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PT13-04000-BFT — RING,PISTON

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

PT13-04000-BFT: RING,PISTON.

The RING,PISTON is a the manufacturer industrial component. Key specifications include special_features: SEAL HEIGHT 0.238 IN; BORE IS 4.000 IN; GROOVE IS 3.390 IN; IN, part_name_assigned_by_controlling_agency: PISTON SEAL. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-660-6597, 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
PT13-04000-BFT
NSN: 3040-01-660-6597
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 0X8S1 — MARTIN FLUID POWER COMPANY (USA)
SPECIFICATIONS
special_featuresSEAL HEIGHT 0.238 IN; BORE IS 4.000 IN; GROOVE IS 3.390 IN; IN
part_name_assigned_by_controlling_agencyPISTON SEAL
NSN3040-01-660-6597
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,PISTON TITLE COMPONENT PN PT13-04000-BFT MFR RING,PISTON
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESSEAL HEIGHT 0.238 IN; BORE IS 4.000 IN; GROOVE IS 3.390 IN; IN
PART NAME ASSIGNED BY CONTROLLING AGENCYPISTON SEAL
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is PT13-04000-BFT?
PT13-04000-BFT is a RING,PISTON.
What is the NSN for PT13-04000-BFT?
PT13-04000-BFT is cataloged in the U.S. Government catalog under NSN 3040-01-660-6597. 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.