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399719R1 — RING,PISTON

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

399719R1: RING,PISTON.

The RING,PISTON is a the manufacturer industrial component. Key specifications include ring_style: CONCENTRIC, end_item_identification: 3040-01-060-1002 CYLINDER ASSEMBLY,ACTUATING,LINEAR, cross-sectional_shape_style: PLAIN RECTANGULAR, STRAIGHT FACE. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-311-0073, 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
399719R1
NSN: 3040-01-311-0073
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 0SAT8 — KOMATSU AMERICA CORP. (USA)
SPECIFICATIONS
ring_styleCONCENTRIC
end_item_identification3040-01-060-1002 CYLINDER ASSEMBLY,ACTUATING,LINEAR
cross-sectional_shape_stylePLAIN RECTANGULAR, STRAIGHT FACE
NSN3040-01-311-0073
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,PISTON TITLE COMPONENT PN 399719R1 MFR RING,PISTON
KEY FEATURES
•
CROSS-SECTIONAL SHAPE STYLE: PLAIN RECTANGULAR, STRAIGHT FACE
•
RING STYLE: CONCENTRIC
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
RING STYLECONCENTRIC
END ITEM IDENTIFICATION3040-01-060-1002 CYLINDER ASSEMBLY,ACTUATING,LINEAR
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 399719R1?
399719R1 is a RING,PISTON.
What is the NSN for 399719R1?
399719R1 is cataloged in the U.S. Government catalog under NSN 3040-01-311-0073. 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.