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1240-36539 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1240-36539: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM OVERALL, temp_rating: 300.0 FAHRENHEIT DEGF, hole_diameter: 0.194 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, special_features: OFFSET SHAFT DIA 1.582 IN. W/ AN IRREGULAR APERTURE IN, surface_treatment: ANODIZE OVERALL, gage_ring_thickness: 0.139 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 5330-01-128-7085, 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
1240-36539
NSN: 5330-01-128-7085
FSC: 5330 — Packing and Gasket Materials
CAGE: 1DAD1 — MENTIS SCIENCES INC (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM OVERALL
temp_rating300.0 FAHRENHEIT DEGF
hole_diameter0.194 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
special_featuresOFFSET SHAFT DIA 1.582 IN. W/ AN IRREGULAR APERTURE IN
surface_treatmentANODIZE OVERALL
bolt_hole_quantity1
gage_ring_thickness0.139 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
maximum_pressure_rating50.0 POUNDS PER SQUARE INCH (PSI) LBS
material_document_and_classificationMIL-R-83248 TY 1 CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5330-01-128-7085
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1240-36539 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
•
TEMP RATING: 300.0 FAHRENHEIT DEGF
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
GAGE RING THICKNESS: 0.139 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
•
MAXIMUM PRESSURE RATING: 50.0 POUNDS PER SQUARE INCH (PSI) LBS
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-83248 TY 1 CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
BOLT HOLE QUANTITY: 1
TECHNICAL CHARACTERISTICS
TEMP RATING300.0 FAHRENHEIT DEGF
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
GAGE RING THICKNESS0.139 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
MAXIMUM PRESSURE RATING50.0 POUNDS PER SQUARE INCH (PSI) LBS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-83248 TY 1 CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
ELONGATION PERCENTAGE125 MAXIMUM
BOLT HOLE QUANTITY1
SPECIAL FEATURESOFFSET SHAFT DIA 1.582 IN. W/ AN IRREGULAR APERTURE IN
SURFACE TREATMENTANODIZE OVERALL
MATERIALRUBBER FLUOROCARBON CLASS FPM OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
36539Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
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 1240-36539?
1240-36539 is a GASKET.
What parts can replace 1240-36539?
There is 1 known substitute for 1240-36539: 36539. Substitute compatibility should be verified for your specific system.
What is the NSN for 1240-36539?
1240-36539 is cataloged in the U.S. Government catalog under NSN 5330-01-128-7085. 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.