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4257 18702625 — RING,WIPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4257 18702625: RING,WIPER.

The RING,WIPER is a the manufacturer industrial component. Key specifications include material: RUBBER CARBOXYLIC-NITRILE-BUTADIENE CLASS XNBR OVERALL, ring_style: CONCENTRIC, inside_diameter: 2.625 INCHES NOMINAL IN, material_thickness: 0.206 INCHES NOMINAL IN, storage_temp_range: -65.0 TO 300.0 FAHRENHEIT DEGF, end_item_identification: LIQUID OXYGEN/NITRO. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-733-1846, 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
4257 18702625
NSN: 5330-01-733-1846
FSC: 5330 — Packing and Gasket Materials
CAGE: 0GAY3 — PARKER SEAL GROUP ALPHA SEAL AND PACKING DIV (USA)
SPECIFICATIONS
materialRUBBER CARBOXYLIC-NITRILE-BUTADIENE CLASS XNBR OVERALL
ring_styleCONCENTRIC
inside_diameter2.625 INCHES NOMINAL IN
material_thickness0.206 INCHES NOMINAL IN
storage_temp_range-65.0 TO 300.0 FAHRENHEIT DEGF
end_item_identificationLIQUID OXYGEN/NITRO
cross-sectional_shape_stylePLAIN RECTANGULAR, STRAIGHT FACE
part_name_assigned_by_controlling_agencySEAL, PISTON
NSN5330-01-733-1846
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4257 18702625 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
•
CROSS-SECTIONAL SHAPE STYLE: PLAIN RECTANGULAR, STRAIGHT FACE
•
MATERIAL THICKNESS: 0.206 INCHES NOMINAL IN
•
INSIDE DIAMETER: 2.625 INCHES NOMINAL IN
•
RING STYLE: CONCENTRIC
•
STORAGE TEMP RANGE: -65.0 TO 300.0 FAHRENHEIT DEGF
•
MATERIAL: RUBBER CARBOXYLIC-NITRILE-BUTADIENE CLASS XNBR OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
MATERIAL THICKNESS0.206 INCHES NOMINAL IN
INSIDE DIAMETER2.625 INCHES NOMINAL IN
RING STYLECONCENTRIC
STORAGE TEMP RANGE-65.0 TO 300.0 FAHRENHEIT DEGF
PART NAME ASSIGNED BY CONTROLLING AGENCYSEAL, PISTON
END ITEM IDENTIFICATIONLIQUID OXYGEN/NITRO
MATERIALRUBBER CARBOXYLIC-NITRILE-BUTADIENE CLASS XNBR OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
790903Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 4257 18702625?
4257 18702625 is a RING,WIPER.
What parts can replace 4257 18702625?
There is 1 known substitute for 4257 18702625: 790903. Substitute compatibility should be verified for your specific system.
What is the NSN for 4257 18702625?
4257 18702625 is cataloged in the U.S. Government catalog under NSN 5330-01-733-1846. This indicates validated use in U.S. government and defense supply chains.
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