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5959304-44 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5959304-44: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 625 OVERALL, attachment_method: ROUND HOLE, rim_surface_width: 0.500 INCHES NOMINAL IN, peripheral_diameter: 4.750 INCHES NOMINAL IN, center_hole_diameter: 2.515 INCHES MINIMUM AND 2.525 INCHES MAXIMUM IN, cross-sectional_height: 0.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-330-0503, 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
5959304-44
NSN: 5330-01-330-0503
FSC: 5330 — Packing and Gasket Materials
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialNICKEL ALLOY 625 OVERALL
attachment_methodROUND HOLE
rim_surface_width0.500 INCHES NOMINAL IN
peripheral_diameter4.750 INCHES NOMINAL IN
center_hole_diameter2.515 INCHES MINIMUM AND 2.525 INCHES MAXIMUM IN
cross-sectional_height0.750 INCHES NOMINAL IN
attachment_hole_diameter0.406 INCHES NOMINAL IN
cross-sectional_thickness0.367 INCHES NOMINAL IN
attachment_feature_quantity4
cross-sectional_shape_styleFLANGE
attachment_feature_circle_diameter4.000 INCHES NOMINAL SINGLE CIRCLE IN
material_document_and_classificationASTM B443 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B446 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-330-0503
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5959304-44 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
•
ATTACHMENT HOLE DIAMETER: 0.406 INCHES NOMINAL IN
•
ATTACHMENT FEATURE QUANTITY: 4
•
CROSS-SECTIONAL THICKNESS: 0.367 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.750 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B443 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B446 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
RIM SURFACE WIDTH: 0.500 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: FLANGE
•
ATTACHMENT FEATURE CIRCLE DIAMETER: 4.000 INCHES NOMINAL SINGLE CIRCLE IN
TECHNICAL CHARACTERISTICS
ATTACHMENT HOLE DIAMETER0.406 INCHES NOMINAL IN
ATTACHMENT FEATURE QUANTITY4
CROSS-SECTIONAL THICKNESS0.367 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.750 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B443 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B446 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
RIM SURFACE WIDTH0.500 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEFLANGE
ATTACHMENT FEATURE CIRCLE DIAMETER4.000 INCHES NOMINAL SINGLE CIRCLE IN
PERIPHERAL DIAMETER4.750 INCHES NOMINAL IN
CENTER HOLE DIAMETER2.515 INCHES MINIMUM AND 2.525 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 2
803-5959304-X-44Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
256-6603687-VHBM-52Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 5959304-44?
5959304-44 is a RETAINER,PACKING.
What parts can replace 5959304-44?
There are 2 known substitutes for 5959304-44: 803-5959304-X-44, 256-6603687-VHBM-52. Substitute compatibility should be verified for your specific system.
What is the NSN for 5959304-44?
5959304-44 is cataloged in the U.S. Government catalog under NSN 5330-01-330-0503. 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.