# NSN 3120-01-253-4491: Bushing, Sleeve

NSN 3120-01-253-4491 (also written 3120012534491; NIIN 01-253-4491) is a bushing, sleeve in Federal Supply Class 3120, Bearings, Plain, Unmounted. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 3120-01-253-4491 (3120012534491)
- NIIN: 01-253-4491 (012534491)
- 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: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAUB | HOLE DIAMETER | FIRST INCHES MINIMUM 0.0450 AND INCHES MAXIMUM 0.0550 |
| ABGC | SLOT WIDTH | FIRST INCHES NOMINAL 0.0600 |
| ABGD | SLOT LENGTH | FIRST INCHES MINIMUM 0.0570 AND INCHES MAXIMUM 0.0663 |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 0.5400 |
| ADAR | BODY OUTSIDE DIAMETER | INCHES MINIMUM 1.0313 AND INCHES MAXIMUM 1.0320 |
| ADAS | BODY INSIDE DIAMETER | INCHES MINIMUM 0.9000 AND INCHES MAXIMUM 0.9020 |
| AEPR | FLANGE OUTSIDE DIAMETER | INCHES NOMINAL 1.2200 |
| AGFF | FLANGE WIDTH | INCHES MINIMUM 0.0390 AND INCHES MAXIMUM 0.0400 |
| AGKH | LUBRICANT ACCOMMODATION STYLE | — |
| BZLX | CORNER SHAPE | ALL CORNERS SQUARE |
| CTJM | ANTIROTATION/LUBRICATION TYPE AND QUANTITY | HOLE 4 |
| CTMQ | SURFACE GROOVE LOCATION AND QUANTITY | EXTERNAL 1 |
| MATT | MATERIAL | OVERALL COPPER ALLOY 630 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 4640 |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 68A450756 | 76301 | THE BOEING COMPANY DIV DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 68A450756-2005 | 76301 | THE BOEING COMPANY DIV DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-08 | [SPE4A125G0009/SPE4A626F7397](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3120012534491) | BUSHING, SLEEVE | THE BOEING COMPANY DIV SERVICES | $3,005.10 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=3120012534491&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3120012534491
- 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/3120-01-253-4491/
JSON: https://nsnexplorer.com/api/nsn/3120-01-253-4491.json