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PartsTable / COMPONENT / SS8813
SS8813 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The SUPPORT,SHOCK STRUT,HELICOPTER is a the manufacturer industrial component. Key specifications include end_item_identification: 1520-01-035-0266, general_characteristics_item_description: CUP-SHAPED,7 HOLES 0.250 IN. OD,CENTER APETURE 0.750 IN.

OD,PART OF MAIN LANDING GEAR IN. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-132-8247, 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
SS8813
NSN: 5340-01-132-8247
FSC: 5340
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
end_item_identification1520-01-035-0266
general_characteristics_item_descriptionCUP-SHAPED,7 HOLES 0.250 IN. OD,CENTER APETURE 0.750 IN. OD,PART OF MAIN LANDING GEAR IN
NSN5340-01-132-8247
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SS8813 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
•
INSIDE DIAMETER LENGTH: 1.000 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6758, COMP 4130 MIL SPEC SINGLE MATERIAL RESPONSE
•
OVERALL DIAMETER: 2.1855 INCHES MINIMUM AND 2.1860 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 4130
•
DESIGN TYPE: FRICTION
•
ROUND CAP OUTSIDE SURFACE CONDITION: SMOOTH
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE DIAMETER LENGTH1.000 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758, COMP 4130 MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL DIAMETER2.1855 INCHES MINIMUM AND 2.1860 INCHES MAXIMUM IN
MATERIALSTEEL COMP 4130
DESIGN TYPEFRICTION
ROUND CAP OUTSIDE SURFACE CONDITIONSMOOTH
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
SS9999Interchangeable
interchangeable cross-reference
interchangeable
SS9300Interchangeable
interchangeable cross-reference
interchangeable
70400-25160-103Interchangeable
interchangeable cross-reference
interchangeable
MIL-S-18729CInterchangeable
interchangeable cross-reference
interchangeable
MIL-STD-1949AInterchangeable
interchangeable cross-reference
interchangeable
SS8813Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SS8813?
SS8813 is a SUPPORT,SHOCK STRUT,HELICOPTER.
What parts can replace SS8813?
There are 12 known substitutes for SS8813: SS9999, SS9300, 70400-25160-103 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SS8813?
SS8813 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-132-8247. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026