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BB-1583 — SEAL,PORT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

BB-1583: SEAL,PORT.

The SEAL,PORT is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-076-9857, 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
BB-1583
NSN: 5330-01-076-9857
FSC: 5330 — Packing and Gasket Materials
CAGE: 53424 — CUNICO CORPORATION (USA)
SPECIFICATIONS
Part NumberBB-1583
NSN5330-01-076-9857
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: BB-1583 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
SUBSTITUTES & CROSS-REFERENCES 2
DD-4686 REF NO 10Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
DD-4836 ITEM 10Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 BB-1583?
BB-1583 is a SEAL,PORT.
What parts can replace BB-1583?
There are 2 known substitutes for BB-1583: DD-4686 REF NO 10, DD-4836 ITEM 10. Substitute compatibility should be verified for your specific system.
What is the NSN for BB-1583?
BB-1583 is cataloged in the U.S. Government catalog under NSN 5330-01-076-9857. 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.