PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TSE01-25Seal Nut,pipe

Parker-Hannifin Corporation Div Cylinder Division · NSN 4730-01-073-4855 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-073-4855 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-073-4855. Primary manufacturer part number: TSE01-25.
Features
  • Seal Nut,pipe — FSC 4730
  • Nut Height: 0.266 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM AND CHROMATE NUT
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY FREE OF MERCURY CONTAMINATION FOR NUCLEAR PROPULSION
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE SEAL
  • Material: STEEL NUT
  • Thread Series: NPT
  • Width Across Flats: 0.750 INCHES NOMINAL 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 4730-01-073-4855, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4730-01-073-4855
Primary Part NumberTSE01-25
Item NameSeal Nut,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker-Hannifin Corporation Div Cylinder Division
StatusACTIVE
Nut Height0.266 INCHES NOMINAL IN
Surface TreatmentCADMIUM AND CHROMATE NUT
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY FREE OF MERCURY CONTAMINATION FOR NUCLEAR PROPULSION
MaterialPLASTIC POLYTETRAFLUOROETHYLENE SEAL
MaterialSTEEL NUT
Thread SeriesNPT
Width Across Flats0.750 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch18
Nut StylePIPE SEAL NUT
Nominal Thread Size0.250 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-00-813-72622600Z-1 INTERCHANGEABLE
Seal Nut,pipe
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
Cross-Reference Index
Part NumberManufacturer
TSE01-25 Parker-Hannifin Corporation Div Cylinder Division (USA)
Related Parts
4730-00-813-7262INTERCHANGEABLE
SEAL NUT,PIPE
2600Z-1

Frequently Asked Questions

What is NSN 4730-01-073-4855?

NSN 4730-01-073-4855 is a Seal Nut,pipe, manufactured by Parker-Hannifin Corporation Div Cylinder Division, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-073-4855?

NSN 4730-01-073-4855 has 1 cross-referenced part number: TSE01-25 (Parker-Hannifin Corporation Div Cylinder Division).

What NSN replaces 4730-01-073-4855?

There is 1 known substitute for 4730-01-073-4855: 4730-00-813-7262. Verify interchangeability with system specifications before substitution.

What are the specifications of TSE01-25?

Key specifications for TSE01-25: Nut Height: 0.266 INCHES NOMINAL IN; Surface Treatment: CADMIUM AND CHROMATE NUT; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY FREE OF MERCURY CONTAMINATION FOR NUCLEAR PROPULSION; Material: PLASTIC POLYTETRAFLUOROETHYLENE SEAL. 11 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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