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MC254 — PARTS KIT,HYDRAULIC BRAKE MASTER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MC254: PARTS KIT,HYDRAULIC BRAKE MASTER.

PARTS KIT,HYDRAULIC BRAKE MASTER. Key specifications include end_item_identification: 6515-01-561-2228, MIDAS REX LEGEND EHS KT, part_name_assigned_by_controlling_agency: TOOL DRILL SURG METAL CUTTING 25.4MM DIA 0.8MM HEAD L MIDAS REX MM. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-244-7325, 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
MC254
NSN: 5340-00-244-7325
NIINs: 002447325, 003839862, 015620620
FSC: 5340 — Hardware, Commercial
CAGE: Z1BN2 — MILLENNIUM COUPLING COMPANY PTY LTD (AUS)
SPECIFICATIONS
end_item_identification6515-01-561-2228, MIDAS REX LEGEND EHS KT
part_name_assigned_by_controlling_agencyTOOL DRILL SURG METAL CUTTING 25.4MM DIA 0.8MM HEAD L MIDAS REX MM
NSN5340-00-244-7325
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MC254 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
•
STRETCHING/SEALING MACHINE NAME: .NONE
•
STRAPPING WIDTH FOR WHICH DESIGNED: 0.500 INCHES NOMINAL IN
•
SEALING TOOL NAME: .BAND-IT TOOL
•
STRAPPING TYPE FOR WHICH DESIGNED: STEEL
•
SEALING TOOL MODEL NUMBER: NONE
•
SEALING EQUIPMENT FOR WHICH DESIGNED: SEALING TOOL OR STRETCHING/SEALING MACHINE
•
DESIGN TYPE: OPEN
•
EARS: INCLUDED
TECHNICAL CHARACTERISTICS
STRETCHING/SEALING MACHINE NAME.NONE
STRAPPING WIDTH FOR WHICH DESIGNED0.500 INCHES NOMINAL IN
SEALING TOOL NAME.BAND-IT TOOL
STRAPPING TYPE FOR WHICH DESIGNEDSTEEL
SEALING TOOL MODEL NUMBERNONE
SEALING EQUIPMENT FOR WHICH DESIGNEDSEALING TOOL OR STRETCHING/SEALING MACHINE
DESIGN TYPEOPEN
EARSINCLUDED
SURFACE TREATMENTPASSIVATE
WIDTH0.500 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 4
04248101Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
C25499Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MCD4122ITEM5Reference document
Same NSN cross-reference
Reference document — Secondary reference
C-154Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MC254?
MC254 is a PARTS KIT,HYDRAULIC BRAKE MASTER.
What parts can replace MC254?
There are 4 known substitutes for MC254: 04248101, C25499, MCD4122ITEM5 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MC254?
MC254 is cataloged in the U.S. Government catalog under NSN 5340-00-244-7325. 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.