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29178 ✓ 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 HEAD,LINEAR ACTUATING CYLINDER is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, material_document_and_classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-149-7248, 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
29178
NSN: 5330-00-149-7248
FSC: 5330
CAGE: 79150 — DANA AUTOMOTIVE SYSTEMS GROUP, LLC DBA DANA SEALING PRODUCTS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
material_document_and_classificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-149-7248
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 29178 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 SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
HOLE DIAMETER: 0.656 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
APERTURE DIAMETER: 9.000 INCHES NOMINAL IN
•
MATERIAL: CORK OVERALL
•
OUTSIDE DIAMETER: 12.438 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 10.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
HOLE DIAMETER0.656 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
APERTURE DIAMETER9.000 INCHES NOMINAL IN
MATERIALCORK OVERALL
OUTSIDE DIAMETER12.438 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER10.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
E2839PC212Interchangeable
interchangeable cross-reference
interchangeable
E2852PC212Interchangeable
interchangeable cross-reference
interchangeable
E2861PC212Interchangeable
interchangeable cross-reference
interchangeable
29178Interchangeable
interchangeable cross-reference
interchangeable
170-28415Interchangeable
interchangeable cross-reference
interchangeable
170-28415 ITEM 35Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 29178?
29178 is a HEAD,LINEAR ACTUATING CYLINDER.
What parts can replace 29178?
There are 6 known substitutes for 29178: E2839PC212, E2852PC212, E2861PC212 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 29178?
29178 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-149-7248. 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