The Bearing,sleeve, cataloged under National Stock Number 3120-01-251-0806, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-251-0806 |
| Primary Part Number | AA50019-E515 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Flange Outside Diameter | 0.6200 INCHES MINIMUM AND 0.6300 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.4390 INCHES MINIMUM AND 0.4400 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-L-7870 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION |
| Body Inside Diameter | 0.3135 INCHES MINIMUM AND 0.3145 INCHES MAXIMUM IN |
| Flange Width | 0.0575 INCHES MINIMUM AND 0.0675 INCHES MAXIMUM IN |
| Material | IRON ALLOY OVERALL |
| Material | OIL LUBRICATING LUBRICATION |
| 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 |
|---|---|
| AA50019-E515 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| LS4217F5-0219 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3120-01-251-0806 is a Bearing,sleeve, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-251-0806 has 1 manufacturer part number on file: AA50019-E515 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for AA50019-E515: Flange Outside Diameter: 0.6200 INCHES MINIMUM AND 0.6300 INCHES MAXIMUM IN; Body Outside Diameter: 0.4390 INCHES MINIMUM AND 0.4400 INCHES MAXIMUM IN; Material Document and Classification: MIL-L-7870 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION; Overall Length: 0.2090 INCHES MINIMUM AND 0.2190 INCHES MAXIMUM IN. 7 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.