The Cam Follower,needle Bearing, cataloged under National Stock Number 3110-01-285-2815, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Accurate Bushing Company, Inc.. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-285-2815 |
| Primary Part Number | X8644837 |
| Item Name | Cam Follower,needle Bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Accurate Bushing Company, Inc. |
| Status | ACTIVE |
| Bearing Seal Type | CONTACT |
| Lubrication Material | LUBRICANT |
| Outer Ring Width | 0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-13924,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE EXPOSED SURFACES AS MOUNTED |
| Thread Length | 0.6200 INCHES MINIMUM IN |
| Style Designator | CAM FOLLOWER |
| Overall Outside Diameter | 1.2490 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.750 INCHES IN |
| Stud Length | 1.2500 INCHES NOMINAL IN |
| Surface Treatment | OXIDE EXPOSED SURFACES AS MOUNTED |
| Seal Quantity | 2 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL OUTER RING |
| Material | STEEL STUD |
| Material | STEEL END PLATE |
| Material | STEEL ROLLER |
| Material | PLASTIC POLYAMIDE NYLON SEAL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Stud Diameter | 0.7500 INCHES MINIMUM AND 0.7510 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 |
|---|---|
| X8644837 PRIMARY | Accurate Bushing Company, Inc. (USA) |
| 8644837 | Air Armament Center/ En (USA) |
| Reference | Meaning |
|---|---|
| CCFH-1 1/4-SB | 5/1 Secondary reference U.S. Government activity |
| HR-1.25-XBC | 5/1 Secondary reference Accurate Bushing Company, Inc. |
| X8644837 | 7/2 Vendor item drawing reference Air Armament Center/ En |
| X8644837 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-01-285-2815 is a Cam Follower,needle Bearing, manufactured by Accurate Bushing Company, Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-285-2815 has 2 manufacturer part numbers on file: X8644837 (Accurate Bushing Company, Inc.), 8644837 (Air Armament Center/ En).
Key specifications for X8644837: Bearing Seal Type: CONTACT; Lubrication Material: LUBRICANT; Outer Ring Width: 0.7450 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-13924,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE EXPOSED SURFACES AS MOUNTED. 21 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.