N078 - Diamond Back Door Lock
National D4291/D4292 Keyway

N078L

N078R

• Easily rekeyable via set screw cylinder release mechanism
• Solid brass pin tumbler cylinder drilled for 5 pins
• Field reversible between left-hand and right-hand function
• Barrel lengths: 1-1/8" or 1-3/8"
• Specify barrel length when ordering
• For varying material thicknesses, use our WP21 spacer
• Barrel diameter: 7/8"
• 26D or US4 finish
• Packed 10 per box
• US Patent Nos. 4,899,563; 4,920,774

• N078R - Door, Right-Hand
• N078L - Door, Left-Hand

• National Cabinet Lock D4291(4-pin) or D4292 (5-pin) keyway
• KD/KA - 4 pin standard
• KA# 101, 103, 107, 915
• Master keyed - 5 pin standard
• Use N1 Pin Kit for rekeying
• 4-pin keyblank = KBN-4-NP
• 5-pin keyblank = KBN-5-NP

• Spacer WP21, WP22, WP23
• Strike 07S, 12-1, 12-2,
• Strike system 2SPD-SP & 2SPD-KEPR
• ETS2-125 Through-bolt trim plate 1/8" thickness
• ETS2-250 Through-bolt trim plate 1/4" thickness
• ETS2-PL Through-bolt trim pull
• ETST2 Through-bolt trim spacer template
• Trim ring TR1256

• Architectural specifications, please choose format: PDF, RTF, or HTML
• Product data sheet
• Rekeying instructions
• Architectural specs
• Conversion chart
• Installation instructions