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JULY 2026Technical Data Sheet

GF820B4B4Ferrule,grooved Clamp Coupling

Northrop Grumman Systems Corporation · NSN 5340-01-395-7957 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-395-7957 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-395-7957. Primary manufacturer part number: GF820B4B4.
Features
  • Ferrule,grooved Clamp Coupling — FSC 5340
  • 3 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Ferrule,grooved Clamp Coupling, cataloged under National Stock Number 5340-01-395-7957, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Northrop Grumman Systems Corporation. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NameFerrule,grooved Clamp Coupling
FSC / FSG5340 — No Item Name Available (FSG 53)
ManufacturersNorthrop Grumman Systems Corporation (CAGE 26512); Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (CAGE 80063); Cambion (CAGE 9K153)
Technical Specifications
ParameterValue
NSN5340-01-395-7957
Primary Part NumberGF820B4B4
Item NameFerrule,grooved Clamp Coupling
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 2
5330-00-037-767519882 INTERCHANGEABLE
Gasket
Hydro-Aire Aerospace Corp
5340-00-741-856911077724-2 INTERCHANGEABLE
Ferrule,grooved Clamp Coupling
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
GF820B4B4 PRIMARY Northrop Grumman Systems Corporation (USA)
A3145330 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
1988-2 Cambion (USA)
Related Parts
5330-00-037-7675INTERCHANGEABLE
GASKET
19882
5340-00-741-8569INTERCHANGEABLE
FERRULE,GROOVED CLAMP COUPLING
11077724-2

Frequently Asked Questions

What is NSN 5340-01-395-7957?

NSN 5340-01-395-7957 is a Ferrule,grooved Clamp Coupling, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-395-7957?

NSN 5340-01-395-7957 has 3 cross-referenced part numbers: GF820B4B4 (Northrop Grumman Systems Corporation), A3145330 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 1988-2 (Cambion).

What NSN replaces 5340-01-395-7957?

There are 2 known substitutes for 5340-01-395-7957: 5330-00-037-7675, 5340-00-741-8569. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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