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8722185 — LEAF,BUTT HINGE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8722185: LEAF,BUTT HINGE.

The LEAF,BUTT HINGE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hinge_pin: NOT INCLUDED, knuckle_type: FRICTION, knuckle_length: 0.781 INCHES NOMINAL IN, overall_length: 4.000 INCHES NOMINAL IN, performance_type: NOT RATED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-031-7021, 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
8722185
NSN: 5340-01-031-7021
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hinge_pinNOT INCLUDED
knuckle_typeFRICTION
knuckle_length0.781 INCHES NOMINAL IN
overall_length4.000 INCHES NOMINAL IN
knuckle_quantity2
performance_typeNOT RATED
style_designatorBUTT PARALLEL HOLES
material_thickness0.312 INCHES NOMINAL IN
reversible_featureNOT INCLUDED
mounting_hole_diameter0.500 INCHES NOMINAL IN
mounting_hole_quantity2
NSN5340-01-031-7021
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8722185 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: 0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: BUTT PARALLEL HOLES
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-630 COMPOSITION C1010 THRU C1020 FED SPEC SINGLE MATERIAL RESPONSE OR ASTM A576 GRADE 1010 THRU 1020 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A108 GRADE 1010 THRU 1020 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-S-637 COMPOSITION 1110 THRU 1119 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MOUNTING HOLE DIAMETER: 0.500 INCHES NOMINAL IN
•
PIN CENTER TO BODY EDGE DISTANCE: 1.930 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY2
REVERSIBLE FEATURENOT INCLUDED
KNUCKLE INSIDE DIAMETER0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
STYLE DESIGNATORBUTT PARALLEL HOLES
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-630 COMPOSITION C1010 THRU C1020 FED SPEC SINGLE MATERIAL RESPONSE OR ASTM A576 GRADE 1010 THRU 1020 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A108 GRADE 1010 THRU 1020 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-S-637 COMPOSITION 1110 THRU 1119 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MOUNTING HOLE DIAMETER0.500 INCHES NOMINAL IN
OVERALL LENGTH4.000 INCHES NOMINAL IN
PIN CENTER TO BODY EDGE DISTANCE1.930 INCHES NOMINAL IN
HINGE PINNOT INCLUDED
MATERIAL THICKNESS0.312 INCHES NOMINAL IN
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 8722185?
8722185 is a LEAF,BUTT HINGE.
What is the NSN for 8722185?
8722185 is cataloged in the U.S. Government catalog under NSN 5340-01-031-7021. This indicates validated use in U.S. government and defense supply chains.
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