PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

863JPacking Nut

Rockford Powertrain Inc Div Powertrain Rockford, Inc. · NSN 4730-00-374-8191 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-374-8191 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-374-8191. Primary manufacturer part number: 863J.
Features
  • Packing Nut — FSC 4730
  • Smallest Inside Diameter: 1.781 INCHES NOMINAL IN
  • Style Designator: KNURLED, INTERNAL THREAD, SHOULDERED
  • Major Unthreaded Outside Diameter: 2.351 INCHES MINIMUM AND 2.367 INCHES MAXIMUM IN
  • Screw Thread Location: INTERNAL
  • Length to Shoulder: 1.042 INCHES NOMINAL IN
  • Material: STEEL COMP 1010
  • Thread Class: 2B
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1010 construction
General Description

The Packing Nut, cataloged under National Stock Number 4730-00-374-8191, 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 Rockford Powertrain Inc Div Powertrain Rockford, Inc.. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 20 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-374-8191
Primary Part Number863J
Item NamePacking Nut
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerRockford Powertrain Inc Div Powertrain Rockford, Inc.
StatusACTIVE
Smallest Inside Diameter1.781 INCHES NOMINAL IN
Style DesignatorKNURLED, INTERNAL THREAD, SHOULDERED
Major Unthreaded Outside Diameter2.351 INCHES MINIMUM AND 2.367 INCHES MAXIMUM IN
Screw Thread LocationINTERNAL
Length to Shoulder1.042 INCHES NOMINAL IN
MaterialSTEEL COMP 1010
Thread Class2B
Thread Size2-1/4IN-20 IN
Screw Thread Series DesignatorUN
Casehardening IndicatorNOT CASEHARDENED
Thread DirectionRIGHT-HAND
Thread Length0.812 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2010-00-115-273530 4996 15 INTERCHANGEABLE
Shoe Assembly,thrus
Kingsbury Inc.
5970-00-866-3034267-9012P024 INTERCHANGEABLE
Insulation Sleeving,electrical
Raytheon Company Dba Raytheon Co
6515-01-153-5330086040 INTERCHANGEABLE
Drain,surgical
C. R. Bard, Inc.
4720-01-393-5297863J INTERCHANGEABLE
Hose,preformed
Gates Canada Inc
Cross-Reference Index
Part NumberManufacturer
MUJC0863J Vme Americas Inc Sub of Vme Group N V (USA)
02060724 Rockford Powertrain Inc Div Powertrain Rockford, Inc. (USA)
02161-2047-06 Harsco Corp Bmy-Combat Systems Div (USA)
900863J Chief of Engineers Dept of Army (USA)
863J PRIMARY Rockford Powertrain Inc Div Powertrain Rockford, Inc. (USA)
465008 Dana Off Highway Products, Llc (USA)
863J Vme Americas Inc Sub of Vme Group N V (USA)
2161-2047-06 Harsco Corp Bmy-Combat Systems Div (USA)
MUJC0863J Dana Off Highway Products, Llc (USA)
086040 Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA)
465008 Vme Americas Inc Sub of Vme Group N V (USA)
0860840 General Motors Corp (USA)
940090 Rockford Powertrain Inc Div Powertrain Rockford, Inc. (USA)
940090 Dana Off Highway Products, Llc (USA)
940090 Vme Americas Inc Sub of Vme Group N V (USA)
SW22266 Drs Sustainment Systems Inc (USA)
02161-2047-06 Asrc Federal Facilities Logistics, Llc (USA)
291576 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
863J Dana Off Highway Products, Llc (USA)
940090 Clark Equipment Co (USA)
Related Parts
2010-00-115-2735INTERCHANGEABLE
SHOE ASSEMBLY,THRUS
30 4996 15
5970-00-866-3034INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
267-9012P024
6515-01-153-5330INTERCHANGEABLE
DRAIN,SURGICAL
086040
4720-01-393-5297INTERCHANGEABLE
HOSE,PREFORMED
863J

Frequently Asked Questions

What is NSN 4730-00-374-8191?

NSN 4730-00-374-8191 is a Packing Nut, manufactured by Rockford Powertrain Inc Div Powertrain Rockford, Inc., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-374-8191?

NSN 4730-00-374-8191 has 20 cross-referenced part numbers: MUJC0863J (Vme Americas Inc Sub of Vme Group N V), 02060724 (Rockford Powertrain Inc Div Powertrain Rockford, Inc.), 02161-2047-06 (Harsco Corp Bmy-Combat Systems Div), 900863J (Chief of Engineers Dept of Army), 863J (Rockford Powertrain Inc Div Powertrain Rockford, Inc.) and 15 more.

What NSN replaces 4730-00-374-8191?

There are 4 known substitutes for 4730-00-374-8191: 2010-00-115-2735, 5970-00-866-3034, 6515-01-153-5330 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 863J?

Key specifications for 863J: Smallest Inside Diameter: 1.781 INCHES NOMINAL IN; Style Designator: KNURLED, INTERNAL THREAD, SHOULDERED; Major Unthreaded Outside Diameter: 2.351 INCHES MINIMUM AND 2.367 INCHES MAXIMUM IN; Screw Thread Location: INTERNAL. 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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