PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

826529Packing Nut

L3 Aviation Products, Inc. Dba L3 Technologies · NSN 4730-00-834-4704 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-834-4704 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-834-4704. Primary manufacturer part number: 826529.
Features
  • Packing Nut — FSC 4730
  • Thread Direction: RIGHT-HAND
  • Width Across Flats: 1.438 INCHES NOMINAL IN
  • Smallest Inside Diameter: 0.860 INCHES NOMINAL IN
  • Screw Thread Location: EXTERNAL
  • Material: STEEL
  • Thread Length: 0.500 INCHES NOMINAL IN
  • Material Document and Classification: 2757, SANGAMO ELECTRIC CO MFR REF SINGLE MATERIAL RESPONSE
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 4730-00-834-4704, 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 L3 Aviation Products, Inc. Dba L3 Technologies. Government technical data includes 12 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-834-4704
Primary Part Number826529
Item NamePacking Nut
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerL3 Aviation Products, Inc. Dba L3 Technologies
StatusACTIVE
Thread DirectionRIGHT-HAND
Width Across Flats1.438 INCHES NOMINAL IN
Smallest Inside Diameter0.860 INCHES NOMINAL IN
Screw Thread LocationEXTERNAL
MaterialSTEEL
Thread Length0.500 INCHES NOMINAL IN
Material Document and Classification2757, SANGAMO ELECTRIC CO MFR REF SINGLE MATERIAL RESPONSE
Style DesignatorHEXAGON, EXTERNAL THREAD, BOSS
Screw Thread Series DesignatorUN
Thread Class2A A
Casehardening IndicatorNOT CASEHARDENED
Thread Size5/16IN-12 IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
6530-00-068-5036 INTERCHANGEABLE
Tape,sealing,sterilization Indic
5133-00-189-9291 INTERCHANGEABLE
Drill,twist
6530-00-334-48491224-6 INTERCHANGEABLE
Tape,sealing,sterilization Indic
3m Company Div Health Care Business
5310-00-804-119812246 INTERCHANGEABLE
Nut,plain,hexagon
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
6220-00-830-189312246 INTERCHANGEABLE
Gear and Shaft Assembly
Grimes Aerospace Company
5930-01-094-7799 INTERCHANGEABLE
Switch,rotary
3455-01-203-276212246 INTERCHANGEABLE
Trepanning Tool,machine
Hougen Manufacturing, Inc
5998-01-248-543212246 INTERCHANGEABLE
Circuit Card Assembly
Thermo Fisher Scientific (asheville) Llc Div Laboratory Products Division
5950-01-279-809061709-009 INTERCHANGEABLE
Transformer,audio Frequency
Dynalec Corporation
Cross-Reference Index
Part NumberManufacturer
826529 PRIMARY L3 Aviation Products, Inc. Dba L3 Technologies (USA)
12246 Mkt Geotechnical Systems (USA)
Related Parts
6530-00-068-5036INTERCHANGEABLE
TAPE,SEALING,STERILIZATION INDIC
5133-00-189-9291INTERCHANGEABLE
DRILL,TWIST
6530-00-334-4849INTERCHANGEABLE
TAPE,SEALING,STERILIZATION INDIC
1224-6
5310-00-804-1198INTERCHANGEABLE
NUT,PLAIN,HEXAGON
12246
6220-00-830-1893INTERCHANGEABLE
GEAR AND SHAFT ASSEMBLY
12246
5930-01-094-7799INTERCHANGEABLE
SWITCH,ROTARY
3455-01-203-2762INTERCHANGEABLE
TREPANNING TOOL,MACHINE
12246
5998-01-248-5432INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
12246
5950-01-279-8090INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
61709-009

Frequently Asked Questions

What is NSN 4730-00-834-4704?

NSN 4730-00-834-4704 is a Packing Nut, manufactured by L3 Aviation Products, Inc. Dba L3 Technologies, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-834-4704?

NSN 4730-00-834-4704 has 2 cross-referenced part numbers: 826529 (L3 Aviation Products, Inc. Dba L3 Technologies), 12246 (Mkt Geotechnical Systems).

What NSN replaces 4730-00-834-4704?

There are 9 known substitutes for 4730-00-834-4704: 6530-00-068-5036, 5133-00-189-9291, 6530-00-334-4849 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 826529?

Key specifications for 826529: Thread Direction: RIGHT-HAND; Width Across Flats: 1.438 INCHES NOMINAL IN; Smallest Inside Diameter: 0.860 INCHES NOMINAL IN; Screw Thread Location: EXTERNAL. 13 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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