# NSN 3020-00-640-3081: Pulley, Groove

NSN 3020-00-640-3081 (also written 3020006403081; NIIN 00-640-3081) is a pulley, groove in Federal Supply Class 3020, Gears, Pulleys, Sprockets, and Transmission Chain. 5 manufacturer part numbers from 5 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 3020-00-640-3081 (3020006403081)
- NIIN: 00-640-3081 (006403081)
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABFF | FURNISHED ITEMS | BEARINGS AND BORE |
| ARJD | DESIGN FORM | WEBBED |
| BDDY | BEARING QUANTITY | 1 |
| ABGF | GROOVE WIDTH | INCHES NOMINAL 0.781 |
| ABXV | BORE DIAMETER | INCHES NOMINAL 7.250 |
| ADGE | BORE LENGTH | INCHES MINIMUM 0.932 AND INCHES MAXIMUM 0.937 |
| AGWA | GROOVE RADIUS | INCHES NOMINAL 0.313 |
| ABGA | GROOVE DEPTH | INCHES NOMINAL 0.750 |
| STYL | STYLE DESIGNATOR | — |
| ASBP | BORE TYPE | STRAIGHT |
| BXSM | GROOVE SHAPE | U |
| ABHE | OUTSIDE DIAMETER | INCHES NOMINAL 11.500 |
| MATT | MATERIAL | OVERALL STEEL |
| AXHQ | GROOVE QUANTITY | 1 |
| BYDT | BEARING TYPE | SLEEVE |
| AQPL | FACE WIDTH | INCHES NOMINAL 0.938 |
| ALNC | HUB OUTSIDE DIAMETER | BOTH ENDS INCHES NOMINAL 8.750 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 23-5372-3 | 05201 | ADVANCE DEVELOPMENT & MANUFACTURING CORPORATION DBA ADVANCE DEVELOPMENT & MANUFACTURING | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 23-5372-3 | 1P6K0 | FORM FIT & FUNCTION LLC DIV F3 | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 23-5372-3 | 6JRD9 | WELLMAN DYNAMICS MACHINING AND ASSEMBLY, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 23-5372-3 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION, LAKEHURST | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 23-5372-3 | 81A16 | YORK PRECISION MACHINING AND HYDRAULICS, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-23 | [SPE7M226C0016](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3020006403081) | PULLEY, GROOVE | YORK PRECISION MACHINING AND HYDRAULICS, LLC | $1,491,524.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=3020006403081&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3020006403081
- 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/3020-00-640-3081/
JSON: https://nsnexplorer.com/api/nsn/3020-00-640-3081.json