PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TRU-SEAL 3-4Seal Nut,pipe

Parker-Hannifin Corporation Div Cylinder Division · NSN 4730-01-013-9963 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-013-9963 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-013-9963. Primary manufacturer part number: TRU-SEAL 3-4.
Features
  • Seal Nut,pipe — FSC 4730
  • Thread Direction: RIGHT-HAND
  • Nut Height: 0.266 INCHES NOMINAL IN
  • Width Across Flats: 1.3125 INCHES NOMINAL IN
  • Surface Treatment: PASSIVATE OVERALL
  • Thread Series: NPT
  • Nut Style: PIPE SEAL NUT
  • Nominal Thread Size: 0.750 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
General Description

The Seal Nut,pipe, cataloged under National Stock Number 4730-01-013-9963, 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 Div Cylinder Division. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-01-013-9963
Primary Part NumberTRU-SEAL 3-4
Item NameSeal Nut,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker-Hannifin Corporation Div Cylinder Division
StatusCANCELLED
Thread DirectionRIGHT-HAND
Nut Height0.266 INCHES NOMINAL IN
Width Across Flats1.3125 INCHES NOMINAL IN
Surface TreatmentPASSIVATE OVERALL
Thread SeriesNPT
Nut StylePIPE SEAL NUT
Nominal Thread Size0.750 INCHES IN
Thread Quantity Per Inch14
MaterialSTEEL COMP 303 OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
4730-00-813-72622600Z-1 INTERCHANGEABLE
Seal Nut,pipe
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
4730-01-013-6406TRU SEAL-1 INTERCHANGEABLE
Seal Nut,pipe
Parker Hannifin Corporation Dba Pneutronics Div Cylinder Division
4730-01-013-6408 INTERCHANGEABLE
Seal Nut,pipe
4730-01-013-6410 INTERCHANGEABLE
Seal Nut,pipe
4730-01-190-2745 INTERCHANGEABLE
Seal Nut,pipe
Cross-Reference Index
Part NumberManufacturer
TRU-SEAL Parker-Hannifin Corporation Div Cylinder Division (USA)
TRU-SEAL 3-4 PRIMARY Parker-Hannifin Corporation Div Cylinder Division (USA)
JCM-11256-005 Strike Weapons and Unmanned Aviation (USA)
350-TSE02-75 Parker-Hannifin Corporation Div Cylinder Division (USA)
JCM-11256 Strike Weapons and Unmanned Aviation (USA)
TSE02-75 Parker-Hannifin Corporation Div Cylinder Division (USA)
Related Parts
4730-00-813-7262INTERCHANGEABLE
SEAL NUT,PIPE
2600Z-1
4730-01-013-6406INTERCHANGEABLE
SEAL NUT,PIPE
TRU SEAL-1
4730-01-013-6408INTERCHANGEABLE
SEAL NUT,PIPE
4730-01-013-6410INTERCHANGEABLE
SEAL NUT,PIPE
4730-01-190-2745INTERCHANGEABLE
SEAL NUT,PIPE

Frequently Asked Questions

What is NSN 4730-01-013-9963?

NSN 4730-01-013-9963 is a Seal Nut,pipe, manufactured by Parker-Hannifin Corporation Div Cylinder Division, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-01-013-9963?

NSN 4730-01-013-9963 has 6 cross-referenced part numbers: TRU-SEAL (Parker-Hannifin Corporation Div Cylinder Division), TRU-SEAL 3-4 (Parker-Hannifin Corporation Div Cylinder Division), JCM-11256-005 (Strike Weapons and Unmanned Aviation), 350-TSE02-75 (Parker-Hannifin Corporation Div Cylinder Division), JCM-11256 (Strike Weapons and Unmanned Aviation) and 1 more.

What NSN replaces 4730-01-013-9963?

There are 5 known substitutes for 4730-01-013-9963: 4730-00-813-7262, 4730-01-013-6406, 4730-01-013-6408 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TRU-SEAL 3-4?

Key specifications for TRU-SEAL 3-4: Thread Direction: RIGHT-HAND; Nut Height: 0.266 INCHES NOMINAL IN; Width Across Flats: 1.3125 INCHES NOMINAL IN; Surface Treatment: PASSIVATE OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-01-013-9963 still in active supply?

NSN 4730-01-013-9963 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com