PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8400-12Plate,mounting

John Chadwick Corporation Dba Chadwick John Corp · NSN 5340-01-666-5318 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-666-5318 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-666-5318. Primary manufacturer part number: 8400-12.
Features
  • Plate,mounting — FSC 5340
  • 1 verified cross-reference
  • Primary manufacturer: John Chadwick Corporation Dba Chadwick John Corp
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Plate,mounting, cataloged under National Stock Number 5340-01-666-5318, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is John Chadwick Corporation Dba Chadwick John Corp. This item has 1 commercial cross-reference from 1 manufacturer, 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.

Technical Specifications
ParameterValue
NSN5340-01-666-5318
Primary Part Number8400-12
Item NamePlate,mounting
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerJohn Chadwick Corporation Dba Chadwick John Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 2
3020-00-375-60391VP44X 1/2 INTERCHANGEABLE
Pulley,variable Pitch
Emerson Electric Co Browning Mfg Div
4720-01-609-172584001-2 INTERCHANGEABLE
Hose Assembly,nonmetallic
Eaton Corporation Dba Eaton Inoac
Cross-Reference Index
Part NumberManufacturer
8400-12 PRIMARY John Chadwick Corporation Dba Chadwick John Corp (USA)
Related Parts
3020-00-375-6039INTERCHANGEABLE
PULLEY,VARIABLE PITCH
1VP44X 1/2
4720-01-609-1725INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
84001-2

Frequently Asked Questions

What is NSN 5340-01-666-5318?

NSN 5340-01-666-5318 is a Plate,mounting, manufactured by John Chadwick Corporation Dba Chadwick John Corp, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-666-5318?

NSN 5340-01-666-5318 has 1 cross-referenced part number: 8400-12 (John Chadwick Corporation Dba Chadwick John Corp).

What NSN replaces 5340-01-666-5318?

There are 2 known substitutes for 5340-01-666-5318: 3020-00-375-6039, 4720-01-609-1725. Verify interchangeability with system specifications before substitution.

What are the specifications of 8400-12?

Key specifications for 8400-12: End Item Identification: 4920-01-567-0476; Part Name Assigned by Controlling Agency: OFFSET 3-LEG BASE. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com