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Technical Data Sheet
550 20 ✓ 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 SHOCK ABSORBER,DIRECT ACTION is a the manufacturer industrial component. Key specifications include material: STEEL ALLOY OVERALL, body_style: BUSHING MOUNT, body_width: 0.820 INCHES NOMINAL IN, point_type: SPLIT, body_height: 3.031 INCHES NOMINAL IN, body_length: 1.380 INCHES NOMINAL 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 5340-00-600-2913, 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
550 20
NSN: 5340-00-600-2913
FSC: 5340
CAGE: 82423 — KLEINSCHMIDT INC (USA)
SPECIFICATIONS
materialSTEEL ALLOY OVERALL
body_styleBUSHING MOUNT
body_width0.820 INCHES NOMINAL IN
point_typeSPLIT
body_height3.031 INCHES NOMINAL IN
body_length1.380 INCHES NOMINAL IN
point_angle135.0 DEGREES NOMINAL
shank_styleSTRAIGHT ROUND
flute_length2.125 INCHES NOMINAL IN
actuator_styleROUND
bushing_length0.290 INCHES NOMINAL IN
flute_quantity2
NSN5340-00-600-2913
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 550 20 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
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
11598Upgraded Successor
successor cross-reference
successor
R11598Upgraded Successor
successor cross-reference
successor
55020Interchangeable
interchangeable cross-reference
interchangeable
46690Interchangeable
interchangeable cross-reference
interchangeable
818 20Interchangeable
interchangeable cross-reference
interchangeable
1881895Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 550 20?
550 20 is a SHOCK ABSORBER,DIRECT ACTION.
What parts can replace 550 20?
There are 13 known substitutes for 550 20: 11598, R11598, 55020 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 550 20?
550 20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-600-2913. This indicates validated use in U.S. government and defense supply chains.
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