PartsTable
Technical Data Sheet
K40-12 ✓ 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,RIM is a the manufacturer industrial component. Key specifications include width: 3.000 INCHES NOMINAL IN, height: 3.000 INCHES NOMINAL IN, material: COPPER ALLOY CASE, bolt_type: REGULAR BEVEL, action_type: SPRING, operation_method: LEVER LATCH BOLT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-285-7979, 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
K40-12
NSN: 5340-00-285-7979
FSC: 5340
CAGE: 32761 — KASON HARDWARE A DIV OF KASON INC (USA)
SPECIFICATIONS
width3.000 INCHES NOMINAL IN
height3.000 INCHES NOMINAL IN
materialCOPPER ALLOY CASE
bolt_typeREGULAR BEVEL
action_typeSPRING
operation_methodLEVER LATCH BOLT
special_featuresHOLE FOR PADLOCK;HOLE DIAMETER:0.188 IN.;UNIT PACKAGE TYPE:BOX;HOLE SPACING:1.312 IN. IN
features_providedSCREW
surface_treatmentCHROMIUM CASE
mounting_hole_quantity4
NSN5340-00-285-7979
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: K40-12 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
MOUNTING HOLE QUANTITY: 4
ACTION TYPE: SPRING
MATERIAL: COPPER ALLOY CASE
SURFACE TREATMENT: CHROMIUM CASE
HEIGHT: 3.000 INCHES NOMINAL IN
FEATURES PROVIDED: SCREW
OPERATION METHOD: LEVER LATCH BOLT
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING HOLE QUANTITY4
ACTION TYPESPRING
MATERIALCOPPER ALLOY CASE
SURFACE TREATMENTCHROMIUM CASE
HEIGHT3.000 INCHES NOMINAL IN
FEATURES PROVIDEDSCREW
SPECIAL FEATURESHOLE FOR PADLOCK;HOLE DIAMETER:0.188 IN.;UNIT PACKAGE TYPE:BOX;HOLE SPACING:1.312 IN. IN
OPERATION METHODLEVER LATCH BOLT
BOLT TYPEREGULAR BEVEL
WIDTH3.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
MS3198-7PInterchangeable
interchangeable cross-reference
interchangeable
M22520/2-07Interchangeable
interchangeable cross-reference
interchangeable
5120PL1678763Interchangeable
interchangeable cross-reference
interchangeable
5910000873521Interchangeable
interchangeable cross-reference
interchangeable
0180-0086Interchangeable
interchangeable cross-reference
interchangeable
D32477Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is K40-12?
K40-12 is a LATCH,RIM.
What parts can replace K40-12?
There are 14 known substitutes for K40-12: MS3198-7P, M22520/2-07, 5120PL1678763 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for K40-12?
K40-12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-285-7979. This indicates validated use in U.S. government and defense supply chains.
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