# NSN 3120-01-286-8029: Bearing, Sleeve

NSN 3120-01-286-8029 (also written 3120012868029; NIIN 01-286-8029) is a bearing, sleeve in Federal Supply Class 3120, Bearings, Plain, Unmounted. 3 manufacturer part numbers from 3 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 3120-01-286-8029 (3120012868029)
- NIIN: 01-286-8029 (012868029)
- Item name: BEARING,SLEEVE
- Federal Supply Class: [FSC 3120 Bearings, Plain, Unmounted](https://nsnexplorer.com/fsc/3120/)
- Federal Supply Group: [FSG 31](https://nsnexplorer.com/group/31/)
- Acquisition method suffix code: AMSC B: must be bought from the sources named on a source control or selected item drawing. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 1.0915 |
| ADAR | BODY OUTSIDE DIAMETER | INCHES MINIMUM 1.3268 AND INCHES MAXIMUM 1.3271 |
| ADAS | BODY INSIDE DIAMETER | INCHES MINIMUM 1.1255 AND INCHES MAXIMUM 1.1260 |
| AEPR | FLANGE OUTSIDE DIAMETER | INCHES MINIMUM 1.8550 AND INCHES MAXIMUM 1.8750 |
| AGFF | FLANGE WIDTH | INCHES MINIMUM 0.0890 AND INCHES MAXIMUM 0.0940 |
| BZLX | CORNER SHAPE | INSIDE LEFT CORNER SQUARE |
| BZLX | CORNER SHAPE | OUTSIDE RIGHT CORNER SQUARE |
| BZLX | CORNER SHAPE | LEFT FLANGE OUTSIDE RIGHT CORNER SQUARE |
| BZLX | CORNER SHAPE | INSIDE RIGHT CORNER SQUARE |
| BZLX | CORNER SHAPE | LEFT FLANGE BODY CORNER UNDERCUT |
| BZLX | CORNER SHAPE | OUTSIDE LEFT CORNER SQUARE |
| CQFM | HARDNESS RATING | RIGHT END SURFACE OF BODY ROCKWELL C NOMINAL 27.0 |
| CQFM | HARDNESS RATING | OUTSIDE DIAMETER SURFACE OF BODY ROCKWELL C NOMINAL 27.0 |
| CQFM | HARDNESS RATING | RIGHT END SURFACE OF LEFT FLANGE ROCKWELL C NOMINAL 27.0 |
| CQFM | HARDNESS RATING | LEFT END SURFACE OF BODY AND FLANGE ROCKWELL C NOMINAL 27.0 |
| CQFM | HARDNESS RATING | OUTSIDE DIAMETER SURFACE OF FLANGE ROCKWELL C NOMINAL 27.0 |
| FEAT | SPECIAL FEATURES | MAGNETIC PARTICLE INSPECTION PER HP6-5,CAGEC 02731 |
| MATT | MATERIAL | RIGHT END SURFACE OF LEFT FLANGE STEEL COMP 630 |
| MATT | MATERIAL | INSIDE DIAMETER SURFACE OF BODY PLASTIC POLYTETRAFLUOROETHYLENE OR PLASTIC POLYAMIDE NYLON OR PLASTIC PHENOLIC |
| MATT | MATERIAL | OUTSIDE DIAMETER SURFACE OF BODY STEEL COMP 630 |
| MATT | MATERIAL | RIGHT END SURFACE OF BODY STEEL COMP 630 |
| MATT | MATERIAL | OUTSIDE DIAMETER SURFACE OF FLANGE STEEL COMP 630 |
| MATT | MATERIAL | LEFT END SURFACE OF BODY AND FLANGE STEEL COMP 630 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | RIGHT END SURFACE OF BODY ASSN STD SINGLE MATERIAL RESPONSE A-S5643 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | INSIDE DIAMETER SURFACE OF BODY MIL SPEC ALL MATERIAL RESPONSES -IL-B-81820 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | LEFT END SURFACE OF BODY AND FLANGE ASSN STD SINGLE MATERIAL RESPONSE A-S5643 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OUTSIDE DIAMETER SURFACE OF FLANGE ASSN STD SINGLE MATERIAL RESPONSE A-S5643 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | RIGHT END SURFACE OF LEFT FLANGE ASSN STD SINGLE MATERIAL RESPONSE A-S5643 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OUTSIDE DIAMETER SURFACE OF BODY ASSN STD SINGLE MATERIAL RESPONSE A-S5643 |
| SFTT | SURFACE TREATMENT | RIGHT END SURFACE OF BODY PASSIVATE |
| SFTT | SURFACE TREATMENT | OUTSIDE DIAMETER SURFACE OF BODY PASSIVATE |
| SFTT | SURFACE TREATMENT | RIGHT END SURFACE OF LEFT FLANGE PASSIVATE |
| SFTT | SURFACE TREATMENT | LEFT END SURFACE OF BODY AND FLANGE PASSIVATE |
| SFTT | SURFACE TREATMENT | OUTSIDE DIAMETER SURFACE OF FLANGE PASSIVATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OUTSIDE DIAMETER SURFACE OF BODY FED SPEC SINGLE TREATMENT RESPONSE QQ--35 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | RIGHT END SURFACE OF BODY FED SPEC SINGLE TREATMENT RESPONSE QQ--35 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | LEFT END SURFACE OF BODY AND FLANGE FED SPEC SINGLE TREATMENT RESPONSE QQ--35 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | RIGHT END SURFACE OF LEFT FLANGE FED SPEC SINGLE TREATMENT RESPONSE QQ--35 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OUTSIDE DIAMETER SURFACE OF FLANGE FED SPEC SINGLE TREATMENT RESPONSE QQ--35 |
| STYL | STYLE DESIGNATOR | — |
| ZZZK | SPECIFICATION/STANDARD DATA | MANUFACTURERS STANDARD 02731-HS5445 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| HS5445-1 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| HS5445-1 | 73134 | ROLLER BEARING COMPANY OF AMERICA, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| HS5445-1 | 8V613 | THE BOEING COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A6-27-T-8939 | 4 | 2026-11-13 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=3120012868029&category=nsn) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-31 | [SPE4A626PAAAP](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3120012868029) | BEARING, SLEEVE | AVIARMS SUPPORT CORP | $3,564.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=3120012868029&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3120012868029
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/3120-01-286-8029/
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