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MS28774-246 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MS28774-246: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include cut_type: DIAGONAL OVERALL, material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, joint_type: SCARF-PERIPHERAL ONE SIDE, peripheral_diameter: 4.741 INCHES MINIMUM AND 4.746 INCHES MAXIMUM IN, center_hole_diameter: 4.503 INCHES MINIMUM AND 4.507 INCHES MAXIMUM IN, cross-sectional_height: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-585-3555, 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
MS28774-246
NSN: 5330-00-585-3555
NIINs: 005853555, 012136926
FSC: 5330 — Packing and Gasket Materials
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
cut_typeDIAGONAL OVERALL
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
joint_typeSCARF-PERIPHERAL ONE SIDE
peripheral_diameter4.741 INCHES MINIMUM AND 4.746 INCHES MAXIMUM IN
center_hole_diameter4.503 INCHES MINIMUM AND 4.507 INCHES MAXIMUM IN
cross-sectional_height0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
material_document_and_classificationSAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-585-3555
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS28774-246 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 HEIGHT: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
CUT TYPE: DIAGONAL OVERALL
•
PERIPHERAL DIAMETER: 4.741 INCHES MINIMUM AND 4.746 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 4.503 INCHES MINIMUM AND 4.507 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
•
JOINT TYPE: SCARF-PERIPHERAL ONE SIDE
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
CUT TYPEDIAGONAL OVERALL
PERIPHERAL DIAMETER4.741 INCHES MINIMUM AND 4.746 INCHES MAXIMUM IN
CENTER HOLE DIAMETER4.503 INCHES MINIMUM AND 4.507 INCHES MAXIMUM IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
JOINT TYPESCARF-PERIPHERAL ONE SIDE
SUBSTITUTES & CROSS-REFERENCES 2
SAE-AS8791Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS28774Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS28774-246?
MS28774-246 is a RETAINER,PACKING.
What parts can replace MS28774-246?
There are 2 known substitutes for MS28774-246: SAE-AS8791, MS28774. Substitute compatibility should be verified for your specific system.
What is the NSN for MS28774-246?
MS28774-246 is cataloged in the U.S. Government catalog under NSN 5330-00-585-3555. This indicates validated use in U.S. government and defense supply chains.
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