The Gear and Bearing Assembly, cataloged under National Stock Number 3040-01-066-8044, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Kingsbury, Inc. Dba Messinger Bearings Div Messinger Bearings. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-066-8044 |
| Primary Part Number | XROLLERBEARING |
| Item Name | Gear and Bearing Assembly |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Kingsbury, Inc. Dba Messinger Bearings Div Messinger Bearings |
| Status | ACTIVE |
| General Characteristics Item Description | INNER AND OUTER RACE STEEL ALLOY AISI 8660,ROLLERS ALLOY STEEL TYPE 52100,136 INTERNAL GEAR TEETH,17.000 IN. PITCH DIA,25 DEG PRESSURE ANGLE,1.750 IN THK,4 0.262 IN. DIA BOLT HOLES EQUALLY SPACED ON 21.500 IN. DIA BOLT CIRCLE,20 0.375-16UNC-2B THD HOLES ON 18.375 IN. DIA BOLT CIRCLE EQUALLY SPACED,20 0.406-0.411 IN. DIA BOLT HOLES EQUALLY SPACED ON A 21.625 IN. DIA BOLT CIRCLE 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 |
|---|---|
| 998460-1 | Raytheon Company Dba Raytheon Co (USA) |
| XROLLERBEARING PRIMARY | Kingsbury, Inc. Dba Messinger Bearings Div Messinger Bearings (USA) |
| Reference | Meaning |
|---|---|
| 998460-1 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 3040-01-066-8044 is a Gear and Bearing Assembly, manufactured by Kingsbury, Inc. Dba Messinger Bearings Div Messinger Bearings, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-066-8044 has 2 manufacturer part numbers on file: 998460-1 (Raytheon Company Dba Raytheon Co), XROLLERBEARING (Kingsbury, Inc. Dba Messinger Bearings Div Messinger Bearings).
Key specifications for XROLLERBEARING: General Characteristics Item Description: INNER AND OUTER RACE STEEL ALLOY AISI 8660,ROLLERS ALLOY STEEL TYPE 52100,136 INTERNAL GEAR TEETH,17.000 IN. PITCH DIA,25 DEG PRESSURE ANGLE,1.750 IN THK,4 0.262 IN. DIA BOLT HOLES EQUALLY SPACED ON 21.500 IN. DIA BOLT CIRCLE,20 0.375-16UNC-2B THD HOLES ON 18.375 IN. DIA BOLT CIRCLE EQUALLY SPACED,20 0.406-0.411 IN. DIA BOLT HOLES EQUALLY SPACED ON A 21.625 IN. DIA BOLT CIRCLE IN. 1 specification is 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.