PartsTable
Technical Data Sheet
MS28774-226 ✓ 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 POLYTETRAFLUOROETHYLENE OVERALL, peripheral_diameter: 2.257 INCHES MINIMUM AND 2.263 INCHES MAXIMUM IN, center_hole_diameter: 2.021 INCHES MINIMUM AND 2.258 INCHES MAXIMUM IN, cross-sectional_height: 0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN, cross-sectional_shape_style: SQUARE/RECTANGULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-582-1547, 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
MS28774-226
NSN: 5330-00-582-1547
FSC: 5330
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
cut_typeDIAGONAL OVERALL
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
peripheral_diameter2.257 INCHES MINIMUM AND 2.263 INCHES MAXIMUM IN
center_hole_diameter2.021 INCHES MINIMUM AND 2.258 INCHES MAXIMUM IN
cross-sectional_height0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
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
NSN5330-00-582-1547
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS28774-226 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
JOINT TYPE: SCARF-PERIPHERAL RETAINER
MATERIAL: PLASTIC EPOXY AND PAPER OVERALL
CUT TYPE: DIAGONAL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: SAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
PERIPHERAL DIAMETER: 2.258 INCHES MINIMUM AND 2.262 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
CROSS-SECTIONAL HEIGHT: 0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
CENTER HOLE DIAMETER: 2.021 INCHES MINIMUM AND 2.023 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
JOINT TYPESCARF-PERIPHERAL RETAINER
MATERIALPLASTIC EPOXY AND PAPER OVERALL
CUT TYPEDIAGONAL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
PERIPHERAL DIAMETER2.258 INCHES MINIMUM AND 2.262 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
CROSS-SECTIONAL HEIGHT0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
CENTER HOLE DIAMETER2.021 INCHES MINIMUM AND 2.023 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
845-2181262 PC 12Interchangeable
interchangeable cross-reference
interchangeable
2620-932X1PC12,1INInterchangeable
interchangeable cross-reference
interchangeable
MS28774Interchangeable
interchangeable cross-reference
interchangeable
5006389Interchangeable
interchangeable cross-reference
interchangeable
MS28774-226Interchangeable
interchangeable cross-reference
interchangeable
MS28774-226CPInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS28774-226?
MS28774-226 is a RETAINER,PACKING.
What parts can replace MS28774-226?
There are 10 known substitutes for MS28774-226: 845-2181262 PC 12, 2620-932X1PC12,1IN, MS28774 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS28774-226?
MS28774-226 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-582-1547. This indicates validated use in U.S. government and defense supply chains.
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