PartsTable
Technical Data Sheet
Download PDF

B623 NON-ASBESTOS — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

B623 NON-ASBESTOS: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include outside_diameter: 0.688 INCHES NOMINAL IN, special_features: MATERIAL NON-ASBESTOS, style_designator: CIRCULAR, aperture_diameter: 0.438 INCHES NOMINAL IN, cross-sectional_thickness: 0.109 INCHES NOMINAL IN, cross-sectional_shape_style: METAL WITH SOFT FILLER. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-380-0804, 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
B623 NON-ASBESTOS
NSN: 5330-01-380-0804
FSC: 5330 — Packing and Gasket Materials
CAGE: 64104 — DRESSER, LLC (USA)
SPECIFICATIONS
outside_diameter0.688 INCHES NOMINAL IN
special_featuresMATERIAL NON-ASBESTOS
style_designatorCIRCULAR
aperture_diameter0.438 INCHES NOMINAL IN
cross-sectional_thickness0.109 INCHES NOMINAL IN
cross-sectional_shape_styleMETAL WITH SOFT FILLER
environmental_attribute_codeASBESTOS ALTERNATIVE PRODUCTS
NSN5330-01-380-0804
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B623 NON-ASBESTOS 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 THICKNESS: 0.109 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: METAL WITH SOFT FILLER
•
OUTSIDE DIAMETER: 0.688 INCHES NOMINAL IN
•
APERTURE DIAMETER: 0.438 INCHES NOMINAL IN
•
ENVIRONMENTAL ATTRIBUTE CODE: ASBESTOS ALTERNATIVE PRODUCTS
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.109 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLEMETAL WITH SOFT FILLER
OUTSIDE DIAMETER0.688 INCHES NOMINAL IN
APERTURE DIAMETER0.438 INCHES NOMINAL IN
SPECIAL FEATURESMATERIAL NON-ASBESTOS
ENVIRONMENTAL ATTRIBUTE CODEASBESTOS ALTERNATIVE PRODUCTS
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy B623 NON-ASBESTOS?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is B623 NON-ASBESTOS?
B623 NON-ASBESTOS is a GASKET.
What is the NSN for B623 NON-ASBESTOS?
B623 NON-ASBESTOS is cataloged in the U.S. Government catalog under NSN 5330-01-380-0804. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — B623 NON-ASBESTOS

✓ 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.