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40-273 ✓ Verified by PartsTable
Sandberg · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

PISTON,LINEAR ACTUATING CYLINDER. Key specifications include material: COPPER ALLOY, body_style: TEE, overall_height: 0.469 INCHES IN, overall_length: 3.121 INCHES NOMINAL IN, terminal_length: 0.210 INCHES IN, largest_diameter: 0.080 INCHES SINGLE END 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 5330-00-296-2898, 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
40-273
NSN: 5330-00-296-2898
FSC: 5330
CAGE: 30781 — PARKER-HANNIFIN CORPORATION DIV ENGINEERED POLYMER SYSTEMS DIVISION (EPS) (USA)
SPECIFICATIONS
materialCOPPER ALLOY
body_styleTEE
overall_height0.469 INCHES IN
overall_length3.121 INCHES NOMINAL IN
terminal_length0.210 INCHES IN
largest_diameter0.080 INCHES SINGLE END IN
outside_diameter2.938 INCHES NOMINAL IN
overall_diameter0.172 INCHES IN
special_featuresMATERIAL IS CAST BRONZE
basic_shape_styleNONTUBULAR, ROUND
surface_treatmentTIN CONDUCTOR ACCOMMODATION SINGLE LAYER
component_quantity8
NSN5330-00-296-2898
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 40-273 MFR: Sandberg ⚠ 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
1151-16-0519Interchangeable
interchangeable cross-reference
interchangeable
011-001623-003Interchangeable
interchangeable cross-reference
interchangeable
571-4027-03-05-19Interchangeable
interchangeable cross-reference
interchangeable
250040-068Interchangeable
interchangeable cross-reference
interchangeable
40273Interchangeable
interchangeable cross-reference
interchangeable
60022Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40-273?
40-273 is a PISTON,LINEAR ACTUATING CYLINDER manufactured by Sandberg.
What parts can replace 40-273?
There are 22 known substitutes for 40-273: 1151-16-0519, 011-001623-003, 571-4027-03-05-19 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40-273?
40-273 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-296-2898. 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