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2594-001-376 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2594-001-376: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: GRAPHITE OVERALL, special_features: GRAPHITE RIBBON, peripheral_diameter: 1.000 INCHES NOMINAL IN, center_hole_diameter: 0.562 INCHES NOMINAL IN, cross-sectional_height: 0.188 INCHES NOMINAL IN, end_item_identification: 1.5IN.GATE VALVE IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-618-8186, 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
2594-001-376
NSN: 5330-01-618-8186
FSC: 5330 — Packing and Gasket Materials
CAGE: 57574 — VELAN VALVE CORP. (USA)
SPECIFICATIONS
materialGRAPHITE OVERALL
special_featuresGRAPHITE RIBBON
peripheral_diameter1.000 INCHES NOMINAL IN
center_hole_diameter0.562 INCHES NOMINAL IN
cross-sectional_height0.188 INCHES NOMINAL IN
end_item_identification1.5IN.GATE VALVE IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
material_document_and_classificationMIL-P-24583,TYII,CL 2,GR 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyPACKING RING
NSN5330-01-618-8186
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2594-001-376 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: 0.188 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-24583,TYII,CL 2,GR 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
PERIPHERAL DIAMETER: 1.000 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.562 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.188 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-24583,TYII,CL 2,GR 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
PERIPHERAL DIAMETER1.000 INCHES NOMINAL IN
SPECIAL FEATURESGRAPHITE RIBBON
CENTER HOLE DIAMETER0.562 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYPACKING RING
END ITEM IDENTIFICATION1.5IN.GATE VALVE IN
MATERIALGRAPHITE OVERALL
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 1
23399-5ITEM13(1.50 INCH)Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 2594-001-376?
2594-001-376 is a PACKING,PREFORMED.
What parts can replace 2594-001-376?
There is 1 known substitute for 2594-001-376: 23399-5ITEM13(1.50 INCH). Substitute compatibility should be verified for your specific system.
What is the NSN for 2594-001-376?
2594-001-376 is cataloged in the U.S. Government catalog under NSN 5330-01-618-8186. 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.