PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

350-TSE01-38Locknut,pipe

Parker Hannifin Corporation Dba Pneutronics Div Cylinder Division · NSN 4730-00-678-6165 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-678-6165 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-678-6165. Primary manufacturer part number: 350-TSE01-38.
Features
  • Locknut,pipe — FSC 4730
  • Width Across Flats: 0.875 INCHES NOMINAL IN
  • Thread Series: NPSL
  • Surface Treatment: CADMIUM OVERALL
  • Thread Quantity Per Inch: 18
  • Thread Class: 2B
  • Nut Style: PIPE LOCKNUT
  • Packing Recess Depth: 0.107 INCHES NOMINAL IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Locknut,pipe, cataloged under National Stock Number 4730-00-678-6165, 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 Parker Hannifin Corporation Dba Pneutronics Div Cylinder Division. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-678-6165
Primary Part Number350-TSE01-38
Item NameLocknut,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker Hannifin Corporation Dba Pneutronics Div Cylinder Division
StatusACTIVE
Width Across Flats0.875 INCHES NOMINAL IN
Thread SeriesNPSL
Surface TreatmentCADMIUM OVERALL
Thread Quantity Per Inch18
Thread Class2B
Nut StylePIPE LOCKNUT
Packing Recess Depth0.107 INCHES NOMINAL IN
Packing Recess Diameter0.750 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Nut Height0.266 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Nominal Thread Size0.375 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4730-00-531-5499 INTERCHANGEABLE
Locknut,pipe
4730-00-670-6031350-TSE01-25 INTERCHANGEABLE
Seal Nut,pipe
Parker Hannifin Corporation Dba Pneutronics Div Cylinder Division
4730-00-670-6033 INTERCHANGEABLE
Seal Nut,pipe
4730-00-813-72622600Z-1 INTERCHANGEABLE
Seal Nut,pipe
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
4730-00-832-5670 INTERCHANGEABLE
Locknut,pipe
Cross-Reference Index
Part NumberManufacturer
4730006786165 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
350-TSE01-38 Parker-Hannifin Corporation Div Cylinder Division (USA)
8764825 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
350-TSE01-38 PRIMARY Parker Hannifin Corporation Dba Pneutronics Div Cylinder Division (USA)
8764823 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
4730-00-531-5499INTERCHANGEABLE
LOCKNUT,PIPE
4730-00-670-6031INTERCHANGEABLE
SEAL NUT,PIPE
350-TSE01-25
4730-00-670-6033INTERCHANGEABLE
SEAL NUT,PIPE
4730-00-813-7262INTERCHANGEABLE
SEAL NUT,PIPE
2600Z-1
4730-00-832-5670INTERCHANGEABLE
LOCKNUT,PIPE

Frequently Asked Questions

What is NSN 4730-00-678-6165?

NSN 4730-00-678-6165 is a Locknut,pipe, manufactured by Parker Hannifin Corporation Dba Pneutronics Div Cylinder Division, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-678-6165?

NSN 4730-00-678-6165 has 5 cross-referenced part numbers: 4730006786165 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 350-TSE01-38 (Parker-Hannifin Corporation Div Cylinder Division), 8764825 (U S Army Tank Automotive Command Amsta-Im-Mm), 350-TSE01-38 (Parker Hannifin Corporation Dba Pneutronics Div Cylinder Division), 8764823 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 4730-00-678-6165?

There are 5 known substitutes for 4730-00-678-6165: 4730-00-531-5499, 4730-00-670-6031, 4730-00-670-6033 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 350-TSE01-38?

Key specifications for 350-TSE01-38: Width Across Flats: 0.875 INCHES NOMINAL IN; Thread Series: NPSL; Surface Treatment: CADMIUM OVERALL; Thread Quantity Per Inch: 18. 12 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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