PartsTable
Technical Data Sheet
PartsTable / MRO / 8643
8643 ✓ Verified by PartsTable
Giochi Preziosi · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The 8643 is a Giochi Preziosi industrial component. Key specifications include end_item_identification: 6625-01-069-0955 DIGITAL DATA SYSTEM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-253-1091, 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
MRO→ MRO_GENERAL→ 8643
NSN: 5330-00-253-1091
FSC: 5330
CAGE: 79150 — DANA AUTOMOTIVE SYSTEMS GROUP, LLC DBA DANA SEALING PRODUCTS (USA)
SPECIFICATIONS
end_item_identification6625-01-069-0955 DIGITAL DATA SYSTEM
NSN5330-00-253-1091
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8643 MFR: Giochi Preziosi ⚠ 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
•
APERTURE DIAMETER: 3.000 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.625 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: METAL WITH SOFT FILLER
•
MATERIAL: ASBESTOS AND COPPER OVERALL
•
STYLE DESIGNATOR: CIRCULAR
•
OUTSIDE DIAMETER: 3.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
APERTURE DIAMETER3.000 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.625 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEMETAL WITH SOFT FILLER
MATERIALASBESTOS AND COPPER OVERALL
STYLE DESIGNATORCIRCULAR
OUTSIDE DIAMETER3.625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
3289Interchangeable
interchangeable cross-reference
interchangeable
45609Interchangeable
interchangeable cross-reference
interchangeable
17090Interchangeable
interchangeable cross-reference
interchangeable
211LInterchangeable
interchangeable cross-reference
interchangeable
731740Interchangeable
interchangeable cross-reference
interchangeable
211GInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 8643?
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 8643?
8643 is a 8643 manufactured by Giochi Preziosi. It is classified as a MRO (MRO_GENERAL).
What parts can replace 8643?
There are 16 known substitutes for 8643: 3289, 45609, 17090 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8643?
8643 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-253-1091. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 8643

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026