# NSN 2520-01-701-3539: Differential Gear Unit

NSN 2520-01-701-3539 (also written 2520017013539; NIIN 01-701-3539) is a differential gear unit in Federal Supply Class 2520, Vehicular Power Transmission Components. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Aug 2026.

## Identification

- NSN: 2520-01-701-3539 (2520017013539)
- NIIN: 01-701-3539 (017013539)
- Item name: DIFFERENTIAL GEAR UNIT
- Federal Supply Class: [FSC 2520 Vehicular Power Transmission Components](https://nsnexplorer.com/fsc/2520/)
- Federal Supply Group: [FSG 25](https://nsnexplorer.com/group/25/)
- Acquisition method suffix code: AMSC C: needs engineering source approval; other sources must qualify first. (observed 2026-11-04)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | OUTBOARD MOTOR, GASOLINE, F225XCA, STD RTN |
| CQCF | CONSTRUCTION | ASSEMBLED |
| CWCD | NOMINAL OUTSIDE DIAMETER | ALL GEARS INCHES 25.00 |
| SFTT | SURFACE TREATMENT | OVERALL PAINT |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | LOWER UNIT RIGHT HAND DEC GEARCASE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| LWK6KFRX | 4V176 | YAMAHA MOTOR CORPORATION, U.S.A | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-13 | [SPE7L126V169J](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2520017013539) | DIFFERENTIAL GEAR U | LARKOS PACKING AND DISTRIBUTION INC. | $7,950.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2520017013539&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2520017013539
- 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/2520-01-701-3539/
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