The Bearing,sleeve, cataloged under National Stock Number 3120-00-439-8473, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Bell Textron Inc. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-439-8473 |
| Primary Part Number | 204-040-170-5 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — No Item Name Available |
| Manufacturer | Bell Textron Inc |
| Status | ACTIVE |
| Corner Shape | ROUND LEFT FLANGE BODY CORNER |
| Surface Finish | 40.0 MICROINCHES RIGHT END SURFACE OF BODY AND FLANGE |
| Corner Shape | SQUARE RIGHT FLANGE OUTSIDE LEFT CORNER |
| Right Flange Outside Diameter | 1.8150 INCHES MINIMUM AND 1.8350 INCHES MAXIMUM IN |
| Surface Finish | 63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY |
| Corner Shape | ROUND RIGHT FLANGE BODY CORNER |
| Style Designator | SOLID, EXTERNAL FLANGES BOTH ENDS |
| Surface Finish | 125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF RIGHT FLANGE |
| Material | STEEL COMP 4130 OVERALL |
| Corner Shape | CHAMFERED OUTSIDE RIGHT CORNER |
| Surface Finish | 40.0 MICROINCHES LEFT END SURFACE OF BODY AND FLANGE |
| Body Outside Diameter | 1.6900 INCHES MINIMUM AND 1.7100 INCHES MAXIMUM IN |
| Body Inside Diameter | 1.5720 INCHES MINIMUM AND 1.5750 INCHES MAXIMUM IN |
| Corner Shape | SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER |
| Left Flange Outside Diameter | 1.8150 INCHES MINIMUM AND 1.8350 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-L-23699 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION |
| Surface Finish | 125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF LEFT FLANGE |
| Surface Finish | 125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY |
| Material Document and Classification | MIL-T-6736 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Hole Diameter | 0.3740 INCHES MINIMUM AND 0.3810 INCHES MAXIMUM FIRST IN |
| Left Flange Width | 0.0600 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM IN |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Corner Shape | CHAMFERED OUTSIDE LEFT CORNER |
| Surface Treatment Document and Classification | BFS,FW 4084 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material | OIL LUBRICATING LUBRICATION |
| Right Flange Width | 0.0600 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM IN |
| Surface Treatment | OXIDE OVERALL |
| Lubricant Accommodation Style | PERFORATED |
| Antirotation/lubrication Type and Quantity | 8 HOLE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 204-040-170-005 | Bell Textron Inc (USA) |
| 204-040-170-5 PRIMARY | Bell Textron Inc (USA) |
| M171 | Metric Machine Co |
| 2098 | Milling Precision Tool Corp Dba Milling Precision Acquisition Co (USA) |
NSN 3120-00-439-8473 is a Bearing,sleeve, manufactured by Bell Textron Inc, classified under FSC 3120 (No Item Name Available). Status: active.
NSN 3120-00-439-8473 has 4 cross-referenced part numbers: 204-040-170-005 (Bell Textron Inc), 204-040-170-5 (Bell Textron Inc), M171 (Metric Machine Co), 2098 (Milling Precision Tool Corp Dba Milling Precision Acquisition Co).
There are 12 known substitutes for 3120-00-439-8473: 5910-00-059-1070, 5340-00-126-5152, 5950-00-150-2408 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 204-040-170-5: Corner Shape: ROUND LEFT FLANGE BODY CORNER; Surface Finish: 40.0 MICROINCHES RIGHT END SURFACE OF BODY AND FLANGE; Corner Shape: SQUARE RIGHT FLANGE OUTSIDE LEFT CORNER; Right Flange Outside Diameter: 1.8150 INCHES MINIMUM AND 1.8350 INCHES MAXIMUM IN. 30 total characteristics are documented in the Federal Logistics Information System.