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105905A — RING,PISTON

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

105905A: RING,PISTON.

The RING,PISTON is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, standard_bore_diameter: 4.000 INCHES IN, end_item_identification: 2320-01-097-0260. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-144-8187, 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
105905A
NSN: 3040-01-144-8187
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
standard_bore_diameter4.000 INCHES IN
end_item_identification2320-01-097-0260
NSN3040-01-144-8187
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,PISTON TITLE COMPONENT PN 105905A MFR RING,PISTON
KEY FEATURES
•
STANDARD BORE DIAMETER: 4.000 INCHES IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
TECHNICAL CHARACTERISTICS
STANDARD BORE DIAMETER4.000 INCHES IN
END ITEM IDENTIFICATION2320-01-097-0260
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
OTHER ITEMS IN FSC 3040 — Miscellaneous Power Transmission Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3040-00-001-0046 3040-00-001-0047 3040-00-001-0048 3040-00-001-0068 3040-00-001-0077 3040-00-001-0078 3040-00-001-0089 3040-00-001-1224
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 105905A?
105905A is a RING,PISTON.
What is the NSN for 105905A?
105905A is cataloged in the U.S. Government catalog under NSN 3040-01-144-8187. 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.