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5187187 — LEAF,BUTT HINGE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5187187: LEAF,BUTT HINGE.

The LEAF,BUTT HINGE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hinge_pin: NOT INCLUDED, knuckle_length: 0.990 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN, overall_length: 3.000 INCHES NOMINAL IN, performance_type: NOT RATED, special_features: 2 HOLES 0.096-0.094 IN. SPACED 1.000 IN.

APART BETWEEN 1ST AND 2ND AND 2ND AND 3RD HOLES IN. This part is cataloged in the U.S. Government catalog under NSN 5340-01-197-0520, 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
5187187
NSN: 5340-01-197-0520
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hinge_pinNOT INCLUDED
knuckle_length0.990 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
overall_length3.000 INCHES NOMINAL IN
knuckle_quantity1
performance_typeNOT RATED
special_features2 HOLES 0.096-0.094 IN. SPACED 1.000 IN. APART BETWEEN 1ST AND 2ND AND 2ND AND 3RD HOLES IN
style_designatorBUTT PARALLEL HOLES
surface_treatmentANODIZE OVERALL
material_thickness0.312 INCHES NOMINAL IN
reversible_featureNOT INCLUDED
mounting_hole_diameter0.373 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN
NSN5340-01-197-0520
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5187187 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: 5
•
REVERSIBLE FEATURE: NOT INCLUDED
•
KNUCKLE INSIDE DIAMETER: 0.376 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: BUTT PARALLEL HOLES
•
MOUNTING HOLE DIAMETER: 0.373 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN
•
HINGE PIN: NOT INCLUDED
•
MATERIAL THICKNESS: 0.312 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY5
REVERSIBLE FEATURENOT INCLUDED
KNUCKLE INSIDE DIAMETER0.376 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
STYLE DESIGNATORBUTT PARALLEL HOLES
MOUNTING HOLE DIAMETER0.373 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN
OVERALL LENGTH3.000 INCHES NOMINAL IN
HINGE PINNOT INCLUDED
MATERIAL THICKNESS0.312 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH1.000 INCHES NOMINAL IN
KNUCKLE QUANTITY1
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 5187187?
5187187 is a LEAF,BUTT HINGE.
What is the NSN for 5187187?
5187187 is cataloged in the U.S. Government catalog under NSN 5340-01-197-0520. 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.