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Technical Data Sheet

M28840/24CA — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

M28840/24CA: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q OVERALL, hole_diameter: 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 1.258 INCHES MINIMUM AND 1.274 INCHES MAXIMUM IN, overall_length: 1.258 INCHES MINIMUM AND 1.274 INCHES MAXIMUM IN, hardness_rating: 50.0 SHORE DUROMETER A NOMINAL OVERALL, aperture_diameter: 1.062 INCHES MINIMUM AND 1.078 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-437-0108, 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
M28840/24CA
NSN: 5330-01-437-0108
NIINs: 014370108, 014376537
FSC: 5330 — Packing and Gasket Materials
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q OVERALL
hole_diameter0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
overall_width1.258 INCHES MINIMUM AND 1.274 INCHES MAXIMUM IN
overall_length1.258 INCHES MINIMUM AND 1.274 INCHES MAXIMUM IN
hardness_rating50.0 SHORE DUROMETER A NOMINAL OVERALL
aperture_diameter1.062 INCHES MINIMUM AND 1.078 INCHES MAXIMUM IN
bolt_hole_quantity4
outside_corner_radius0.131 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN
cross-sectional_thickness0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
specification/standard_data81349-MIL-C-28840 GOVERNMENT SPECIFICATION
NSN5330-01-437-0108
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M28840/24CA 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
•
SPECIFICATION/STANDARD DATA: 81349-MIL-C-28840 GOVERNMENT SPECIFICATION
•
TEST DATA DOCUMENT: 81349-MIL-C-28840 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
TECHNICAL CHARACTERISTICS
SPECIFICATION/STANDARD DATA81349-MIL-C-28840 GOVERNMENT SPECIFICATION
TEST DATA DOCUMENT81349-MIL-C-28840 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
SUBSTITUTES & CROSS-REFERENCES 2
MIL-DTL-28840/24Reference document
Same NSN cross-reference
Reference document — Identification reference
MIL-C-28840Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M28840/24CA?
M28840/24CA is a GASKET.
What parts can replace M28840/24CA?
There are 2 known substitutes for M28840/24CA: MIL-DTL-28840/24, MIL-C-28840. Substitute compatibility should be verified for your specific system.
What is the NSN for M28840/24CA?
M28840/24CA is cataloged in the U.S. Government catalog under NSN 5330-01-437-0108. This indicates validated use in U.S. government and defense supply chains.
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