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KC8438 — LEAF,BUTT HINGE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

KC8438: LEAF,BUTT HINGE.

The LEAF,BUTT HINGE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1008 AND STEEL COMP 1020 OVERALL, hinge_pin: NOT INCLUDED, knuckle_type: FRICTION, knuckle_length: 28.094 INCHES NOMINAL IN, overall_length: 28.719 INCHES NOMINAL IN, performance_type: LIGHT DUTY. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-696-0266, 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
KC8438
NSN: 5340-00-696-0266
FSC: 5340 — Hardware, Commercial
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialSTEEL COMP 1008 AND STEEL COMP 1020 OVERALL
hinge_pinNOT INCLUDED
knuckle_typeFRICTION
knuckle_length28.094 INCHES NOMINAL IN
overall_length28.719 INCHES NOMINAL IN
knuckle_quantity1
performance_typeLIGHT DUTY
special_features0.406 IN. LG BY 0.203 IN. W SIZE OF HOLES,TWO SLOTS 0.625 IN. WIDE SPACED 15 IN. C T C,FIRST SLOT LOCATED 6.638 IN. FROM END IN
surface_treatmentPHOSPHATE ZINC OVERALL
material_thickness0.048 INCHES NOMINAL IN
reversible_featureNOT INCLUDED
mounting_hole_quantity7
NSN5340-00-696-0266
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: KC8438 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: 7
•
REVERSIBLE FEATURE: NOT INCLUDED
•
PIN CENTER TO BODY EDGE DISTANCE: 1.120 INCHES NOMINAL IN
•
HINGE PIN: NOT INCLUDED
•
MATERIAL THICKNESS: 0.048 INCHES NOMINAL IN
•
KNUCKLE QUANTITY: 1
•
KNUCKLE LENGTH: 28.094 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY7
REVERSIBLE FEATURENOT INCLUDED
OVERALL LENGTH28.719 INCHES NOMINAL IN
PIN CENTER TO BODY EDGE DISTANCE1.120 INCHES NOMINAL IN
HINGE PINNOT INCLUDED
MATERIAL THICKNESS0.048 INCHES NOMINAL IN
KNUCKLE QUANTITY1
KNUCKLE LENGTH28.094 INCHES NOMINAL IN
SPECIAL FEATURES0.406 IN. LG BY 0.203 IN. W SIZE OF HOLES,TWO SLOTS 0.625 IN. WIDE SPACED 15 IN. C T C,FIRST SLOT LOCATED 6.638 IN. FROM END IN
SURFACE TREATMENTPHOSPHATE ZINC OVERALL
SUBSTITUTES & CROSS-REFERENCES 8
103599R1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
TT-C-490Reference document
Same NSN cross-reference
Reference document — Identification reference
5340006960266Reference document
Same NSN cross-reference
Reference document — Secondary reference
TT-P-664Reference document
Same NSN cross-reference
Reference document — Identification reference
MIL-P-14553Reference document
Same NSN cross-reference
Reference document — Identification reference
TT-E-529Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is KC8438?
KC8438 is a LEAF,BUTT HINGE.
What parts can replace KC8438?
There are 8 known substitutes for KC8438: 103599R1, TT-C-490, 5340006960266 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for KC8438?
KC8438 is cataloged in the U.S. Government catalog under NSN 5340-00-696-0266. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.