The Bearing,sleeve, cataloged under National Stock Number 3120-01-030-9377, 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 19 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through both NSN and commercial part number lookups. 20 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3120-01-030-9377 |
| Primary Part Number | M81934/2-10C011 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY |
| 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 | 125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF FLANGE |
| Surface Finish | 63.0 MICROINCHES INTERNAL ROD END BODY |
| 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 |
| Flange Outside Diameter | 1.2300 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.8137 INCHES MINIMUM AND 0.8142 INCHES MAXIMUM IN |
| Hardness Rating | 27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OUTER LAYER |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Body Inside Diameter | 0.6255 INCHES MINIMUM AND 0.6265 INCHES MAXIMUM IN |
| Flange Width | 0.0575 INCHES MINIMUM AND 0.0625 INCHES MAXIMUM IN |
| Material | STEEL COMP 630 OR STEEL COMP 410 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 |
|---|---|
| M81934/2-10C011 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| ADLF10C011 | 5/1 Secondary reference New Hampshire Ball Bearings Inc Div Astro Division |
| FBJW20TH11M | 5/9 Secondary reference Timken Co Div the Timken Company |
| KDJ10C011-342 | 5/1 Secondary reference U.S. Government activity |
| 123-2010C011 | 5/9 Secondary reference Rexnord Industries, Llc Div Aerosspace Bearing Operation |
| KRJ10UDSB-011S | 5/9 Secondary reference Kamatics Corporation |
| 04A076-10C011 | 5/9 Secondary reference Pelican Pouch Inc |
| M81934/2-10C011 | 5/9 Secondary reference U.S. Government activity |
| MIL-B-8943 | 5/9 Secondary reference U.S. Government activity |
| FBRR-10C011 | 5/1 Secondary reference Roller Bearing Company of America, Inc. |
| AHJF10C(L1)011 | 5/9 Secondary reference New Hampshire Ball Bearings Inc Div Astro Division |
| AHJF10C011 | 5/1 Secondary reference New Hampshire Ball Bearings Inc Div Precision Division |
| MS21241-10C011 | 5/9 Secondary reference U.S. Government activity |
| 07-282-10C011 | 5/1 Secondary reference Rbc Transport Dynamics Corp Div Rbc Transport Dynamics |
| AHJF10C11 | 5/9 Secondary reference New Hampshire Ball Bearings Inc Div Precision Division |
| KRJ10HDSB-10C011M | 5/1 Secondary reference Kamatics Corporation |
| FBJW20TH11M | 5/1 Secondary reference Rbc Aircraft Products, Inc. |
| AS81934/2 | 5/9 Secondary reference U.S. Government activity |
| BFJW20TH-10C011 | 5/9 Secondary reference Timken Co Div the Timken Company |
| AS81934/2 | 3/1 Design control — primary reference Sae International Dba Sae International |
| M81934/2-10C011 | 5/9 Secondary reference U.S. Government activity |
NSN 3120-01-030-9377 is a Bearing,sleeve, manufactured by Sae International Dba Sae International, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-030-9377 has 1 manufacturer part number on file: M81934/2-10C011 (Sae International Dba Sae International).
1 possible match (shared part number, not a government interchangeability claim): 3120-01-468-0062. Verify interchangeability with system specifications before substitution.
Key specifications for M81934/2-10C011: Surface Finish: 125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY; 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. 19 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.