PartsTable
Technical Data Sheet

851-20/011 — FILTER,RADIO FREQUENCY INTERFERE

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

851-20/011: FILTER,RADIO FREQUENCY INTERFERE.

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include material: STEEL CORROSION RESISTING OVERALL, body_width: 2.77 INCHES NOMINAL IN, bore_shape: STRAIGHT, body_length: 2.02 INCHES NOMINAL IN, flange_width: 0.0180 INCHES NOMINAL IN, bore_diameter: 0.0937 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-073-2640, 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
MRO→ MRO_GENERAL→ 851-20/011
NSN: 3110-00-073-2640
NIINs: 000732640, 016665127
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 07187 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
body_width2.77 INCHES NOMINAL IN
bore_shapeSTRAIGHT
body_length2.02 INCHES NOMINAL IN
flange_width0.0180 INCHES NOMINAL IN
bore_diameter0.0937 INCHES NOMINAL IN
overall_width0.0625 INCHES NOMINAL IN
inclosure_typeENCASED
load_directionRADIAL
overall_height1.15 INCHES NOMINAL IN
overall_length3.37 INCHES NOMINAL IN
surface_finishGROUND
NSN3110-00-073-2640
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 851-20/011 · 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
•
INTERNAL CLEARANCE: 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
•
FLANGE OUTSIDE DIAMETER: 0.2340 INCHES NOMINAL IN
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
•
FLANGE WIDTH: 0.0180 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
INTERNAL CLEARANCE0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN
FLANGE OUTSIDE DIAMETER0.2340 INCHES NOMINAL IN
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH0.0625 INCHES NOMINAL IN
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
FLANGE WIDTH0.0180 INCHES NOMINAL IN
OUTER RING OUTSIDE DIAMETER0.1875 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONABEC NO. 7P
SUBSTITUTES & CROSS-REFERENCES 9
MIL-B-81793/8Reference document
Same NSN cross-reference
Reference document — Identification reference
1788709-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
2710Reference document
Same NSN cross-reference
Reference document — Secondary reference
SFR133Reference document
Same NSN cross-reference
Reference document — Secondary reference
SFR133K25/7Reference document
Same NSN cross-reference
Reference document — Secondary reference
S3332FCP35L01Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 851-20/011?
851-20/011 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 851-20/011?
There are 9 known substitutes for 851-20/011: MIL-B-81793/8, 1788709-1, 2710 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 851-20/011?
851-20/011 is cataloged in the U.S. Government catalog under NSN 3110-00-073-2640. 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.