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7426MT-P4 — PACKING ASSEMBLY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7426MT-P4: PACKING ASSEMBLY.

The PACKING ASSEMBLY is a the manufacturer industrial component. Key specifications include height: 0.424 INCHES NOMINAL IN, material: PLASTIC POLYTETRAFLUOROETHYLENE BOTTOM RING, inside_diameter: 4.622 INCHES NOMINAL IN, outside_diameter: 5.099 INCHES NOMINAL IN, special_features: GREEN-TWEED AGT PISTON SEAL, end_item_identification: MV-22 AIRCRAFT. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-517-7614, 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
7426MT-P4
NSN: 5330-01-517-7614
FSC: 5330 — Packing and Gasket Materials
CAGE: 5F573 — GREENE TWEED & CO INC (USA)
SPECIFICATIONS
height0.424 INCHES NOMINAL IN
materialPLASTIC POLYTETRAFLUOROETHYLENE BOTTOM RING
inside_diameter4.622 INCHES NOMINAL IN
outside_diameter5.099 INCHES NOMINAL IN
special_featuresGREEN-TWEED AGT PISTON SEAL
end_item_identificationMV-22 AIRCRAFT
cross-sectional_shape_styleSQUARE/RECTANGULAR OVERALL
criticality_code_justificationAGAV
part_name_assigned_by_controlling_agencyINAVY RING,BACKUP,AIRCRAFT
NSN5330-01-517-7614
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7426MT-P4 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
•
OUTSIDE DIAMETER: 5.099 INCHES NOMINAL IN
•
CRITICALITY CODE JUSTIFICATION: AGAV
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR OVERALL
•
INSIDE DIAMETER: 4.622 INCHES NOMINAL IN
•
HEIGHT: 0.424 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER5.099 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATIONAGAV
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR OVERALL
INSIDE DIAMETER4.622 INCHES NOMINAL IN
HEIGHT0.424 INCHES NOMINAL IN
SPECIAL FEATURESGREEN-TWEED AGT PISTON SEAL
PART NAME ASSIGNED BY CONTROLLING AGENCYINAVY RING,BACKUP,AIRCRAFT
END ITEM IDENTIFICATIONMV-22 AIRCRAFT
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE BOTTOM RING
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE TOP RING
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7426MT-P4?
7426MT-P4 is a PACKING ASSEMBLY.
What is the NSN for 7426MT-P4?
7426MT-P4 is cataloged in the U.S. Government catalog under NSN 5330-01-517-7614. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.