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M1059 PC 11 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

M1059 PC 11: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM OVERALL, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL OVERALL, outside_diameter: 1.875 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 1.562 INCHES NOMINAL IN, elongation_percentage: 125 MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-263-3868, 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
M1059 PC 11
NSN: 5330-01-263-3868
FSC: 5330 — Packing and Gasket Materials
CAGE: 0ASY6 — DERBYSHIRE MARINE PRODUCTS, LLC DBA DERBYSHIRE MARINE PRODUCTS LLC (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM OVERALL
hardness_rating75.0 SHORE DUROMETER A NOMINAL OVERALL
outside_diameter1.875 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter1.562 INCHES NOMINAL IN
elongation_percentage125 MAXIMUM
cross-sectional_thickness0.188 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-R-83248 TYPE 2 CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-263-3868
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M1059 PC 11 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 THICKNESS: 0.188 INCHES NOMINAL IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL OVERALL
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-83248 TYPE 2 CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 1.875 INCHES NOMINAL IN
•
APERTURE DIAMETER: 1.562 INCHES NOMINAL IN
•
ELONGATION PERCENTAGE: 125 MAXIMUM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.188 INCHES NOMINAL IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL OVERALL
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-83248 TYPE 2 CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER1.875 INCHES NOMINAL IN
APERTURE DIAMETER1.562 INCHES NOMINAL IN
ELONGATION PERCENTAGE125 MAXIMUM
MATERIALRUBBER FLUOROCARBON CLASS FPM 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 2
17707-01KReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
803-5959276PC11Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M1059 PC 11?
M1059 PC 11 is a GASKET.
What parts can replace M1059 PC 11?
There are 2 known substitutes for M1059 PC 11: 17707-01K, 803-5959276PC11. Substitute compatibility should be verified for your specific system.
What is the NSN for M1059 PC 11?
M1059 PC 11 is cataloged in the U.S. Government catalog under NSN 5330-01-263-3868. 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.