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3B257870 — CYLINDER ASSEMBLY,ACTUATING,ROTA

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

3B257870: CYLINDER ASSEMBLY,ACTUATING,ROTA.

CYLINDER ASSEMBLY,ACTUATING,ROTA. Key specifications include material: STEEL BODY, bore_diameter: 3.500 INCHES NOMINAL IN, design_characteristics: SINGLE ACTING SINGLE CYLINDER, end_item_identification: 2420-01-205-8636. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-296-5019, 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
3B257870
NSN: 3040-01-296-5019
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 54209 — IOWA MOLD TOOLING CO INC (USA)
SPECIFICATIONS
materialSTEEL BODY
bore_diameter3.500 INCHES NOMINAL IN
design_characteristicsSINGLE ACTING SINGLE CYLINDER
end_item_identification2420-01-205-8636
NSN3040-01-296-5019
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CYLINDER ASSEMBLY,ACTUATING,ROTA TITLE COMPONENT PN 3B257870 MFR CYLINDER ASSEMBLY,ACTU
KEY FEATURES
•
DESIGN CHARACTERISTICS: SINGLE ACTING SINGLE CYLINDER
•
BORE DIAMETER: 3.500 INCHES NOMINAL IN
•
MATERIAL: STEEL BODY
TECHNICAL CHARACTERISTICS
DESIGN CHARACTERISTICSSINGLE ACTING SINGLE CYLINDER
END ITEM IDENTIFICATION2420-01-205-8636
BORE DIAMETER3.500 INCHES NOMINAL IN
MATERIALSTEEL BODY
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 3B257870?
3B257870 is a CYLINDER ASSEMBLY,ACTUATING,ROTA.
What is the NSN for 3B257870?
3B257870 is cataloged in the U.S. Government catalog under NSN 3040-01-296-5019. 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.