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5M7590 — PACKING ASSEMBLY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5M7590: PACKING ASSEMBLY.

The PACKING ASSEMBLY is a the manufacturer industrial component. Key specifications include height: 1.313 INCHES NOMINAL IN, cut_type: RECTANGULAR INTERMEDIATE RING, inside_diameter: 1.000 INCHES NOMINAL IN, outside_diameter: 1.875 INCHES NOMINAL IN, cross-sectional_shape_style: SQUARE/RECTANGULAR BOTTOM RING. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-962-4570, 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
5M7590
NSN: 5330-00-962-4570
FSC: 5330 — Packing and Gasket Materials
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
height1.313 INCHES NOMINAL IN
cut_typeRECTANGULAR INTERMEDIATE RING
inside_diameter1.000 INCHES NOMINAL IN
outside_diameter1.875 INCHES NOMINAL IN
intermediate_ring_quantity1
cross-sectional_shape_styleSQUARE/RECTANGULAR BOTTOM RING
NSN5330-00-962-4570
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5M7590 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
•
INTERMEDIATE RING QUANTITY: 1
•
OUTSIDE DIAMETER: 1.875 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR BOTTOM RING
•
CUT TYPE: RECTANGULAR TOP RING
TECHNICAL CHARACTERISTICS
INTERMEDIATE RING QUANTITY1
OUTSIDE DIAMETER1.875 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR BOTTOM RING
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR TOP RING
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR INTERMEDIATE RING
CUT TYPERECTANGULAR TOP RING
CUT TYPERECTANGULAR BOTTOM RING
CUT TYPERECTANGULAR INTERMEDIATE RING
INSIDE DIAMETER1.000 INCHES NOMINAL IN
HEIGHT1.313 INCHES NOMINAL IN
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 5M7590?
5M7590 is a PACKING ASSEMBLY.
What is the NSN for 5M7590?
5M7590 is cataloged in the U.S. Government catalog under NSN 5330-00-962-4570. 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.