PartsTable
Technical Data Sheet
MS28774-345 ✓ 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 cut_type: DIAGONAL OVERALL, material: PLASTIC EPOXY AND PAPER OVERALL, joint_type: SCARF-PERIPHERAL RETAINER, peripheral_diameter: 4.391 INCHES MINIMUM AND 4.397 INCHES MAXIMUM IN, center_hole_diameter: 4.027 INCHES MINIMUM AND 4.029 INCHES MAXIMUM IN, cross-sectional_height: 0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-582-2148, 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
MS28774-345
NSN: 5330-00-582-2148
FSC: 5330
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
cut_typeDIAGONAL OVERALL
materialPLASTIC EPOXY AND PAPER OVERALL
joint_typeSCARF-PERIPHERAL RETAINER
peripheral_diameter4.391 INCHES MINIMUM AND 4.397 INCHES MAXIMUM IN
center_hole_diameter4.027 INCHES MINIMUM AND 4.029 INCHES MAXIMUM IN
cross-sectional_height0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
material_document_and_classificationSAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-582-2148
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS28774-345 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
MATERIAL: PLASTIC EPOXY AND PAPER OVERALL
JOINT TYPE: SCARF-PERIPHERAL RETAINER
MATERIAL DOCUMENT AND CLASSIFICATION: SAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
CUT TYPE: DIAGONAL OVERALL
PERIPHERAL DIAMETER: 4.391 INCHES MINIMUM AND 4.397 INCHES MAXIMUM IN
CENTER HOLE DIAMETER: 4.027 INCHES MINIMUM AND 4.029 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
CROSS-SECTIONAL HEIGHT: 0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC EPOXY AND PAPER OVERALL
JOINT TYPESCARF-PERIPHERAL RETAINER
MATERIAL DOCUMENT AND CLASSIFICATIONSAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
CUT TYPEDIAGONAL OVERALL
PERIPHERAL DIAMETER4.391 INCHES MINIMUM AND 4.397 INCHES MAXIMUM IN
CENTER HOLE DIAMETER4.027 INCHES MINIMUM AND 4.029 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
CROSS-SECTIONAL HEIGHT0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
9379-4161Interchangeable
interchangeable cross-reference
interchangeable
9379-4161 PC15Interchangeable
interchangeable cross-reference
interchangeable
31704Interchangeable
interchangeable cross-reference
interchangeable
13AD6D1084CPC29Interchangeable
interchangeable cross-reference
interchangeable
D8904PC36Interchangeable
interchangeable cross-reference
interchangeable
3F1905PC48Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS28774-345?
MS28774-345 is a RETAINER,PACKING.
What parts can replace MS28774-345?
There are 11 known substitutes for MS28774-345: 9379-4161, 9379-4161 PC15, 31704 and 8 more. Substitute compatibility should be verified for your specific system.
Is MS28774-345 still available?
MS28774-345 is currently cancelled.
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