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Technical Data Sheet
25259 ✓ Verified by PartsTable
Clementoni · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The CLAMP,HYDRAULIC ACCUMULATOR is a Clementoni industrial component. Key specifications include material: STEEL CORROSION RESISTING SINGLE END, design_form: PREBENT, thread_class: 3B SINGLE END, wall_thickness: 0.018 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN, thread_direction: RIGHT-HAND SINGLE END, seat_angle_in_deg: 33.0 SINGLE END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-187-1528, 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
25259
NSN: 5330-00-187-1528
FSC: 5330
CAGE: 44674 — THE OILGEAR COMPANY DBA JIFFY LUBE 213 DIV OILGEAR (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING SINGLE END
design_formPREBENT
thread_class3B SINGLE END
wall_thickness0.018 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
thread_directionRIGHT-HAND SINGLE END
seat_angle_in_deg33.0 SINGLE END
mating_end_quantity2 SINGLE END
nominal_thread_size0.438 INCHES SINGLE END IN
end_connection_styleSWIVEL NUT, FLARED SINGLE END
tube_outside_diameter0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
end_connection_spec/stdMIL,@MS20819,PART NO. MS 20819-4K AND AN818,PART NO. AN818-4K
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) SINGLE END
NSN5330-00-187-1528
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 25259 MFR: Clementoni ⚠ 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
OUTSIDE DIAMETER: 2.750 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS: 0.062 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR METAL
APERTURE DIAMETER: 2.250 INCHES NOMINAL IN
MATERIAL: COPPER ALLOY OVERALL
STYLE DESIGNATOR: CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER2.750 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR METAL
APERTURE DIAMETER2.250 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
121-122Interchangeable
interchangeable cross-reference
interchangeable
854517Interchangeable
interchangeable cross-reference
interchangeable
K5960Interchangeable
interchangeable cross-reference
interchangeable
25259Interchangeable
interchangeable cross-reference
interchangeable
25261Interchangeable
interchangeable cross-reference
interchangeable
4276-36PC9Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 25259?
25259 is a CLAMP,HYDRAULIC ACCUMULATOR manufactured by Clementoni.
What parts can replace 25259?
There are 12 known substitutes for 25259: 121-122, 854517, K5960 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 25259?
25259 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-187-1528. This indicates validated use in U.S. government and defense supply chains.
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