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Technical Data Sheet
PartsTable / COMPONENT / MS28782-23
MS28782-23 ✓ 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 PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include angle: 25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM, material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, joint_type: SCARF-BUTT RETAINER, peripheral_diameter: 1.492 INCHES NOMINAL IN, center_hole_diameter: 1.250 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 5330-00-171-6758, 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
MS28782-23
NSN: 5330-00-171-6758
FSC: 5330
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
angle25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
joint_typeSCARF-BUTT RETAINER
peripheral_diameter1.492 INCHES NOMINAL IN
center_hole_diameter1.250 INCHES NOMINAL IN
distance_between_ends0.047 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
cross-sectional_thickness0.025 INCHES MINIMUM AND 0.029 INCHES MAXIMUM IN
cross-sectional_shape_styleSQUARE
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsCLEANED IN ACCORDANCE WITH MIL-C-52211
NSN5330-00-171-6758
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS28782-23 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
•
CENTER HOLE DIAMETER: 1.250 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.025 INCHES MINIMUM AND 0.029 INCHES MAXIMUM IN
•
JOINT TYPE: SCARF-BUTT RETAINER
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE
•
DISTANCE BETWEEN ENDS: 0.047 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC TETRAFLUOROETHYLENE OVERALL
•
ANGLE: 25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER1.250 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.025 INCHES MINIMUM AND 0.029 INCHES MAXIMUM IN
JOINT TYPESCARF-BUTT RETAINER
MATERIAL DOCUMENT AND CLASSIFICATIONSAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESQUARE
DISTANCE BETWEEN ENDS0.047 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
MATERIALPLASTIC TETRAFLUOROETHYLENE OVERALL
ANGLE25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM
CROSS-SECTIONAL HEIGHT0.075 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN
PERIPHERAL DIAMETER1.490 INCHES MINIMUM AND 1.494 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
4824-3279069PC37Interchangeable
interchangeable cross-reference
interchangeable
MS28782Interchangeable
interchangeable cross-reference
interchangeable
4809-F, PC 38Interchangeable
interchangeable cross-reference
interchangeable
5330PL0892547Interchangeable
interchangeable cross-reference
interchangeable
MS28782-23CPInterchangeable
interchangeable cross-reference
interchangeable
MS28782-23Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS28782-23?
MS28782-23 is a PACKING,PREFORMED.
What parts can replace MS28782-23?
There are 15 known substitutes for MS28782-23: 4824-3279069PC37, MS28782, 4809-F, PC 38 and 12 more. Substitute compatibility should be verified for your specific system.
Is MS28782-23 still available?
MS28782-23 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026