PartsTable
Technical Data Sheet
Download PDF

74815459 — CYLINDER ASSEMBLY,HYDRAULIC BRAK

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

74815459: CYLINDER ASSEMBLY,HYDRAULIC BRAK.

CYLINDER ASSEMBLY,HYDRAULIC BRAK. Key specifications include material: IRON CAST BODY, port_style: INVERTED FLARE LOCATION NOT OTHERWISE SPECIFIED, overall_width: 4.280 INCHES NOMINAL IN, overall_height: 5.080 INCHES NOMINAL IN, reservoir_type: INTEGRAL, actuation_method: DIRECT. This part is cataloged in the U.S.

Government catalog under NSN 2530-00-919-4907, 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
74815459
NSN: 2530-00-919-4907
FSC: 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
CAGE: 0AHU0 — KALMAR AC INC (USA)
SPECIFICATIONS
materialIRON CAST BODY
port_styleINVERTED FLARE LOCATION NOT OTHERWISE SPECIFIED
overall_width4.280 INCHES NOMINAL IN
overall_height5.080 INCHES NOMINAL IN
reservoir_typeINTEGRAL
actuation_methodDIRECT
features_providedRUBBER BOOT
port_thread_class2B LOCATION NOT OTHERWISE SPECIFIED
seat_angle_in_deg42.0 LOCATION NOT OTHERWISE SPECIFIED
mounting_provisionUNTHREADED MOUNTING HOLES
port_thread_diameter0.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
mounting_facility_diameter0.438 INCHES NOMINAL IN
NSN2530-00-919-4907
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CYLINDER ASSEMBLY,HYDRAULIC BRAK TITLE COMPONENT PN 74815459 MFR CYLINDER ASSEMBLY,HYDR
KEY FEATURES
•
ACTUATION METHOD: DIRECT
•
MOUNTING FACILITY DIAMETER: 0.438 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING PROVISIONS: 3.375 INCHES NOMINAL IN
•
SEAT ANGLE IN DEG: 42.0 LOCATION NOT OTHERWISE SPECIFIED
•
PORT THREAD SERIES DESIGNATOR: UNF LOCATION NOT OTHERWISE SPECIFIED
•
MOUNTING PROVISION ARRANGEMENT STYLE: TWO HOLE
TECHNICAL CHARACTERISTICS
ACTUATION METHODDIRECT
MOUNTING FACILITY DIAMETER0.438 INCHES NOMINAL IN
OVERALL HEIGHT5.080 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING PROVISIONS3.375 INCHES NOMINAL IN
SEAT ANGLE IN DEG42.0 LOCATION NOT OTHERWISE SPECIFIED
PORT THREAD SERIES DESIGNATORUNF LOCATION NOT OTHERWISE SPECIFIED
MOUNTING PROVISION ARRANGEMENT STYLETWO HOLE
OVERALL WIDTH4.280 INCHES NOMINAL IN
PORT THREAD CLASS2B LOCATION NOT OTHERWISE SPECIFIED
FEATURES PROVIDEDRUBBER BOOT
SUBSTITUTES & CROSS-REFERENCES 2
4791102Reference document
Same NSN cross-reference
Reference document — Secondary reference
48154595Reference 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
Ready to buy 74815459?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 74815459?
74815459 is a CYLINDER ASSEMBLY,HYDRAULIC BRAK.
What parts can replace 74815459?
There are 2 known substitutes for 74815459: 4791102, 48154595. Substitute compatibility should be verified for your specific system.
What is the NSN for 74815459?
74815459 is cataloged in the U.S. Government catalog under NSN 2530-00-919-4907. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 74815459

✓ 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.