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803-595903-X-39 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

803-595903-X-39: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 625 OVERALL, attachment_method: ROUND HOLE, peripheral_diameter: 2.000 INCHES NOMINAL IN, cross-sectional_height: 0.375 INCHES NOMINAL IN, attachment_hole_diameter: 0.402 INCHES NOMINAL IN, material_document_and_classification: ASTM B443 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-333-5531, 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
803-595903-X-39
NSN: 5330-01-333-5531
FSC: 5330 — Packing and Gasket Materials
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY 625 OVERALL
attachment_methodROUND HOLE
peripheral_diameter2.000 INCHES NOMINAL IN
cross-sectional_height0.375 INCHES NOMINAL IN
attachment_hole_diameter0.402 INCHES NOMINAL IN
attachment_feature_quantity2
material_document_and_classificationASTM B443 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-333-5531
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 803-595903-X-39 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: 0.402 INCHES NOMINAL IN
•
ATTACHMENT FEATURE QUANTITY: 2
•
CROSS-SECTIONAL HEIGHT: 0.375 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B443 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
PERIPHERAL DIAMETER: 2.000 INCHES NOMINAL IN
•
MATERIAL: NICKEL ALLOY 625 OVERALL
•
ATTACHMENT METHOD: ROUND HOLE
TECHNICAL CHARACTERISTICS
ATTACHMENT HOLE DIAMETER0.402 INCHES NOMINAL IN
ATTACHMENT FEATURE QUANTITY2
CROSS-SECTIONAL HEIGHT0.375 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B443 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PERIPHERAL DIAMETER2.000 INCHES NOMINAL IN
MATERIALNICKEL ALLOY 625 OVERALL
ATTACHMENT METHODROUND HOLE
SUBSTITUTES & CROSS-REFERENCES 2
524-6603688-VHBA-45Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
803-5959303-X-3 9Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 803-595903-X-39?
803-595903-X-39 is a RETAINER,PACKING.
What parts can replace 803-595903-X-39?
There are 2 known substitutes for 803-595903-X-39: 524-6603688-VHBA-45, 803-5959303-X-3 9. Substitute compatibility should be verified for your specific system.
What is the NSN for 803-595903-X-39?
803-595903-X-39 is cataloged in the U.S. Government catalog under NSN 5330-01-333-5531. 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.