The Bearing,roller,track Roller, cataloged under National Stock Number 3110-00-678-3476, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-678-3476 |
| Primary Part Number | 10863543 |
| Item Name | Bearing,roller,track Roller |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Outer Ring Width | 0.3390 INCHES MINIMUM AND 0.3440 INCHES MAXIMUM IN |
| Thread Length | 0.3590 INCHES NOMINAL IN |
| Style Designator | CAM FOLLOWER |
| Material Document and Classification | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE STUD |
| Material Document and Classification | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OUTER RACE |
| Material Document and Classification | QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE WASHER |
| Overall Outside Diameter | 0.7495 INCHES MINIMUM AND 0.7510 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Stud Length | 0.5930 INCHES MINIMUM AND 0.6400 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP E52100 OUTER RACE |
| Material | STEEL COMP 1074 WASHER |
| Material | STEEL COMP 8620H STUD |
| Thread Series Designator | UNF |
| Stud Diameter | 0.3105 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 10863543 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3110-00-678-3476 is a Bearing,roller,track Roller, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-678-3476 has 1 manufacturer part number on file: 10863543 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10863543: Outer Ring Width: 0.3390 INCHES MINIMUM AND 0.3440 INCHES MAXIMUM IN; Thread Length: 0.3590 INCHES NOMINAL IN; Style Designator: CAM FOLLOWER; Material Document and Classification: QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE STUD. 17 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.