NSN 3110-00-100-0506 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-100-0506. Manufacturer of record part number: 9121.
The Cup,tapered Roller Bearing, cataloged under National Stock Number 3110-00-100-0506, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is The Timken Corporation. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 12 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
Technical Specifications
Parameter
Value
NSN
3110-00-100-0506
Primary Part Number
9121
Item Name
Cup,tapered Roller Bearing
FSC / FSG
3110 / 31 — Bearings, Antifriction, Unmounted
Manufacturer
The Timken Corporation
Status
CANCELLED
Outside Diameter
6.0000 INCHES NOMINAL IN
Backface Corner Radius
0.1250 INCHES NOMINAL IN
Standard Tolerance Designation
AFBMA CLASS 2
Material
STEEL OVERALL
Lifecycle & Compliance
Acquisition Status
CANCELLED
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
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Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
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5340-00-598-38178198493POSSIBLE MATCH
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2520-00-646-9686POSSIBLE MATCH
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Possible match (shared part number)Brinkley Technology Group Llc Dba Hercules Manufacturing
NSN 3110-00-100-0506 is a Cup,tapered Roller Bearing, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: cancelled.
What part numbers are listed for NSN 3110-00-100-0506?
NSN 3110-00-100-0506 has 3 manufacturer part numbers on file: 710035 (Dana Off Highway Products, Llc), 9121 (The Timken Corporation), 9121 (Federal-Mogul Corp Government Sales Dept).
What NSN replaces 3110-00-100-0506?
12 possible matches (shared part number, not a government interchangeability claim): 3040-00-104-2325, 5935-00-201-7059, 5310-00-202-4398. Verify interchangeability with system specifications before substitution.
What are the specifications of 9121?
Key specifications for 9121: Overall Width: 1.2500 INCHES NOMINAL IN; Outside Diameter: 6.0000 INCHES NOMINAL IN; Backface Corner Radius: 0.1250 INCHES NOMINAL IN; Special Features: STEEP ANGLE. 4 specifications are documented in the U.S. Government catalog.
Is NSN 3110-00-100-0506 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Is NSN 3110-00-100-0506 still in active supply?
NSN 3110-00-100-0506 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.