# NSN 3120-01-268-4521: Bushing, Sleeve

NSN 3120-01-268-4521 (also written 3120012684521; NIIN 01-268-4521) is a bushing, sleeve in Federal Supply Class 3120, Bearings, Plain, Unmounted. 2 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 3120-01-268-4521 (3120012684521)
- NIIN: 01-268-4521 (012684521)
- Item name: BUSHING,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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABHP | OVERALL LENGTH | INCHES MINIMUM 0.8700 AND INCHES MAXIMUM 0.8900 |
| ADAR | BODY OUTSIDE DIAMETER | INCHES MINIMUM 0.4540 AND INCHES MAXIMUM 0.4600 |
| ADAS | BODY INSIDE DIAMETER | INCHES MINIMUM 0.3810 AND INCHES MAXIMUM 0.3840 |
| BZLX | CORNER SHAPE | ALL CORNERS SQUARE |
| FEAT | SPECIAL FEATURES | USED ON F101 ENG; B-1B |
| MATT | MATERIAL | OVERALL NICKEL ALLOY 718 |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 9538M89P02 | 03983 | STERLING MACHINE COMPANY, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 9538M89P02 | 07482 | GENERAL ELECTRIC COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=3120012684521&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3120012684521
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- 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/3120-01-268-4521/
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