PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0666Lock,flush

Eastern Co the Ccl Security Products · NSN 5340-00-240-2453 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-240-2453 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-240-2453. Primary manufacturer part number: 0666.
Features
  • Lock,flush — FSC 5340
  • Material: COPPER ALLOY CASE
  • Design Type: DEAD BOLT
  • Key Change Quantity: 1200
  • Backset Depth: 0.875 INCHES NOMINAL IN
  • Nondefinitive Spec/std Data: 910 TYPE
  • Thickness: 0.875 INCHES MINIMUM MEMBER IN
  • Operation Method: OUTSIDE KEY DEAD BOLT
Applications
  • Applications requiring Copper Alloy Case construction
General Description

The Lock,flush, cataloged under National Stock Number 5340-00-240-2453, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eastern Co the Ccl Security Products. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-240-2453
Primary Part Number0666
Item NameLock,flush
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerEastern Co the Ccl Security Products
StatusACTIVE
MaterialCOPPER ALLOY CASE
Design TypeDEAD BOLT
Key Change Quantity1200
Backset Depth0.875 INCHES NOMINAL IN
Nondefinitive Spec/std Data910 TYPE
Thickness0.875 INCHES MINIMUM MEMBER IN
Operation MethodOUTSIDE KEY DEAD BOLT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 1
8135-00-283-0666 INTERCHANGEABLE
Strapping
Cross-Reference Index
Part NumberManufacturer
0666 Emhart Industries Inc Corbin Cabinet Lock Hardware Div (USA)
0666 PRIMARY Eastern Co the Ccl Security Products (USA)
283C Mills Industries Inc (USA)
Related Parts
8135-00-283-0666INTERCHANGEABLE
STRAPPING

Frequently Asked Questions

What is NSN 5340-00-240-2453?

NSN 5340-00-240-2453 is a Lock,flush, manufactured by Eastern Co the Ccl Security Products, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-240-2453?

NSN 5340-00-240-2453 has 3 cross-referenced part numbers: 0666 (Emhart Industries Inc Corbin Cabinet Lock Hardware Div), 0666 (Eastern Co the Ccl Security Products), 283C (Mills Industries Inc).

What NSN replaces 5340-00-240-2453?

There is 1 known substitute for 5340-00-240-2453: 8135-00-283-0666. Verify interchangeability with system specifications before substitution.

What are the specifications of 0666?

Key specifications for 0666: Material: COPPER ALLOY CASE; Design Type: DEAD BOLT; Key Change Quantity: 1200; Backset Depth: 0.875 INCHES NOMINAL IN. 8 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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