PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

744HUS3KDLock Set,mortise

Emhart Industries Inc Kwikset Div · NSN 5340-00-580-4971 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-580-4971 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-580-4971. Primary manufacturer part number: 744HUS3KD.
Features
  • Lock Set,mortise — FSC 5340
  • Diameter: 2.125 INCHES NOMINAL IN
  • Bolt Type: UNIVERSAL
  • Features Provided: KEY AND ROSE
  • Shape: ROUND CASE
  • Thickness: 1.375 INCHES NOMINAL OVERALL IN
  • Material: COPPER ALLOY CASE
  • Knob Quantity: 2
Applications
  • Applications requiring Copper Alloy Case construction
General Description

The Lock Set,mortise, cataloged under National Stock Number 5340-00-580-4971, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Emhart Industries Inc Kwikset Div. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-580-4971
Primary Part Number744HUS3KD
Item NameLock Set,mortise
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerEmhart Industries Inc Kwikset Div
StatusACTIVE
Diameter2.125 INCHES NOMINAL IN
Bolt TypeUNIVERSAL
Features ProvidedKEY AND ROSE
ShapeROUND CASE
Thickness1.375 INCHES NOMINAL OVERALL IN
MaterialCOPPER ALLOY CASE
Knob Quantity2
Locking Mechanism TypePIN TUMBLER
Length1.375 INCHES NOMINAL IN
Operation MethodKNOB ON INSIDE AND KNOB ON OUTSIDE LATCH BOLT
Design TypeLATCH BOLT
Surface TreatmentCOPPER ALLOY KNOB
MaterialSTEEL KNOB
Knob ShapeROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
6810-00-222-9679A676-500 INTERCHANGEABLE
Ammonium Nitrate
Fisher Scientific Co Chemical Mfg Div
6625-00-432-1472 INTERCHANGEABLE
Frame,voltmeter
5315-00-514-06053436 INTERCHANGEABLE
Pin,drive,power Actuated
Illinois Tool Works Inc
9540-00-555-2873 INTERCHANGEABLE
Angle,structural
1730-00-614-07003436 INTERCHANGEABLE
Sling,aircraft Maintenance
Rolls-Royce Corporation
5315-00-862-39233-4-3-6 INTERCHANGEABLE
Pin,fitting,engine
Celtech Corporation Div Use CAGE 65552 for All Orders
3220-01-053-2570 INTERCHANGEABLE
Saw,radial Overarm,woodworking
2530-01-189-47772G5744 INTERCHANGEABLE
Wheel Assembly,pneumatic Tire
Caterpillar Inc Div Caterpillar Defense
4730-01-207-37953436 INTERCHANGEABLE
Trap,steam
Edro Corporation, the Dba Edro Corp
5315-01-238-7483343-6 INTERCHANGEABLE
Pin,lock
C&d Zodiac Inc. Dba 4 Flight Div 4/flight Division
Cross-Reference Index
Part NumberManufacturer
744HUS3KD PRIMARY Emhart Industries Inc Kwikset Div (USA)
13434301KD Master Lock Company Llc (USA)
7136X3 Kysor/dexter Lock Div of Kysor Industrial Corp (USA)
3436 Kysor/dexter Lock Div of Kysor Industrial Corp (USA)
7136XUS3 Kysor/dexter Lock Div of Kysor Industrial Corp (USA)
Related Parts
6810-00-222-9679INTERCHANGEABLE
AMMONIUM NITRATE
A676-500
6625-00-432-1472INTERCHANGEABLE
FRAME,VOLTMETER
5315-00-514-0605INTERCHANGEABLE
PIN,DRIVE,POWER ACTUATED
3436
9540-00-555-2873INTERCHANGEABLE
ANGLE,STRUCTURAL
1730-00-614-0700INTERCHANGEABLE
SLING,AIRCRAFT MAINTENANCE
3436
5315-00-862-3923INTERCHANGEABLE
PIN,FITTING,ENGINE
3-4-3-6
3220-01-053-2570INTERCHANGEABLE
SAW,RADIAL OVERARM,WOODWORKING
2530-01-189-4777INTERCHANGEABLE
WHEEL ASSEMBLY,PNEUMATIC TIRE
2G5744
4730-01-207-3795INTERCHANGEABLE
TRAP,STEAM
3436
5315-01-238-7483INTERCHANGEABLE
PIN,LOCK
343-6
5310-01-272-8441INTERCHANGEABLE
NUT,PLAIN,KNURLED
5120-01-398-8000INTERCHANGEABLE
SCREWDRIVER,FLAT TIP

Frequently Asked Questions

What is NSN 5340-00-580-4971?

NSN 5340-00-580-4971 is a Lock Set,mortise, manufactured by Emhart Industries Inc Kwikset Div, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-580-4971?

NSN 5340-00-580-4971 has 5 cross-referenced part numbers: 744HUS3KD (Emhart Industries Inc Kwikset Div), 13434301KD (Master Lock Company Llc), 7136X3 (Kysor/dexter Lock Div of Kysor Industrial Corp), 3436 (Kysor/dexter Lock Div of Kysor Industrial Corp), 7136XUS3 (Kysor/dexter Lock Div of Kysor Industrial Corp).

What NSN replaces 5340-00-580-4971?

There are 12 known substitutes for 5340-00-580-4971: 6810-00-222-9679, 6625-00-432-1472, 5315-00-514-0605 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 744HUS3KD?

Key specifications for 744HUS3KD: Diameter: 2.125 INCHES NOMINAL IN; Bolt Type: UNIVERSAL; Features Provided: KEY AND ROSE; Shape: ROUND CASE. 14 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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