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7345MT987-4780 — PACKING ASSEMBLY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7345MT987-4780: PACKING ASSEMBLY.

The PACKING ASSEMBLY is a the manufacturer industrial component. Key specifications include height: 0.424 INCHES NOMINAL IN, material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING, joint_type: SCARF-PERIPHERAL RETAINER, inside_diameter: 3.996 INCHES NOMINAL IN, outside_diameter: 4.368 INCHES NOMINAL IN, special_features: GLAND DIMENSIONS PER(5F573)-345 AGT RING PISTON SEAL REQUIREMENTS. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-485-1143, 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
7345MT987-4780
NSN: 5330-01-485-1143
FSC: 5330 — Packing and Gasket Materials
CAGE: 5F573 — GREENE TWEED & CO INC (USA)
SPECIFICATIONS
height0.424 INCHES NOMINAL IN
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
joint_typeSCARF-PERIPHERAL RETAINER
inside_diameter3.996 INCHES NOMINAL IN
outside_diameter4.368 INCHES NOMINAL IN
special_featuresGLAND DIMENSIONS PER(5F573)-345 AGT RING PISTON SEAL REQUIREMENTS
end_item_identificationE-3A AIRCRAFT A
cross-sectional_shape_styleSQUARE/RECTANGULAR RETAINER
material_document_and_classification(5F573)4780 MFR REF SINGLE MATERIAL RESPONSE RETAINER
NSN5330-01-485-1143
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7345MT987-4780 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: 4.368 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: (5F573)4780 MFR REF SINGLE MATERIAL RESPONSE RETAINER
•
CROSS-SECTIONAL SHAPE STYLE: TEE PACKING
•
INSIDE DIAMETER: 3.996 INCHES NOMINAL IN
•
HEIGHT: 0.424 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER4.368 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION(5F573)4780 MFR REF SINGLE MATERIAL RESPONSE RETAINER
MATERIAL DOCUMENT AND CLASSIFICATION(5F573)COMPOUND 987 MFR REF SINGLE MATERIAL RESPONSE PACKING
CROSS-SECTIONAL SHAPE STYLETEE PACKING
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR RETAINER
INSIDE DIAMETER3.996 INCHES NOMINAL IN
HEIGHT0.424 INCHES NOMINAL IN
SPECIAL FEATURESGLAND DIMENSIONS PER(5F573)-345 AGT RING PISTON SEAL REQUIREMENTS
END ITEM IDENTIFICATIONE-3A AIRCRAFT A
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7345MT987-4780?
7345MT987-4780 is a PACKING ASSEMBLY.
What is the NSN for 7345MT987-4780?
7345MT987-4780 is cataloged in the U.S. Government catalog under NSN 5330-01-485-1143. This indicates validated use in U.S. government and defense supply chains.
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