PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 74S77-020
74S77-020 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The RING SET,PISTON is a the manufacturer industrial component. Key specifications include bore_diameter_oversize: 0.020 INCHES IN, standard_bore_diameter: 3.000 INCHES IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-374-3802, 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
74S77-020
NSN: 2805-00-374-3802
FSC: 2805
CAGE: 80756 — SPIROLOX INC (USA)
SPECIFICATIONS
bore_diameter_oversize0.020 INCHES IN
standard_bore_diameter3.000 INCHES IN
piston_accommodation_quantity1
NSN2805-00-374-3802
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING SET,PISTON TITLE COMPONENT PN 74S77-020 MFR RING SET,PISTON
KEY FEATURES
•
PISTON ACCOMMODATION QUANTITY: 1
•
STANDARD BORE DIAMETER: 3.000 INCHES IN
•
BORE DIAMETER OVERSIZE: 0.020 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
PISTON ACCOMMODATION QUANTITY1
STANDARD BORE DIAMETER3.000 INCHES IN
BORE DIAMETER OVERSIZE0.020 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
291233Interchangeable
interchangeable cross-reference
interchangeable
A537Interchangeable
interchangeable cross-reference
interchangeable
292102Interchangeable
interchangeable cross-reference
interchangeable
61336-020Interchangeable
interchangeable cross-reference
interchangeable
750220Interchangeable
interchangeable cross-reference
interchangeable
710798Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy 74S77-020?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 74S77-020?
74S77-020 is a RING SET,PISTON.
What parts can replace 74S77-020?
There are 17 known substitutes for 74S77-020: 291233, A537, 292102 and 14 more. Substitute compatibility should be verified for your specific system.
Is 74S77-020 still available?
74S77-020 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 74S77-020

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026