PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8WLNSSLocknut,tube Fitting

Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division · NSN 4730-00-727-8913 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-727-8913 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-727-8913. Primary manufacturer part number: 8WLNSS.
Features
  • Locknut,tube Fitting — FSC 4730
  • Width Across Flats: 1.000 INCHES NOMINAL IN
  • Surface Treatment: PASSIVATE OVERALL
  • Nondefinitive Spec/std Data: 25B FIGURE
  • Nut Height: 0.310 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 16
  • Nominal Tube Outside Diameter: 0.500 INCHES IN
  • Specification/standard Data: 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51860 GOVERNMENT STANDARD AND 81349-MIL-F-18866 GOVERNMENT SPECIFICATION
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 4730-00-727-8913, 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 Tube Fittings Division. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-727-8913
Primary Part Number8WLNSS
Item NameLocknut,tube Fitting
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
StatusACTIVE
Width Across Flats1.000 INCHES NOMINAL IN
Surface TreatmentPASSIVATE OVERALL
Nondefinitive Spec/std Data25B FIGURE
Nut Height0.310 INCHES NOMINAL IN
Thread Quantity Per Inch16
Nominal Tube Outside Diameter0.500 INCHES IN
Specification/standard Data81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51860 GOVERNMENT STANDARD AND 81349-MIL-F-18866 GOVERNMENT SPECIFICATION
Nominal Thread Size0.750 INCHES IN
Thread DirectionRIGHT-HAND
MaterialSTEEL OVERALL
Nut StyleTUBE FITTING LOCKNUT
Thread SeriesUN
Thread Class2B
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-01-092-6954 INTERCHANGEABLE
Locknut,tube Fitting
Cross-Reference Index
Part NumberManufacturer
SAE J514 8 070118S Society of Automotive Engineers Inc (USA)
MIL-F-18866 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS51860-56SS Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
11209998-19 Ballistic Missile Defense Systems Command (USA)
8WLNSS PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
8-8 080118S Society of Automotive Engineers Inc (USA)
J514 Society of Automotive Engineers Inc (USA)
8 070118S Society of Automotive Engineers Inc (USA)
4730PL0682689 Jednolity Indeks Materialowy - Uniform Material Index (POL)
8WLNSS Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
8WLNSS Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
Related Parts
4730-01-092-6954INTERCHANGEABLE
LOCKNUT,TUBE FITTING

Frequently Asked Questions

What is NSN 4730-00-727-8913?

NSN 4730-00-727-8913 is a Locknut,tube Fitting, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-727-8913?

NSN 4730-00-727-8913 has 11 cross-referenced part numbers: SAE J514 8 070118S (Society of Automotive Engineers Inc), MIL-F-18866 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS51860-56SS (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 11209998-19 (Ballistic Missile Defense Systems Command), 8WLNSS (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division) and 6 more.

What NSN replaces 4730-00-727-8913?

There is 1 known substitute for 4730-00-727-8913: 4730-01-092-6954. Verify interchangeability with system specifications before substitution.

What are the specifications of 8WLNSS?

Key specifications for 8WLNSS: Width Across Flats: 1.000 INCHES NOMINAL IN; Surface Treatment: PASSIVATE OVERALL; Nondefinitive Spec/std Data: 25B FIGURE; Nut Height: 0.310 INCHES NOMINAL IN. 14 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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