The Bearing,roller,track Roller, cataloged under National Stock Number 3110-01-690-7679, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3110-01-690-7679
Item Name
Bearing,roller,track Roller
FSC / FSG
3110 / 31 — Bearings, Antifriction, Unmounted
Status
ACTIVE
Thread Pitch in Millimeters
1.50
Thread Length
21.0 MILLIMETERS NOMINAL MM
Outside Diameter
47.0 MILLIMETERS NOMINAL MM
Features Provided
LUBRICATION HOLE
Nominal Thread Size
20.0 MILLIMETERS MM
Stud Length
40.5 MILLIMETERS NOMINAL MM
Thread Series Designator
M
Stud Diameter
20.0 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
MCF 47 SX
3/2Design control — primary reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937
BEARING,ROLLER,NEEDLE
3110-00-001-1937
BEARING,ROLLER,NEEDLE
3110-00-001-1937
BEARING,ROLLER,NEEDLE
3110-00-001-1938
BEARING,BALL,AIRFRAME
3110-00-001-4661
CONE AND ROLLERS,TAPERED ROLLER
3110-00-001-4662
CUP,TAPERED ROLLER BEARING
3110-00-001-4689
BEARING,BALL,ANNULAR
3110-00-001-4722
BEARING,BALL,ANNULAR
Frequently Asked Questions
What is NSN 3110-01-690-7679?
NSN 3110-01-690-7679 is a Bearing,roller,track Roller, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
What are the specifications of 3110-01-690-7679?
Key specifications for 3110-01-690-7679: Thread Pitch in Millimeters: 1.50; Thread Length: 21.0 MILLIMETERS NOMINAL MM; Overall Length: 66.0 MILLIMETERS NOMINAL MM; Overall Width: 24.0 MILLIMETERS NOMINAL MM. 8 specifications are documented in the U.S. Government catalog.
Is NSN 3110-01-690-7679 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.
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.