The Bearing,sleeve, cataloged under National Stock Number 3120-01-337-7124, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 17 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-337-7124 |
| Primary Part Number | M81934/2-09A036 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Corner Shape | UNDERCUT LEFT FLANGE BODY CORNER |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OUTER LAYER |
| Flange Outside Diameter | 1.1050 INCHES MINIMUM AND 1.1250 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.6887 INCHES MINIMUM AND 0.6897 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225-6 FED SPEC SINGLE MATERIAL RESPONSE OUTER LAYER |
| Body Inside Diameter | 0.5630 INCHES MINIMUM AND 0.5640 INCHES MAXIMUM IN |
| Specification/standard Data | 81349-MIL-B-81934/2 GOVERNMENT SPECIFICATION |
| Surface Treatment | ANODIZE OR CHROMATE OUTER LAYER |
| Flange Width | 0.0575 INCHES MINIMUM AND 0.0625 INCHES MAXIMUM IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE INNER LAYER |
| Material | ALUMINUM ALLOY 2024 OUTER LAYER |
| 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 |
|---|---|
| M81934/2-09A036 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS81934 | 3/1 Design control — primary reference Sae International Dba Sae International |
| M81934/2-09A036 | 5/9 Secondary reference U.S. Government activity |
| AS81934 | 5/9 Secondary reference U.S. Government activity |
| M81934/2-09A036 | 5/9 Secondary reference U.S. Government activity |
NSN 3120-01-337-7124 is a Bearing,sleeve, manufactured by Sae International Dba Sae International, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-337-7124 has 1 manufacturer part number on file: M81934/2-09A036 (Sae International Dba Sae International).
Key specifications for M81934/2-09A036: Corner Shape: SQUARE INSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER; Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER. 17 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.