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71522 — PISTON,HYDRAULIC BRAKE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

71522: PISTON,HYDRAULIC BRAKE.

The PISTON,HYDRAULIC BRAKE is a the manufacturer industrial component. Key specifications include length: 2.065 INCHES NOMINAL IN, material: ALUMINUM ALLOY, head_style: FILLISTER, head_height: 0.194 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.490 INCHES MINIMUM AND 0.518 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 2530-00-079-8458, 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
71522
NSN: 2530-00-079-8458
NIINs: 000798458, 004568457, 010717116, 011505886, 015685124
FSC: 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
CAGE: 95097 — LITTLE GIANT CRANE AND SHOVEL INC (USA)
SPECIFICATIONS
length2.065 INCHES NOMINAL IN
materialALUMINUM ALLOY
head_styleFILLISTER
head_height0.194 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.490 INCHES MINIMUM AND 0.518 INCHES MAXIMUM IN
thread_length1.204 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
screw_materialSTEEL
fastener_length1.315 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
outside_diameter2.370 INCHES NOMINAL IN
special_featuresMANUFACTURE DESCRIPTION: THERMOSTAT, SAFETY, COMPRESSOR, 1 AND 2 OPEN ON DECREASE, 64/72.
thread_directionRIGHT-HAND
NSN2530-00-079-8458
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PISTON,HYDRAULIC BRAKE TITLE COMPONENT PN 71522 MFR PISTON,HYDRAULIC BRAKE
KEY FEATURES
•
LENGTH: 2.065 INCHES NOMINAL IN
•
SURFACE CONDITION: EXTERNALLY GROOVED
•
OUTSIDE DIAMETER: 2.370 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS
LENGTH2.065 INCHES NOMINAL IN
SURFACE CONDITIONEXTERNALLY GROOVED
OUTSIDE DIAMETER2.370 INCHES NOMINAL IN
SPECIAL FEATURESW/0.215 IN. WIDE SEAL RING GROOVE AROUND OD IN
END ITEM IDENTIFICATIONCLARK MODEL 290M;TRACTOR,WHEELED,IND.,DIESEL DRIVEN;MED DBP,NSN 2420000889384,W/ROPS NSN 2420010590090 W
MATERIALALUMINUM ALLOY
SUBSTITUTES & CROSS-REFERENCES 5
2455359Reference document
Same NSN cross-reference
Reference document — Secondary reference
17-BV-66Reference document
Same NSN cross-reference
Reference document — Secondary reference
L32329Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
194982Reference document
Same NSN cross-reference
Reference document — Secondary reference
624VLK0365BReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 71522?
71522 is a PISTON,HYDRAULIC BRAKE.
What parts can replace 71522?
There are 5 known substitutes for 71522: 2455359, 17-BV-66, L32329 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 71522?
71522 is cataloged in the U.S. Government catalog under NSN 2530-00-079-8458. 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.