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66B12669-2 — LEAF,BUTT HINGE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

66B12669-2: LEAF,BUTT HINGE.

The LEAF,BUTT HINGE is a the manufacturer industrial component. Key specifications include hinge_pin: INCLUDED, knuckle_type: FRICTION, overall_length: 1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM IN, performance_type: NOT RATED, surface_treatment: CADMIUM OVERALL, material_thickness: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-028-3130, 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
66B12669-2
NSN: 5340-01-028-3130
FSC: 5340 — Hardware, Commercial
CAGE: 18894 — AIR ARMAMENT CENTER/ EN (USA)
SPECIFICATIONS
hinge_pinINCLUDED
knuckle_typeFRICTION
overall_length1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM IN
performance_typeNOT RATED
surface_treatmentCADMIUM OVERALL
material_thickness0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
reversible_featureNOT INCLUDED
mounting_hole_diameter0.160 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
mounting_hole_quantity2
knuckle_inside_diameter0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
pin_center_to_body_edge_distance0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
center_to_center_distance_between_mounting_holes_along_length1.250 INCHES NOMINAL IN
NSN5340-01-028-3130
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 66B12669-2 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: 2
•
REVERSIBLE FEATURE: NOT INCLUDED
•
KNUCKLE INSIDE DIAMETER: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
MOUNTING HOLE DIAMETER: 0.160 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
•
PIN CENTER TO BODY EDGE DISTANCE: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
•
HINGE PIN: INCLUDED
•
MATERIAL THICKNESS: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY2
REVERSIBLE FEATURENOT INCLUDED
KNUCKLE INSIDE DIAMETER0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
MOUNTING HOLE DIAMETER0.160 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
OVERALL LENGTH1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM IN
PIN CENTER TO BODY EDGE DISTANCE0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
HINGE PININCLUDED
MATERIAL THICKNESS0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH1.250 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 66B12669-2?
66B12669-2 is a LEAF,BUTT HINGE.
What is the NSN for 66B12669-2?
66B12669-2 is cataloged in the U.S. Government catalog under NSN 5340-01-028-3130. 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.