The Bushing,sleeve, cataloged under National Stock Number 3120-00-237-6790, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 23 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-237-6790 |
| Primary Part Number | 127833 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Surface Finish | 16.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY |
| Surface Finish | 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE |
| Surface Finish | 125.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE |
| Surface Finish | 125.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE |
| Surface Finish | 125.0 MICROINCHES RIGHT END SURFACE OF BODY |
| Surface Finish | 63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Corner Shape | CHAMFERED OUTSIDE LEFT CORNER |
| Corner Shape | ROUND LEFT FLANGE BODY CORNER |
| Flange Outside Diameter | 3.3452 INCHES MINIMUM AND 3.3460 INCHES MAXIMUM IN |
| Body Outside Diameter | 3.3020 INCHES MINIMUM AND 3.3220 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 2.5020 INCHES MINIMUM AND 2.5030 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Antirotation/lubrication Type and Quantity | 3 HOLE |
| Flange Width | 1.0210 INCHES MINIMUM AND 1.0410 INCHES MAXIMUM IN |
| Material | STEEL COMP 630 OVERALL |
| Keyway Dimension | 0.2520 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM INTERNAL KEYWAY WIDTH IN |
| Hole Diameter | 0.2500 INCHES NOMINAL 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 |
|---|---|
| 127833 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
NSN 3120-00-237-6790 is a Bushing,sleeve, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-00-237-6790 has 1 manufacturer part number on file: 127833 (L3harris Technologies, Inc Div Space & Airborne Systems).
1 possible match (shared part number, not a government interchangeability claim): 6750-01-427-1055. Verify interchangeability with system specifications before substitution.
Key specifications for 127833: Surface Finish: 16.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY; Surface Finish: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE; Surface Finish: 125.0 MICROINCHES RIGHT END SURFACE OF LEFT FLANGE; Surface Finish: 125.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE. 23 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.