# NSN 3020-00-528-0511: Pulley, Groove

NSN 3020-00-528-0511 (also written 3020005280511; NIIN 00-528-0511) is a pulley, groove in Federal Supply Class 3020, Gears, Pulleys, Sprockets, and Transmission Chain. 10 manufacturer part numbers from 9 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 3020-00-528-0511 (3020005280511)
- NIIN: 00-528-0511 (005280511)
- Item name: PULLEY,GROOVE
- Federal Supply Class: [FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain](https://nsnexplorer.com/fsc/3020/)
- Federal Supply Group: [FSG 30](https://nsnexplorer.com/group/30/)
- Acquisition method suffix code: AMSC T: handled under qualified products list procedures. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ASBP | BORE TYPE | STRAIGHT |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 0.625 |
| ABFF | FURNISHED ITEMS | BEARINGS AND BORE |
| ABGA | GROOVE DEPTH | INCHES NOMINAL 0.250 |
| ABGF | GROOVE WIDTH | INCHES NOMINAL 0.275 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | BODY FED SPEC SINGLE MATERIAL RESPONSE QQ-A-268, T4-CANCELED |
| MATT | MATERIAL | BODY ALUMINUM ALLOY 2024 |
| ABXV | BORE DIAMETER | INCHES NOMINAL 0.314 |
| SFTT | SURFACE TREATMENT | ANODIZE |
| STYL | STYLE DESIGNATOR | — |
| ABHE | OUTSIDE DIAMETER | INCHES NOMINAL 1.755 |
| ALNC | HUB OUTSIDE DIAMETER | BOTH ENDS INCHES NOMINAL 0.465 |
| AQPL | FACE WIDTH | INCHES NOMINAL 0.422 |
| AXHQ | GROOVE QUANTITY | 1 |
| BDDY | BEARING QUANTITY | 1 |
| BXSM | GROOVE SHAPE | U |
| BYDT | BEARING TYPE | BALL |
| AGWA | GROOVE RADIUS | INCHES NOMINAL 0.097 |
| ARJD | DESIGN FORM | WEBBED |
| ADGE | BORE LENGTH | INCHES NOMINAL 0.625 |
| MATT | MATERIAL | HUB STEEL |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 1220A1H | 71503 | CLARY CORP DBA CLARY CORP DIV CLARY CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 20220A1 | 25337 | RALMARK CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 20220A1 | 29965 | ARVAN, INC. DBA AEROSPACE DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 20220A1 | 83451 | ATCO PULLEY CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 433-1933 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AN220A1 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MIL-DTL-7034 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MIL-DTL-7034/2 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MS20220A1 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| NAS377A1 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-23 | [SPE7L126D60YK/SPE7L026F7890](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3020005280511) | PULLEY, GROOVE | RALMARK CO | $2,012.10 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=3020005280511&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3020005280511
- 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/3020-00-528-0511/
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