PartsTable
Technical Data Sheet
MS28782 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include angle: 25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM, material: PLASTIC EPOXY AND PAPER OVERALL, joint_type: SCARF-BUTT RETAINER, peripheral_diameter: 1.552 INCHES MINIMUM AND 1.556 INCHES MAXIMUM IN, center_hole_diameter: 1.312 INCHES NOMINAL IN, distance_between_ends: 0.047 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-171-5042, 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
MS28782
NSN: 5330-00-171-5042
FSC: 5330
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
angle25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM
materialPLASTIC EPOXY AND PAPER OVERALL
joint_typeSCARF-BUTT RETAINER
peripheral_diameter1.552 INCHES MINIMUM AND 1.556 INCHES MAXIMUM IN
center_hole_diameter1.312 INCHES NOMINAL IN
distance_between_ends0.047 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
cross-sectional_height0.075 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN
cross-sectional_thickness0.025 INCHES MINIMUM AND 0.029 INCHES MAXIMUM IN
cross-sectional_shape_styleSQUARE
departure_from_cited_documentCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
criticality_code_justificationZZZW
material_document_and_classificationSAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-171-5042
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS28782 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: 0.025 INCHES MINIMUM AND 0.029 INCHES MAXIMUM IN
MATERIAL: PLASTIC TETRAFLUOROETHYLENE OVERALL
CROSS-SECTIONAL SHAPE STYLE: SQUARE
JOINT TYPE: SCARF-BUTT RETAINER
ANGLE: 25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM
CROSS-SECTIONAL HEIGHT: 0.075 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN
DISTANCE BETWEEN ENDS: 0.032 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
CENTER HOLE DIAMETER: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL THICKNESS0.025 INCHES MINIMUM AND 0.029 INCHES MAXIMUM IN
MATERIALPLASTIC TETRAFLUOROETHYLENE OVERALL
CROSS-SECTIONAL SHAPE STYLESQUARE
JOINT TYPESCARF-BUTT RETAINER
ANGLE25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM
CROSS-SECTIONAL HEIGHT0.075 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN
DISTANCE BETWEEN ENDS0.032 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.375 INCHES NOMINAL IN
PERIPHERAL DIAMETER0.483 INCHES MINIMUM AND 0.487 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
38.0123Interchangeable
interchangeable cross-reference
interchangeable
C0320-HInterchangeable
interchangeable cross-reference
interchangeable
380123-24Interchangeable
interchangeable cross-reference
interchangeable
380123Interchangeable
interchangeable cross-reference
interchangeable
DS563CS24M1Interchangeable
interchangeable cross-reference
interchangeable
21817 FIND 46Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS28782?
MS28782 is a RETAINER,PACKING.
What parts can replace MS28782?
There are 14 known substitutes for MS28782: 38.0123, C0320-H, 380123-24 and 11 more. Substitute compatibility should be verified for your specific system.
Is MS28782 still available?
MS28782 is currently cancelled.
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