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H643-6503-86 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

H643-6503-86: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include angle: 30.0 DEGREES NOMINAL, material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, special_features: BASE OF CROSS SECTION IS UNDER CUT ON BOTH SIDES AT .03 INCHES HIGH AND A 45 DEGREE ANGLE IN, peripheral_diameter: 1.180 INCHES NOMINAL IN, center_hole_diameter: 0.810 INCHES NOMINAL IN, cross-sectional_height: 0.140 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-625-2816, 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
H643-6503-86
NSN: 5330-01-625-2816
FSC: 5330 — Packing and Gasket Materials
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
angle30.0 DEGREES NOMINAL
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
special_featuresBASE OF CROSS SECTION IS UNDER CUT ON BOTH SIDES AT .03 INCHES HIGH AND A 45 DEGREE ANGLE IN
peripheral_diameter1.180 INCHES NOMINAL IN
center_hole_diameter0.810 INCHES NOMINAL IN
cross-sectional_height0.140 INCHES NOMINAL IN
end_item_identificationCYLINDER ASSEMBLY
material_document_and_classificationMIL-P-5510 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-625-2816
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H643-6503-86 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
•
CROSS-SECTIONAL HEIGHT: 0.140 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-5510 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
ANGLE: 30.0 DEGREES NOMINAL
•
PERIPHERAL DIAMETER: 1.180 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.810 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.140 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-5510 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
ANGLE30.0 DEGREES NOMINAL
PERIPHERAL DIAMETER1.180 INCHES NOMINAL IN
SPECIAL FEATURESBASE OF CROSS SECTION IS UNDER CUT ON BOTH SIDES AT .03 INCHES HIGH AND A 45 DEGREE ANGLE IN
CENTER HOLE DIAMETER0.810 INCHES NOMINAL IN
END ITEM IDENTIFICATIONCYLINDER ASSEMBLY
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is H643-6503-86?
H643-6503-86 is a PACKING,PREFORMED.
What is the NSN for H643-6503-86?
H643-6503-86 is cataloged in the U.S. Government catalog under NSN 5330-01-625-2816. This indicates validated use in U.S. government and defense supply chains.
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