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129900-32040 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

129900-32040: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include end_item_identification: YANMAR 2.6L DIESEL, part_name_assigned_by_controlling_agency: CYLINDER BLOCK O-RING. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-574-6653, 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
129900-32040
NSN: 5331-01-574-6653
FSC: 5331 — O-ring
CAGE: 0AK42 — YANMAR DIESEL AMERICA CORP (USA)
SPECIFICATIONS
end_item_identificationYANMAR 2.6L DIESEL
part_name_assigned_by_controlling_agencyCYLINDER BLOCK O-RING
NSN5331-01-574-6653
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 129900-32040 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESYANMAR 2.6L CYLINDER BLOCK FIG 6-2-23 INDEX NO. 17 PAGES 6-2-24 AND 25
PART NAME ASSIGNED BY CONTROLLING AGENCYCYLINDER BLOCK O-RING
END ITEM IDENTIFICATIONYANMAR 2.6L DIESEL
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 1
1599469Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 129900-32040?
129900-32040 is a O-RING.
What parts can replace 129900-32040?
There is 1 known substitute for 129900-32040: 1599469. Substitute compatibility should be verified for your specific system.
What is the NSN for 129900-32040?
129900-32040 is cataloged in the U.S. Government catalog under NSN 5331-01-574-6653. 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.