The Bushing,sleeve, cataloged under National Stock Number 3120-01-161-5535, 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 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-161-5535 |
| Primary Part Number | 756186 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Left Internal Flange Width | 0.0830 INCHES MINIMUM AND 0.0870 INCHES MAXIMUM IN |
| Left Internal Flange Hole Diameter | 2.5000 INCHES MINIMUM AND 2.5200 INCHES MAXIMUM IN |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Corner Shape | CHAMFERED OUTSIDE LEFT CORNER |
| Corner Shape | CHAMFERED INSIDE RIGHT CORNER |
| Body Outside Diameter | 2.9150 INCHES MINIMUM AND 2.9160 INCHES MAXIMUM IN |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM CORE |
| Hardness Rating | 79.0 ROCKWELL A MINIMUM AND 85.0 ROCKWELL A MAXIMUM CASE |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES, INTERNAL FLANGE ONE END |
| Material Document and Classification | AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 2.6290 INCHES MINIMUM AND 2.6330 INCHES MAXIMUM IN |
| Surface Treatment | CARBON INSIDE DIAMETER SURFACE OF BODY |
| Antirotation/lubrication Type and Quantity | 3 HOLE |
| Material | STEEL COMP E9310 OVERALL |
| Hole Diameter | 0.0913 INCHES MINIMUM AND 0.0933 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 |
|---|---|
| 756186 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 3120-01-161-5535 is a Bushing,sleeve, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-161-5535 has 1 manufacturer part number on file: 756186 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 756186: Left Internal Flange Width: 0.0830 INCHES MINIMUM AND 0.0870 INCHES MAXIMUM IN; Left Internal Flange Hole Diameter: 2.5000 INCHES MINIMUM AND 2.5200 INCHES MAXIMUM IN; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE INSIDE LEFT CORNER. 16 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.