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D6621B1 — SEAL,NONMETALLIC ROUND SECTION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

D6621B1: SEAL,NONMETALLIC ROUND SECTION.

The SEAL,NONMETALLIC ROUND SECTION is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, construction: SOLID, style_designator: CIRCULAR, aperture_diameter: 13.028 INCHES NOMINAL IN, cross-sectional_shape_style: CIRCULAR WITH CENTER APERTURE, cross_section_outside_diameter: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-451-1768, 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
D6621B1
NSN: 5330-00-451-1768
FSC: 5330 — Packing and Gasket Materials
CAGE: 98376 — STAR CASES LLC DBA ZERO MANUFACTURING (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
constructionSOLID
style_designatorCIRCULAR
aperture_diameter13.028 INCHES NOMINAL IN
cross-sectional_shape_styleCIRCULAR WITH CENTER APERTURE
cross_section_outside_diameter0.250 INCHES NOMINAL IN
NSN5330-00-451-1768
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D6621B1 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
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: CIRCULAR WITH CENTER APERTURE
•
APERTURE DIAMETER: 13.028 INCHES NOMINAL IN
•
CROSS SECTION OUTSIDE DIAMETER: 0.250 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
•
CONSTRUCTION: SOLID
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLECIRCULAR WITH CENTER APERTURE
APERTURE DIAMETER13.028 INCHES NOMINAL IN
CROSS SECTION OUTSIDE DIAMETER0.250 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
CONSTRUCTIONSOLID
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 1
10557434-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D6621B1?
D6621B1 is a SEAL,NONMETALLIC ROUND SECTION.
What parts can replace D6621B1?
There is 1 known substitute for D6621B1: 10557434-2. Substitute compatibility should be verified for your specific system.
What is the NSN for D6621B1?
D6621B1 is cataloged in the U.S. Government catalog under NSN 5330-00-451-1768. This indicates validated use in U.S. government and defense supply chains.
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