# NSN 1615-00-255-2923: Coupling, Hanger, Tail

NSN 1615-00-255-2923 (also written 1615002552923; NIIN 00-255-2923) is a coupling, hanger, tail in Federal Supply Class 1615, Helicopter Rotor Blades, Drive Mechanisms and Components. 1 manufacturer part number from 1 supplier is on record. No purchases are on record yet.

## Identification

- NSN: 1615-00-255-2923 (1615002552923)
- NIIN: 00-255-2923 (002552923)
- Item name: COUPLING,HANGER,TAIL
- 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 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | STEEL; 2.221 IN. MIN,2.223 IN. MAX L,1ST END 1.614 OS DIA,2ND END 3.625 IN. OS DIA; SPLINED 26 TEETH FLAT ROOT SIDE FIT,CIRCULAR PITCH 1.571 INBASE CIRCLE DIA 1.125 IN.,PRESSURE ANGLE 30 DEG,PITCH DIA 1.300 IN. |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 212-040-614-001 | 97499 | BELL TEXTRON INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1615002552923&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1615002552923
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- 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/1615-00-255-2923/
JSON: https://nsnexplorer.com/api/nsn/1615-00-255-2923.json