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637790 — PACKING MATERIAL

✓ Government record, cited
Legrand · ORING SEAL
PRODUCT OVERVIEW

637790: PACKING MATERIAL.

The PACKING MATERIAL is a Legrand industrial component. Key specifications include length: 2.802 INCHES MINIMUM AND 2.822 INCHES MAXIMUM IN, material: RUBBER SYNTHETIC, fabrication_method: SOLID, cross-sectional_shape_style: CIRCULAR, cross_section_outside_diameter: 0.356 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-297-5290, 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
637790
NSN: 5330-00-297-5290
FSC: 5330 — Packing and Gasket Materials
CAGE: 34623 — AM GENERAL LLC (USA)
SPECIFICATIONS
length2.802 INCHES MINIMUM AND 2.822 INCHES MAXIMUM IN
materialRUBBER SYNTHETIC
fabrication_methodSOLID
cross-sectional_shape_styleCIRCULAR
cross_section_outside_diameter0.356 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
NSN5330-00-297-5290
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 637790 MFR: Legrand ⚠ 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
•
LENGTH: 2.802 INCHES MINIMUM AND 2.822 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: CIRCULAR
•
CROSS SECTION OUTSIDE DIAMETER: 0.356 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC
•
FABRICATION METHOD: SOLID
TECHNICAL CHARACTERISTICS
LENGTH2.802 INCHES MINIMUM AND 2.822 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLECIRCULAR
CROSS SECTION OUTSIDE DIAMETER0.356 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC
FABRICATION METHODSOLID
SUBSTITUTES & CROSS-REFERENCES 1
GPW6701Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 637790?
637790 is a PACKING MATERIAL manufactured by Legrand.
What parts can replace 637790?
There is 1 known substitute for 637790: GPW6701. Substitute compatibility should be verified for your specific system.
What is the NSN for 637790?
637790 is cataloged in the U.S. Government catalog under NSN 5330-00-297-5290. This indicates validated use in U.S. government and defense supply chains.
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