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90897 — PUSH ROD,HYDRAULIC BRAKE MASTER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

90897: PUSH ROD,HYDRAULIC BRAKE MASTER.

PUSH ROD,HYDRAULIC BRAKE MASTER. Key specifications include material: STEEL, thread_size: 9/16-IN. - 18, rod_diameter: 0.500 INCHES NOMINAL IN, overall_length: 5.062 INCHES MINIMUM AND 5.094 INCHES MAXIMUM IN, fsc_application_data: WHEEL,HALF TRACK, piston_socket_end_style: SPERICAL.

This part is cataloged in the U.S. Government catalog under NSN 5330-00-417-8121, 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
90897
NSN: 5330-00-417-8121
NIINs: 004178121, 004622529
FSC: 5330 — Packing and Gasket Materials
CAGE: 45RP7 — DRESSTA NORTH AMERICA LTD (USA)
SPECIFICATIONS
materialSTEEL
thread_size9/16-IN. - 18
rod_diameter0.500 INCHES NOMINAL IN
overall_length5.062 INCHES MINIMUM AND 5.094 INCHES MAXIMUM IN
fsc_application_dataWHEEL,HALF TRACK
piston_socket_end_styleSPERICAL
link_rod_connecting_end_styleTHREADED INTERNAL, HEXAGON
NSN5330-00-417-8121
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 90897 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
SUBSTITUTES & CROSS-REFERENCES 1
D-70775Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 90897?
90897 is a PUSH ROD,HYDRAULIC BRAKE MASTER.
What parts can replace 90897?
There is 1 known substitute for 90897: D-70775. Substitute compatibility should be verified for your specific system.
What is the NSN for 90897?
90897 is cataloged in the U.S. Government catalog under NSN 5330-00-417-8121. 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.