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Technical Data Sheet
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858-12 — RING,PISTON

✓ Government record, cited
Mobiparts · COMPONENT
PRODUCT OVERVIEW

858-12: RING,PISTON.

Mobiparts Rugged collection Maximum drop- and impact protection Drop tested impact protection Two-layered design Soft and flexible innershell, made of shock absorbing material Shock absorbing outer shell Embossed texture provide a no-slip grip All key buttons and ports remain fully operational Raised edges protect the front display Compatible with: Huawei P20 Lite Colour: black This part is cataloged in the U.S. Government catalog under NSN 2805-00-300-0422, 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
858-12
NSN: 2805-00-300-0422
NIINs: 003000422, 011947952
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 82722 — WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP DBA WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP (USA)
SPECIFICATIONS
nominal_pipe_size_for_which_designed0.500 INCHES IN
NSN2805-00-300-0422
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Mobiparts RING,PISTON TITLE COMPONENT PN 858-12 MFR Mobiparts RING,PISTON
KEY FEATURES
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FSC APPLICATION DATA: BRAKE VALVE,DIESEL ELECTRIC LOCOMOTIVE
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MATERIAL DOCUMENT AND CLASSIFICATION: 85812 MFR REF SINGLE MATERIAL RESPONSE OVERALL
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CROSS-SECTIONAL SHAPE STYLE: PLAIN RECTANGULAR, STRAIGHT FACE
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JOINT STYLE: VERTICAL JOINT
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RING STYLE: CONCENTRIC
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STANDARD BORE DIAMETER: 3.500 INCHES IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATABRAKE VALVE,DIESEL ELECTRIC LOCOMOTIVE
MATERIAL DOCUMENT AND CLASSIFICATION85812 MFR REF SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLEVERTICAL JOINT
RING STYLECONCENTRIC
STANDARD BORE DIAMETER3.500 INCHES IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 858-12?
858-12 is a RING,PISTON manufactured by Mobiparts.
What is the NSN for 858-12?
858-12 is cataloged in the U.S. Government catalog under NSN 2805-00-300-0422. This indicates validated use in U.S. government and defense supply chains.
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