# NSN 3020-01-287-4129: Gear, Bevel

NSN 3020-01-287-4129 (also written 3020012874129; NIIN 01-287-4129) is a gear, bevel in Federal Supply Class 3020, Gears, Pulleys, Sprockets, and Transmission Chain. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Sep 2026.

## Identification

- NSN: 3020-01-287-4129 (3020012874129)
- NIIN: 01-287-4129 (012874129)
- Item name: GEAR,BEVEL
- 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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAQL | BODY STYLE | — |
| ABSX | ATTACHMENT METHOD | MOUNTING HOLE |
| AGJS | PITCH DIAMETER | MILLIMETERS NOMINAL 370.0 |
| AJLA | TEETH QUANTITY | 40 |
| ANTP | BORE STYLE | — |
| CBBL | FEATURES PROVIDED | SPIRAL |
| CMLK | MOUNTING HOLE THREAD SERIES DESIGNATOR | AXIALLY THROUGH BODY SECOND END UNF |
| CQFM | HARDNESS RATING | BODY ROCKWELL C NOMINAL 59.0 |
| CQFM | HARDNESS RATING | TEETH ROCKWELL C MINIMUM 55.0 AND ROCKWELL C MAXIMUM 65.0 |
| CQLT | MOUNTING HOLE NOMINAL THREAD SIZE | AXIALLY THROUGH BODY SECOND END INCHES 0.500 |
| CTQY | MOUNTING HOLE TYPE AND QUANTITY | AXIALLY THROUGH BODY SECOND END THREADED 24 |
| CWCD | NOMINAL OUTSIDE DIAMETER | MILLIMETERS 372.6 |
| CWFR | NOMINAL OVERALL LENGTH | MILLIMETERS 45.3 |
| CWPP | PRESSURE ANGLE | DEGREES 22.5000 |
| CWQD | PITCH ANGLE | DEGREES 74.6237 |
| CWRB | BODY RECESS NOMINAL DEPTH | FIRST END MILLIMETERS 21.8 |
| CWRM | FACE NOMINAL WIDTH | MILLIMETERS 58.0 |
| CWRS | BORE NOMINAL DIAMETER | BOTH ENDS MILLIMETERS 247.2 |
| CWZN | BOLT HOLE CIRCLE NOMINAL DIAMETER | AXIALLY THROUGH BODY SECOND END MILLIMETERS 279.4 |
| MATT | MATERIAL | OVERALL STEEL |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 9C8205 | 11083 | CATERPILLAR INC DIV CATERPILLAR DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-28 | [SPE7LX21D0087/SPE7LX26FBD4E](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3020012874129) | GEAR, BEVEL | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $2,087.30 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=3020012874129&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3020012874129
- 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/3020-01-287-4129/
JSON: https://nsnexplorer.com/api/nsn/3020-01-287-4129.json