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2579237-001A — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2579237-001A: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: PAPER AND PLASTIC PHENOLIC OR COTTON AND PLASTIC PHENOLIC OR GLASS AND PLASTIC MELAMINE OVERALL, peripheral_diameter: 4.550 INCHES NOMINAL IN, center_hole_diameter: 3.764 INCHES MINIMUM AND 3.767 INCHES MAXIMUM IN, cross-sectional_height: 0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN, cross-sectional_shape_style: FLANGE, flanged_body_outside_diameter: 3.960 INCHES MINIMUM AND 3.965 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-497-7302, 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
2579237-001A
NSN: 5330-00-497-7302
FSC: 5330 — Packing and Gasket Materials
CAGE: 6K4C8 — GOODRICH CORPORATION (USA)
SPECIFICATIONS
materialPAPER AND PLASTIC PHENOLIC OR COTTON AND PLASTIC PHENOLIC OR GLASS AND PLASTIC MELAMINE OVERALL
peripheral_diameter4.550 INCHES NOMINAL IN
center_hole_diameter3.764 INCHES MINIMUM AND 3.767 INCHES MAXIMUM IN
cross-sectional_height0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
cross-sectional_shape_styleFLANGE
flanged_body_outside_diameter3.960 INCHES MINIMUM AND 3.965 INCHES MAXIMUM IN
material_document_and_classificationMIL-P-79 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-497-7302
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2579237-001A 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: 0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-79 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: FLANGE
•
FLANGED BODY OUTSIDE DIAMETER: 3.960 INCHES MINIMUM AND 3.965 INCHES MAXIMUM IN
•
PERIPHERAL DIAMETER: 4.550 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 3.764 INCHES MINIMUM AND 3.767 INCHES MAXIMUM IN
•
MATERIAL: PAPER AND PLASTIC PHENOLIC OR COTTON AND PLASTIC PHENOLIC OR GLASS AND PLASTIC MELAMINE OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-79 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLEFLANGE
FLANGED BODY OUTSIDE DIAMETER3.960 INCHES MINIMUM AND 3.965 INCHES MAXIMUM IN
PERIPHERAL DIAMETER4.550 INCHES NOMINAL IN
CENTER HOLE DIAMETER3.764 INCHES MINIMUM AND 3.767 INCHES MAXIMUM IN
MATERIALPAPER AND PLASTIC PHENOLIC OR COTTON AND PLASTIC PHENOLIC OR GLASS AND PLASTIC MELAMINE 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

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 2579237-001A?
2579237-001A is a RETAINER,PACKING.
What is the NSN for 2579237-001A?
2579237-001A is cataloged in the U.S. Government catalog under NSN 5330-00-497-7302. 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.