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1550306-11 — RING,RETAINING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1550306-11: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: RING, RETAINING. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-791-5519, 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
1550306-11
NSN: 5330-00-791-5519
NIINs: 007915519, 015876869
FSC: 5330 — Packing and Gasket Materials
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyRING, RETAINING
NSN5330-00-791-5519
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1550306-11 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: 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: OVAL
•
PERIPHERAL DIAMETER: 3.128 INCHES MINIMUM AND 3.130 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 3.000 INCHES MINIMUM AND 3.005 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEOVAL
PERIPHERAL DIAMETER3.128 INCHES MINIMUM AND 3.130 INCHES MAXIMUM IN
CENTER HOLE DIAMETER3.000 INCHES MINIMUM AND 3.005 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
1550306PC11Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
650206PC411Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 1550306-11?
1550306-11 is a RING,RETAINING.
What parts can replace 1550306-11?
There are 2 known substitutes for 1550306-11: 1550306PC11, 650206PC411. Substitute compatibility should be verified for your specific system.
What is the NSN for 1550306-11?
1550306-11 is cataloged in the U.S. Government catalog under NSN 5330-00-791-5519. This indicates validated use in U.S. government and defense supply chains.
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