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12B-5-1 — SHOCK ABSORBER,DIRECT ACTION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

12B-5-1: SHOCK ABSORBER,DIRECT ACTION.

The SHOCK ABSORBER,DIRECT ACTION is a the manufacturer industrial component. Key specifications include operation_method: HYDRAULIC, protective_shield_type: DUST, nominal_extended_length: 25.750 INCHES IN, nominal_compressed_length: 17.000 INCHES IN, piston_end_connection_style: RING, piston_end_nominal_thickness: 1.750 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 2510-01-263-9551, 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
12B-5-1
NSN: 2510-01-263-9551
FSC: 2510 — Vehicular Cab, Body, and Frame Structural Components
CAGE: 35573 — MOTOR COACH INDUSTRIES LTD (CAN)
SPECIFICATIONS
operation_methodHYDRAULIC
protective_shield_typeDUST
nominal_extended_length25.750 INCHES IN
nominal_compressed_length17.000 INCHES IN
piston_end_connection_styleRING
piston_end_nominal_thickness1.750 INCHES IN
cylinder_end_connection_styleRING
cylinder_end_nominal_thickness1.750 INCHES IN
piston_end_nominal_inside_diameter1.000 INCHES IN
cylinder_end_nominal_inside_diameter1.000 INCHES IN
NSN2510-01-263-9551
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHOCK ABSORBER,DIRECT ACTION TITLE COMPONENT PN 12B-5-1 MFR SHOCK ABSORBER,DIRECT
KEY FEATURES
•
NOMINAL EXTENDED LENGTH: 25.750 INCHES IN
•
PISTON END NOMINAL INSIDE DIAMETER: 1.000 INCHES IN
•
PISTON END NOMINAL THICKNESS: 1.750 INCHES IN
•
CYLINDER END CONNECTION STYLE: RING
•
CYLINDER END NOMINAL THICKNESS: 1.750 INCHES IN
•
NOMINAL COMPRESSED LENGTH: 17.000 INCHES IN
•
PROTECTIVE SHIELD TYPE: DUST
•
CYLINDER END NOMINAL INSIDE DIAMETER: 1.000 INCHES IN
TECHNICAL CHARACTERISTICS
NOMINAL EXTENDED LENGTH25.750 INCHES IN
PISTON END NOMINAL INSIDE DIAMETER1.000 INCHES IN
PISTON END NOMINAL THICKNESS1.750 INCHES IN
CYLINDER END CONNECTION STYLERING
CYLINDER END NOMINAL THICKNESS1.750 INCHES IN
NOMINAL COMPRESSED LENGTH17.000 INCHES IN
PROTECTIVE SHIELD TYPEDUST
CYLINDER END NOMINAL INSIDE DIAMETER1.000 INCHES IN
PISTON END CONNECTION STYLERING
OPERATION METHODHYDRAULIC
SUBSTITUTES & CROSS-REFERENCES 1
78157Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 12B-5-1?
12B-5-1 is a SHOCK ABSORBER,DIRECT ACTION.
What parts can replace 12B-5-1?
There is 1 known substitute for 12B-5-1: 78157. Substitute compatibility should be verified for your specific system.
What is the NSN for 12B-5-1?
12B-5-1 is cataloged in the U.S. Government catalog under NSN 2510-01-263-9551. 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.