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10260-21 — VALVE,POPPET,ENGINE

✓ Government record, cited
3M · COMPONENT
PRODUCT OVERVIEW

10260-21: VALVE,POPPET,ENGINE.

The VALVE,POPPET,ENGINE is a 3M industrial component. Key specifications include material: NICKEL ALLOY. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-620-3834, 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
10260-21
NSN: 2805-00-620-3834
NIINs: 006203834, 014449277
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 56190 — METADURE PARTS & SALES, INC. (USA)
SPECIFICATIONS
materialNICKEL ALLOY
NSN2805-00-620-3834
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: 3M VALVE,POPPET,ENGINE TITLE COMPONENT PN 10260-21 MFR 3M VALVE,POPPET,ENGINE
KEY FEATURES
•
DISTANCE FROM HOLE CENTER TO STEM END: 0.1560 INCHES NOMINAL0.1560 INCHES NOMINAL IN
•
STEM DIAMETER: 0.2490 INCHES MINIMUM AND 0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM0.2500 INCHES MAXIMUM IN
•
FSC APPLICATION DATA: GASOLINE ENGINEGASOLINE ENGINE
•
HEAD HEIGHT: 0.1450 INCHES NOMINAL0.1450 INCHES NOMINAL IN
•
STEM LENGTH: 3.4175 INCHES NOMINAL3.4175 INCHES NOMINAL IN
•
SEAT ANGLE IN DEG: 45.045.0
•
CHAMFER LENGTH: 0.0312 INCHES NOMINAL0.0312 INCHES NOMINAL IN
•
NECK RADIUS: 0.1875 INCHES NOMINAL0.1875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM HOLE CENTER TO STEM END0.1560 INCHES NOMINAL0.1560 INCHES NOMINAL IN
STEM DIAMETER0.2490 INCHES MINIMUM AND 0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM0.2500 INCHES MAXIMUM IN
FSC APPLICATION DATAGASOLINE ENGINEGASOLINE ENGINE
HEAD HEIGHT0.1450 INCHES NOMINAL0.1450 INCHES NOMINAL IN
STEM LENGTH3.4175 INCHES NOMINAL3.4175 INCHES NOMINAL IN
SEAT ANGLE IN DEG45.045.0
CHAMFER LENGTH0.0312 INCHES NOMINAL0.0312 INCHES NOMINAL IN
NECK RADIUS0.1875 INCHES NOMINAL0.1875 INCHES NOMINAL IN
OUTSIDE DIAMETER0.8437 INCHES NOMINAL0.8437 INCHES NOMINAL IN
STEM STYLEDRILLEDDRILLED
SUBSTITUTES & CROSS-REFERENCES 3
26973Reference document
Same NSN cross-reference
Reference document — Secondary reference
260075Reference document
Same NSN cross-reference
Reference document — Secondary reference
PLP260075Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 10260-21?
10260-21 is a VALVE,POPPET,ENGINE manufactured by 3M.
What parts can replace 10260-21?
There are 3 known substitutes for 10260-21: 26973, 260075, PLP260075. Substitute compatibility should be verified for your specific system.
What is the NSN for 10260-21?
10260-21 is cataloged in the U.S. Government catalog under NSN 2805-00-620-3834. 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.