PartsTable
Technical Data Sheet
MS28782-26 ✓ 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 TETRAFLUOROETHYLENE OVERALL, joint_type: SCARF-BUTT RETAINER, peripheral_diameter: 1.678 INCHES MINIMUM AND 1.682 INCHES MAXIMUM IN, center_hole_diameter: 1.438 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 5330-00-171-7346, 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
MS28782-26
NSN: 5330-00-171-7346
FSC: 5330
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
angle25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM
materialPLASTIC TETRAFLUOROETHYLENE OVERALL
joint_typeSCARF-BUTT RETAINER
peripheral_diameter1.678 INCHES MINIMUM AND 1.682 INCHES MAXIMUM IN
center_hole_diameter1.438 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
material_document_and_classificationMIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-171-7346
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS28782-26 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: 1.438 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
PERIPHERAL DIAMETER: 1.678 INCHES MINIMUM AND 1.682 INCHES MAXIMUM IN
JOINT TYPE: SCARF-BUTT RETAINER
CROSS-SECTIONAL SHAPE STYLE: SQUARE
MATERIAL: PLASTIC TETRAFLUOROETHYLENE OVERALL
ANGLE: 25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM
CROSS-SECTIONAL HEIGHT: 0.075 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER1.438 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
PERIPHERAL DIAMETER1.678 INCHES MINIMUM AND 1.682 INCHES MAXIMUM IN
JOINT TYPESCARF-BUTT RETAINER
CROSS-SECTIONAL SHAPE STYLESQUARE
MATERIALPLASTIC TETRAFLUOROETHYLENE OVERALL
ANGLE25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM
CROSS-SECTIONAL HEIGHT0.075 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN
CROSS-SECTIONAL THICKNESS0.025 INCHES MINIMUM AND 0.029 INCHES MAXIMUM IN
DISTANCE BETWEEN ENDS0.047 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
851-000Interchangeable
interchangeable cross-reference
interchangeable
98-2198Interchangeable
interchangeable cross-reference
interchangeable
5330PL1390900Interchangeable
Same NIIN cross-reference
interchangeable
5330PL1729894Interchangeable
Same NIIN cross-reference
interchangeable
255773PC108Interchangeable
Same NIIN cross-reference
interchangeable
MS28782Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS28782-26?
MS28782-26 is a RETAINER,PACKING.
What parts can replace MS28782-26?
There are 8 known substitutes for MS28782-26: 851-000, 98-2198, 5330PL1390900 and 5 more. Substitute compatibility should be verified for your specific system.
Is MS28782-26 still available?
MS28782-26 is currently cancelled.
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