# NSN 1615-01-256-7533: Idler Assembly, Tail Rotor

NSN 1615-01-256-7533 (also written 1615012567533; NIIN 01-256-7533) is an idler assembly, tail rotor in Federal Supply Class 1615, Helicopter Rotor Blades, Drive Mechanisms and Components. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 1615-01-256-7533 (1615012567533)
- NIIN: 01-256-7533 (012567533)
- Item name: IDLER ASSEMBLY,TAIL ROTOR
- Federal Supply Class: [FSC 1615 Helicopter Rotor Blades, Drive Mechanisms and Components](https://nsnexplorer.com/fsc/1615/)
- Federal Supply Group: [FSG 16](https://nsnexplorer.com/group/16/)
- Acquisition method suffix code: AMSC C: needs engineering source approval; other sources must qualify first. (observed 2026-10-23)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | AIRCRAFT MODEL AH-1W |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 214-010-719-1 | 97499 | BELL TEXTRON INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 214-010-719-105 | 97499 | BELL TEXTRON INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-19 | [SPRPA121G001W/SPE4A626F364L](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1615012567533) | IDLER ASSEMBLY, TAIL | BELL TEXTRON INC | $6,108.75 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1615012567533&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1615012567533
- 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/1615-01-256-7533/
JSON: https://nsnexplorer.com/api/nsn/1615-01-256-7533.json