT-HAND
Width Across Flats1.062 INCHES NOMINAL IN
Thread Class2B
MaterialSTEEL OVERALL
Thread SeriesUNF
Surface TreatmentCADMIUM OVERALL
Nominal Thread Size0.750 INCHES IN
Nut Height0.406 INCHES NOMINAL IN
Thread Quantity Per Inch16
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5330-00-912-7196 INTERCHANGEABLE
Gasket
5340-01-088-9714A35539 INTERCHANGEABLE
Seat,helical Compression Spring
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-088-971550278-41-75 INTERCHANGEABLE
Bottom Cap,complete,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
5340-01-089-087635540 2IN INTERCHANGEABLE
Seat,helical Compression Spring
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-092-836751229 2IN INTERCHANGEABLE
Stem,fluid Valve
Leslie Controls, Inc. Dba Leslie Controls Inc
5365-01-093-262051227 2IN INTERCHANGEABLE
Spacer,diaphragm,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-096-1673N51230 INTERCHANGEABLE
Stem,fluid Valve
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
33348 2IN PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
19909N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
19909N PIECE 10 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
19909NPIECE10 2IN PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5330-00-912-7196INTERCHANGEABLE
GASKET
5340-01-088-9714INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
A35539
4820-01-088-9715INTERCHANGEABLE
BOTTOM CAP,COMPLETE,VALVE
50278-41-75
5340-01-089-0876INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
35540 2IN
4820-01-092-8367INTERCHANGEABLE
STEM,FLUID VALVE
51229 2IN
5365-01-093-2620INTERCHANGEABLE
SPACER,DIAPHRAGM,VALVE
51227 2IN
4820-01-096-1673INTERCHANGEABLE
STEM,FLUID VALVE
N51230

Frequently Asked Questions

What is NSN 4730-01-131-7729?

NSN 4730-01-131-7729 is a Locknut,tube Fitting, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-131-7729?

NSN 4730-01-131-7729 has 4 cross-referenced part numbers: 33348 2IN (Leslie Controls, Inc. Dba Leslie Controls Inc), 19909N (Leslie Controls, Inc. Dba Leslie Controls Inc), 19909N PIECE 10 (Leslie Controls, Inc. Dba Leslie Controls Inc), 19909NPIECE10 2IN (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4730-01-131-7729?

There are 7 known substitutes for 4730-01-131-7729: 5330-00-912-7196, 5340-01-088-9714, 4820-01-088-9715 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 33348 2IN?

Key specifications for 33348 2IN: Thread Direction: RIGHT-HAND; Width Across Flats: 1.062 INCHES NOMINAL IN; Thread Class: 2B; Material: STEEL OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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