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SB8504-101 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

SB8504-101: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include functional_description: PART OF THE INSTALLATION/REMOVAL SEAL KIT, supplementary_features: TECHNICAL MANUAL CATALOG:63-21-02, type/model_designation: S92A, end_item_identification: SIKORSKY HELICOPTER MODEL S-92A A, part_name_assigned_by_controlling_agency: INPUT SEAL,IMPUT GEARBOX. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-666-4861, 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
SB8504-101
NSN: 5330-01-666-4861
FSC: 5330 — Packing and Gasket Materials
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
functional_descriptionPART OF THE INSTALLATION/REMOVAL SEAL KIT
supplementary_featuresTECHNICAL MANUAL CATALOG:63-21-02
type/model_designationS92A
end_item_identificationSIKORSKY HELICOPTER MODEL S-92A A
part_name_assigned_by_controlling_agencyINPUT SEAL,IMPUT GEARBOX
NSN5330-01-666-4861
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SB8504-101 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
•
SUPPLEMENTARY FEATURES: TECHNICAL MANUAL CATALOG:63-21-02
•
FUNCTIONAL DESCRIPTION: PART OF THE INSTALLATION/REMOVAL SEAL KIT
•
TYPE/MODEL DESIGNATION: S92A
TECHNICAL CHARACTERISTICS
SUPPLEMENTARY FEATURESTECHNICAL MANUAL CATALOG:63-21-02
FUNCTIONAL DESCRIPTIONPART OF THE INSTALLATION/REMOVAL SEAL KIT
PART NAME ASSIGNED BY CONTROLLING AGENCYINPUT SEAL,IMPUT GEARBOX
END ITEM IDENTIFICATIONSIKORSKY HELICOPTER MODEL S-92A A
TYPE/MODEL DESIGNATIONS92A
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
1-2875-3Same 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 SB8504-101?
SB8504-101 is a SEAL,PLAIN ENCASED.
What parts can replace SB8504-101?
There is 1 known substitute for SB8504-101: 1-2875-3. Substitute compatibility should be verified for your specific system.
What is the NSN for SB8504-101?
SB8504-101 is cataloged in the U.S. Government catalog under NSN 5330-01-666-4861. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.