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26-1-686 — CONTROLLER,TAPE INTERFACE

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

26-1-686: CONTROLLER,TAPE INTERFACE.

The CONTROLLER,TAPE INTERFACE is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include end_item_identification: AIRBORNE MINE COUNTER MEASURE,PRECISE NAVIGATION SYSTEM,GROUND SUPPORT EQUIPMENT. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-0799, 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
26-1-686
NSN: 3110-00-100-0799
NIINs: 001000799, 013072517
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 01957 — ACF INDUSTRIES INC (USA)
SPECIFICATIONS
end_item_identificationAIRBORNE MINE COUNTER MEASURE,PRECISE NAVIGATION SYSTEM,GROUND SUPPORT EQUIPMENT
NSN3110-00-100-0799
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 26-1-686 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
STYLE DESIGNATOR: NORMAL ANGLE
•
OUTSIDE DIAMETER: 3.1496 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0500 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
MATERIAL: STEEL OVERALL
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORNORMAL ANGLE
OVERALL WIDTH0.7018 INCHES NOMINAL IN
OUTSIDE DIAMETER3.1496 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0500 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 9
314950Reference document
Same NSN cross-reference
Reference document — Secondary reference
332Reference document
Same NSN cross-reference
Reference document — Secondary reference
5020WReference document
Same NSN cross-reference
Reference document — Secondary reference
2X690BReference document
Same NSN cross-reference
Reference document — Secondary reference
3298Reference document
Same NSN cross-reference
Reference document — Secondary reference
706634Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 26-1-686?
26-1-686 is a CONTROLLER,TAPE INTERFACE.
What parts can replace 26-1-686?
There are 9 known substitutes for 26-1-686: 314950, 332, 5020W and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 26-1-686?
26-1-686 is cataloged in the U.S. Government catalog under NSN 3110-00-100-0799. 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.