PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5033-4Packing Nut

Columbus Jack Corporation Div Columbus Jack · NSN 4730-00-541-8680 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-541-8680 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-541-8680. Primary manufacturer part number: 5033-4.
Features
  • Packing Nut — FSC 4730
  • Thread Size: 5/8IN-18 IN
  • Thread Class: 3A A
  • Screw Thread Location: EXTERNAL
  • Style Designator: HEXAGON, EXTERNAL THREAD, INTERNAL SHOUL DER
  • Length to Shoulder: 0.375 INCHES NOMINAL IN
  • Smallest Inside Diameter: 0.313 INCHES NOMINAL IN
  • Width Across Flats: 1.000 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel construction
General Description

The Packing Nut, cataloged under National Stock Number 4730-00-541-8680, 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 Columbus Jack Corporation Div Columbus Jack. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-541-8680
Primary Part Number5033-4
Item NamePacking Nut
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerColumbus Jack Corporation Div Columbus Jack
StatusACTIVE
Thread Size5/8IN-18 IN
Thread Class3A A
Screw Thread LocationEXTERNAL
Style DesignatorHEXAGON, EXTERNAL THREAD, INTERNAL SHOUL DER
Length to Shoulder0.375 INCHES NOMINAL IN
Smallest Inside Diameter0.313 INCHES NOMINAL IN
Width Across Flats1.000 INCHES NOMINAL IN
MaterialSTEEL
Largest Inside Diameter0.375 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Length0.344 INCHES NOMINAL IN
Screw Thread Series DesignatorUNF
Casehardening IndicatorNOT CASEHARDENED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5331-00-034-2378G263 INTERCHANGEABLE
O-Ring
Paccar Winch Inc Dba Paccar Winch Division
5330-00-285-840021158-0910 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
5940-00-552-36361246234-1 INTERCHANGEABLE
Terminal,lug
Honeywell Intl Inc Defense Avionics Systems
5360-00-598-4964SCB69337-7 INTERCHANGEABLE
Spring,helical,extension
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
1680-00-630-744350334 INTERCHANGEABLE
Parts Kit,actuator,
Meggitt North Hollywood Inc
2930-00-834-09338334 INTERCHANGEABLE
Pump,cooling System,engine
Elgin Industries Inc. Dba
5940-01-020-087250334 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
5995-01-182-7125080-080-001 INTERCHANGEABLE
Cable Assembly
Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division
6150-01-616-086550334 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Aerovironment, Inc. Dba Aerovironment Inc
5120-01-677-854950334 INTERCHANGEABLE
Entry Tool
5.11 Tactical Inc
Cross-Reference Index
Part NumberManufacturer
5033-4 Age Logistics Corporation (USA)
5033-4 PRIMARY Columbus Jack Corporation Div Columbus Jack (USA)
Related Parts
5331-00-034-2378INTERCHANGEABLE
O-RING
G263
5330-00-285-8400INTERCHANGEABLE
SEAL,PLAIN ENCASED
21158-0910
5940-00-552-3636INTERCHANGEABLE
TERMINAL,LUG
1246234-1
5360-00-598-4964INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
SCB69337-7
1680-00-630-7443INTERCHANGEABLE
PARTS KIT,ACTUATOR,
50334
2930-00-834-0933INTERCHANGEABLE
PUMP,COOLING SYSTEM,ENGINE
8334
5940-01-020-0872INTERCHANGEABLE
TERMINAL,LUG
50334
5995-01-182-7125INTERCHANGEABLE
CABLE ASSEMBLY
080-080-001
6150-01-616-0865INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
50334
5120-01-677-8549INTERCHANGEABLE
ENTRY TOOL
50334

Frequently Asked Questions

What is NSN 4730-00-541-8680?

NSN 4730-00-541-8680 is a Packing Nut, manufactured by Columbus Jack Corporation Div Columbus Jack, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-541-8680?

NSN 4730-00-541-8680 has 2 cross-referenced part numbers: 5033-4 (Age Logistics Corporation), 5033-4 (Columbus Jack Corporation Div Columbus Jack).

What NSN replaces 4730-00-541-8680?

There are 10 known substitutes for 4730-00-541-8680: 5331-00-034-2378, 5330-00-285-8400, 5940-00-552-3636 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5033-4?

Key specifications for 5033-4: Thread Size: 5/8IN-18 IN; Thread Class: 3A A; Screw Thread Location: EXTERNAL; Style Designator: HEXAGON, EXTERNAL THREAD, INTERNAL SHOUL DER. 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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