The Bushing,sleeve, cataloged under National Stock Number 3120-00-043-0992, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 28 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-043-0992 |
| Primary Part Number | 6864799 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES RIGHT END SURFACE OF FLANGE |
| Surface Finish | 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE |
| Surface Finish | 32.0 MICROINCHES RIGHT END SURFACE OF BODY |
| Surface Finish | 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY |
| Surface Finish | 63.0 MICROINCHES LEFT END SURFACE OF BODY |
| Surface Finish | 16.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY |
| Surface Finish | 63.0 MICROINCHES LEFT END SURFACE OF FLANGE |
| Corner Shape | ROUND CENTER FLANGE RIGHT BODY CORNER |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | SQUARE CENTER FLANGE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE CENTER FLANGE OUTSIDE LEFT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | ROUND INSIDE LEFT CORNER |
| Corner Shape | CHAMFERED OUTSIDE RIGHT CORNER |
| Corner Shape | ROUND CENTER FLANGE LEFT BODY CORNER |
| Left End Body Diameter | 1.3765 INCHES MINIMUM AND 1.3770 INCHES MAXIMUM IN |
| Flange Outside Diameter | 1.5400 INCHES MINIMUM AND 1.5530 INCHES MAXIMUM IN |
| Body Outside Diameter | 1.3765 INCHES MINIMUM AND 1.3770 INCHES MAXIMUM IN |
| End to Flange Distance | 0.1900 INCHES MINIMUM AND 0.1980 INCHES MAXIMUM IN |
| Hardness Rating | 149.0 BRINELL HULTGREN MINIMUM AND 255.0 BRINELL HULTGREN MAXIMUM OVERALL |
| Style Designator | SOLID, EXTERNAL FLANGE |
| Body Inside Diameter | 1.1255 INCHES MINIMUM AND 1.1260 INCHES MAXIMUM IN |
| Right End Body Diameter | 1.3765 INCHES MINIMUM AND 1.3770 INCHES MAXIMUM IN |
| Antirotation/lubrication Type and Quantity | 4 SLOT |
| Flange Width | 0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM IN |
| Material | COPPER ALLOY OVERALL |
| Slot Width | 0.0230 INCHES MINIMUM AND 0.0350 INCHES MAXIMUM FIRST IN |
| Slot Length | 0.1840 INCHES MINIMUM AND 0.1970 INCHES MAXIMUM FIRST 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 |
|---|---|
| 6864799 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| Reference | Meaning |
|---|---|
| 6864799 | 5/9 Secondary reference Rolls-Royce Airlines |
| EU11994 | 5/9 Secondary reference Rolls-Royce Airlines |
NSN 3120-00-043-0992 is a Bushing,sleeve, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-00-043-0992 has 1 manufacturer part number on file: 6864799 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 6864799: Surface Finish: 63.0 MICROINCHES RIGHT END SURFACE OF FLANGE; Surface Finish: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE; Surface Finish: 32.0 MICROINCHES RIGHT END SURFACE OF BODY; Surface Finish: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY. 28 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.