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3J8903 — RING,RETAINING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3J8903: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include document_type: PARTS LIST, document_source: 77521, document_identification: 711255, component_document_origin: INDUSTRIAL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-263-8323, 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
3J8903
NSN: 5330-01-263-8323
NIINs: 012638323, 013949104
FSC: 5330 — Packing and Gasket Materials
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
document_typePARTS LIST
document_source77521
component_quantity6
document_identification711255
component_document_originINDUSTRIAL
component_document_page_number1
NSN5330-01-263-8323
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3J8903 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
•
COMPONENT QUANTITY: 6
•
DOCUMENT TYPE: PARTS LIST
•
COMPONENT DOCUMENT PAGE NUMBER: 1
•
DOCUMENT IDENTIFICATION: 711255
•
COMPONENT DOCUMENT ORIGIN: INDUSTRIAL
•
DOCUMENT SOURCE: 77521
TECHNICAL CHARACTERISTICS
COMPONENT QUANTITY6
DOCUMENT TYPEPARTS LIST
COMPONENT DOCUMENT PAGE NUMBER1
DOCUMENT IDENTIFICATION711255
COMPONENT DOCUMENT ORIGININDUSTRIAL
DOCUMENT SOURCE77521
SUBSTITUTES & CROSS-REFERENCES 1
711255Reference document
Same NSN cross-reference
Reference document — Design control — primary 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 3J8903?
3J8903 is a RING,RETAINING.
What parts can replace 3J8903?
There is 1 known substitute for 3J8903: 711255. Substitute compatibility should be verified for your specific system.
What is the NSN for 3J8903?
3J8903 is cataloged in the U.S. Government catalog under NSN 5330-01-263-8323. This indicates validated use in U.S. government and defense supply chains.
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