PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20078Packing Nut

Northrop Grumman Systems Corporation Div Marine Systems · NSN 4730-01-199-4268 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-199-4268 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-199-4268. Primary manufacturer part number: 20078.
Features
  • Packing Nut — FSC 4730
  • 2 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation Div Marine Systems
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Packing Nut, cataloged under National Stock Number 4730-01-199-4268, 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 Northrop Grumman Systems Corporation Div Marine Systems. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-199-4268
Primary Part Number20078
Item NamePacking Nut
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Div Marine Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5950-00-003-7666 INTERCHANGEABLE
Coil,radio Frequency
5133-00-228-1343 INTERCHANGEABLE
Drill,twist
5930-00-419-3987SMB605727 INTERCHANGEABLE
Switch,push
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6105-00-912-272554737-G2 INTERCHANGEABLE
Motor,direct Current
Dcm Manufacturing, Inc.
5841-01-121-334920078 INTERCHANGEABLE
Receiver-Transmitter Subassembly
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
3010-01-143-0733 INTERCHANGEABLE
Clutch,positive,nonvehicular
5995-01-370-856220078 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Anritsu Instruments Company Div Mbu
5365-01-395-220720078 INTERCHANGEABLE
Ring,back Up
Moog Inc
6240-01-396-896220078 INTERCHANGEABLE
Lamp,incandescent
General Electric Company Dba Ge
4250-01-492-6813 INTERCHANGEABLE
Cabinet Top,reclaimer,refrigeran
Cross-Reference Index
Part NumberManufacturer
20078 Westinghouse Electric Corp Sturtevant Div (USA)
20078 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
Related Parts
5950-00-003-7666INTERCHANGEABLE
COIL,RADIO FREQUENCY
5133-00-228-1343INTERCHANGEABLE
DRILL,TWIST
5930-00-419-3987INTERCHANGEABLE
SWITCH,PUSH
SMB605727
6105-00-912-2725INTERCHANGEABLE
MOTOR,DIRECT CURRENT
54737-G2
5841-01-121-3349INTERCHANGEABLE
RECEIVER-TRANSMITTER SUBASSEMBLY
20078
3010-01-143-0733INTERCHANGEABLE
CLUTCH,POSITIVE,NONVEHICULAR
5995-01-370-8562INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
20078
5365-01-395-2207INTERCHANGEABLE
RING,BACK UP
20078
6240-01-396-8962INTERCHANGEABLE
LAMP,INCANDESCENT
20078
4250-01-492-6813INTERCHANGEABLE
CABINET TOP,RECLAIMER,REFRIGERAN
5935-01-528-7378INTERCHANGEABLE
DUMMY CONNECTOR,PLUG

Frequently Asked Questions

What is NSN 4730-01-199-4268?

NSN 4730-01-199-4268 is a Packing Nut, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-199-4268?

NSN 4730-01-199-4268 has 2 cross-referenced part numbers: 20078 (Westinghouse Electric Corp Sturtevant Div), 20078 (Northrop Grumman Systems Corporation Div Marine Systems).

What NSN replaces 4730-01-199-4268?

There are 11 known substitutes for 4730-01-199-4268: 5950-00-003-7666, 5133-00-228-1343, 5930-00-419-3987 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20078?

Key specifications for 20078: End Item Identification: IOWA CLASS BB. 1 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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