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MS28774-251 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MS28774-251: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: PLASTIC OVERALL, joint_type: SCARF-PERIPHERAL PACKING, peripheral_diameter: 5.375 INCHES NOMINAL IN, center_hole_diameter: 5.133 INCHES NOMINAL IN, cross-sectional_height: 0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN, cross-sectional_shape_style: SQUARE/RECTANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-892-4063, 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
MS28774-251
NSN: 5330-00-892-4063
FSC: 5330 — Packing and Gasket Materials
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialPLASTIC OVERALL
joint_typeSCARF-PERIPHERAL PACKING
peripheral_diameter5.375 INCHES NOMINAL IN
center_hole_diameter5.133 INCHES NOMINAL IN
cross-sectional_height0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
NSN5330-00-892-4063
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS28774-251 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: 0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
PERIPHERAL DIAMETER: 5.375 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 5.133 INCHES NOMINAL IN
•
MATERIAL: PLASTIC OVERALL
•
JOINT TYPE: SCARF-PERIPHERAL PACKING
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
PERIPHERAL DIAMETER5.375 INCHES NOMINAL IN
CENTER HOLE DIAMETER5.133 INCHES NOMINAL IN
MATERIALPLASTIC OVERALL
JOINT TYPESCARF-PERIPHERAL PACKING
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 3
S11248-251Reference document
Same NSN cross-reference
Reference document — Secondary reference
63900 ITEM 27Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
73696-16X5PC25Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 MS28774-251?
MS28774-251 is a PACKING,PREFORMED.
What parts can replace MS28774-251?
There are 3 known substitutes for MS28774-251: S11248-251, 63900 ITEM 27, 73696-16X5PC25. Substitute compatibility should be verified for your specific system.
What is the NSN for MS28774-251?
MS28774-251 is cataloged in the U.S. Government catalog under NSN 5330-00-892-4063. This indicates validated use in U.S. government and defense supply chains.
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