PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

81619-3Packing Nut

Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok · NSN 4730-01-501-9070 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-501-9070 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-501-9070. Primary manufacturer part number: 81619-3.
Features
  • Packing Nut — FSC 4730
  • Material: STEEL CORROSION RESISTING
  • 2 verified cross-references
  • Primary manufacturer: Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Packing Nut, cataloged under National Stock Number 4730-01-501-9070, 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 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN4730-01-501-9070
Primary Part Number81619-3
Item NamePacking Nut
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerCircor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5930-00-334-8924121901LF INTERCHANGEABLE
Switch,rotary
Electro Switch Corp. Dba Electro Switch Corp
5940-00-549-6583 INTERCHANGEABLE
Adapter,battery Terminal
4730-00-725-0537UA612 INTERCHANGEABLE
Clamp,hose
Voss Industries, Llc
1650-00-922-324581619 INTERCHANGEABLE
Body,tank
Hydro-Aire Aerospace Corp
8105-01-696-863181619 INTERCHANGEABLE
Bag,tools and Spare Parts
Aerovironment, Inc.
Cross-Reference Index
Part NumberManufacturer
81619 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
81619-3 PRIMARY Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
Related Parts
5930-00-334-8924INTERCHANGEABLE
SWITCH,ROTARY
121901LF
5940-00-549-6583INTERCHANGEABLE
ADAPTER,BATTERY TERMINAL
4730-00-725-0537INTERCHANGEABLE
CLAMP,HOSE
UA612
1650-00-922-3245INTERCHANGEABLE
BODY,TANK
81619
8105-01-696-8631INTERCHANGEABLE
BAG,TOOLS AND SPARE PARTS
81619

Frequently Asked Questions

What is NSN 4730-01-501-9070?

NSN 4730-01-501-9070 is a Packing Nut, manufactured by Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-501-9070?

NSN 4730-01-501-9070 has 2 cross-referenced part numbers: 81619 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 81619-3 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok).

What NSN replaces 4730-01-501-9070?

There are 5 known substitutes for 4730-01-501-9070: 5930-00-334-8924, 5940-00-549-6583, 4730-00-725-0537 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 81619-3?

Key specifications for 81619-3: Part Name Assigned by Controlling Agency: PACKING NUT AND GROOVE-PIN ASSEMBLY; Special Features: INCLUDES PACKING NUT P/N 95655-103 AND GROOVE PIN P/N 59-664; Material: STEEL CORROSION RESISTING; End Item Identification: 2800 SERIES NEEDLE VALVE. 4 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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