PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6T6K X USALock Set,mortise

Stanley Security Solutions, Inc Dba Best Lock · NSN 5340-01-029-7940 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-029-7940 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-029-7940. Primary manufacturer part number: 6T6K X USA.
Features
  • Lock Set,mortise — FSC 5340
  • Bolt Type: REVERSIBLE BEVEL
  • Operation Method: INSIDE TURN KNOB AND OUTSIDE KEY LATCH BOLT
  • Shape: ROUND CASE
  • Specification/standard Data: 80205-80204-ANSI BHMA 501 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Thickness: 1.375 INCHES NOMINAL OVERALL IN
  • Locking Mechanism Type: PIN TUMBLER
  • Surface Treatment: COPPER ALLOY CASE
Applications
  • Applications requiring Copper Alloy Face construction
General Description

The Lock Set,mortise, cataloged under National Stock Number 5340-01-029-7940, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Stanley Security Solutions, Inc Dba Best Lock. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-029-7940
Primary Part Number6T6K X USA
Item NameLock Set,mortise
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerStanley Security Solutions, Inc Dba Best Lock
StatusCANCELLED
Bolt TypeREVERSIBLE BEVEL
Operation MethodINSIDE TURN KNOB AND OUTSIDE KEY LATCH BOLT
ShapeROUND CASE
Specification/standard Data80205-80204-ANSI BHMA 501 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Thickness1.375 INCHES NOMINAL OVERALL IN
Locking Mechanism TypePIN TUMBLER
Surface TreatmentCOPPER ALLOY CASE
Surface TreatmentCOPPER ALLOY FACE
Width1.000 INCHES NOMINAL IN
MaterialCOPPER ALLOY FACE
Face ShapeFLAT
Design TypeLATCH BOLT
Height2.250 INCHES NOMINAL IN
Thickness2.375 INCHES NOMINAL BACKSET IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5306-00-206-3895 (2221)
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
Power Supply
5306-00-206-38952221 SUCCESSOR
Bolt,eye
Fabrication Specialty Inc Dba Fabrication Specialty Inc
Lock Set,rim
Tape,sealing,sterilization Indic
5340-00-664-7014DW346 SUCCESSOR
Lock Set,rim
Emhart Industries Inc Corbin Cabinet Lock Hardware Div
Bolt,eye
6530-01-058-21154002 SUCCESSOR
Urinal,incontinent
Intermed Associates Inc
6540-01-102-82564002 SUCCESSOR
Lens,ophthalmic,plano Cylinder
Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia
6130-01-103-0260940 SUCCESSOR
Power Supply
Analog Devices, Inc. Div Corporate Headquarters
6515-01-554-1717GE605SU SUCCESSOR
Burr,surgical
Aesculap, Inc
Cross-Reference Index
Part NumberManufacturer
6T6K X USA Stanley Security Solutions, Inc Dba Best Lock (USA)
FF-H-1819 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
940 Falcon Lock Div of Ni Industries Inc (USA)
2221 Lockwood Hardware Mfg Co (USA)
ANSI BHMA 501 TYPE E2122 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
4002 Kysor/dexter Lock Div of Kysor Industrial Corp (USA)
880 Yale Security Inc. Dba Norton Door Control (USA)
B250PD Schlage Lock Co (USA)
ANSI/BHMA A156.5 TYPE E0122 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
Related Parts
SUCCESSOR 5306-00-206-3895 Bolt,eye · 2221
6130-00-065-3212SUCCESSOR
POWER SUPPLY
5340-00-264-7598SUCCESSOR
LOCK SET,RIM
6530-00-299-9821SUCCESSOR
TAPE,SEALING,STERILIZATION INDIC
5340-00-664-7014SUCCESSOR
LOCK SET,RIM
DW346
5306-00-993-4370SUCCESSOR
BOLT,EYE
6530-01-058-2115SUCCESSOR
URINAL,INCONTINENT
4002
6540-01-102-8256SUCCESSOR
LENS,OPHTHALMIC,PLANO CYLINDER
4002
6130-01-103-0260SUCCESSOR
POWER SUPPLY
940
6515-01-554-1717SUCCESSOR
BURR,SURGICAL
GE605SU
6515-01-572-6929SUCCESSOR
SENSOR,OXYGEN MONITORING
2221
6515-01-703-3935SUCCESSOR
SENSOR,OXYGEN MONITORING
4002

Frequently Asked Questions

What is NSN 5340-01-029-7940?

NSN 5340-01-029-7940 is a Lock Set,mortise, manufactured by Stanley Security Solutions, Inc Dba Best Lock, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-01-029-7940?

NSN 5340-01-029-7940 has 9 cross-referenced part numbers: 6T6K X USA (Stanley Security Solutions, Inc Dba Best Lock), FF-H-1819 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 940 (Falcon Lock Div of Ni Industries Inc), 2221 (Lockwood Hardware Mfg Co), ANSI BHMA 501 TYPE E2122 (American National Standards Institute Incorporated Dba American National Standards Institute) and 4 more.

What NSN replaces 5340-01-029-7940?

There are 12 known substitutes for 5340-01-029-7940: 6130-00-065-3212, 5306-00-206-3895, 5340-00-264-7598 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6T6K X USA?

Key specifications for 6T6K X USA: Bolt Type: REVERSIBLE BEVEL; Operation Method: INSIDE TURN KNOB AND OUTSIDE KEY LATCH BOLT; Shape: ROUND CASE; Specification/standard Data: 80205-80204-ANSI BHMA 501 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-01-029-7940 still in active supply?

NSN 5340-01-029-7940 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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