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Technical Data Sheet
PartsTable / COMPONENT / LF5301
LF5301 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The LATCH SET,MORTISE is a the manufacturer industrial component. Key specifications include bolt_type: REGULAR BEVEL, thickness: 1.375 INCHES NOMINAL DOOR IN, face_shape: FLAT, action_type: SPRING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-924-1738, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
LF5301
NSN: 5340-00-924-1738
FSC: 5340
CAGE: 14382 — EATON YALE LTD SUSPENSION DIV
SPECIFICATIONS
bolt_typeREGULAR BEVEL
thickness1.375 INCHES NOMINAL DOOR IN
face_shapeFLAT
action_typeSPRING
knob_quantity2
NSN5340-00-924-1738
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: LF5301 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FACE SHAPE: FLAT
•
BOLT TYPE: REGULAR BEVEL
•
THICKNESS: 1.375 INCHES NOMINAL DOOR IN
•
KNOB QUANTITY: 2
•
ACTION TYPE: SPRING
TECHNICAL CHARACTERISTICS (FLIS)
FACE SHAPEFLAT
BOLT TYPEREGULAR BEVEL
SPECIAL FEATURESCASE DIAMETER:2.125 IN.NOM;CASE MATERIAL:A/A;CASE SURFACE TREATMENT:A/A;FACE MATERIAL:A/A;CASE SHAPE:TUBULAR;OPERATION METHOD:KNOB ON BOTH SIDES;FACE WIDTH:1.000 IN.NOMINAL;FACE LENGTH:2.250 IN.NOMINAL;CASE LENGTH:A/A;KNOB MATERIAL:A/A;KNOB SURFACE TREATMENT:A/A;KNOB SHAPE:A/A;KNOB DESIGN:PLAIN;RELEASE BAR:NOT INCLUDED;BACKSET DEPTH:2.375 IN.MIN. AND 2.500 IN.MAX;FACE SURFACE TREATMENT:A/A;FURNISHED MTG HARDWARE:SCREWS; IN
THICKNESS1.375 INCHES NOMINAL DOOR IN
KNOB QUANTITY2
ACTION TYPESPRING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
F51 ELA 505Upgraded Successor
successor cross-reference
successor
A156.2Upgraded Successor
successor cross-reference
successor
FF-H-106Upgraded Successor
successor cross-reference
successor
ANSI/BHMA A156.2Upgraded Successor
successor cross-reference
successor
BHMA-A156.2Upgraded Successor
successor cross-reference
successor
D51PD26DUpgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LF5301?
LF5301 is a LATCH SET,MORTISE.
What parts can replace LF5301?
There are 26 known substitutes for LF5301: F51 ELA 505, A156.2, FF-H-106 and 23 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LF5301?
LF5301 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-924-1738. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026