# NSN 1680-01-657-6921: Attitude Indicator

NSN 1680-01-657-6921 (also written 1680016576921; NIIN 01-657-6921) is an attitude indicator in Federal Supply Class 1680, Miscellaneous Aircraft Accessories and Components. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 1680-01-657-6921 (1680016576921)
- NIIN: 01-657-6921 (016576921)
- Item name: ATTITUDE INDICATOR
- Federal Supply Class: [FSC 1680 Miscellaneous Aircraft Accessories and Components](https://nsnexplorer.com/fsc/1680/)
- Federal Supply Group: [FSG 16](https://nsnexplorer.com/group/16/)
- Acquisition method suffix code: AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-23)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | AIRCRAFT FUEL SYSTEM ATTITUDE |
| FEAT | SPECIAL FEATURES | PITCH ATTITUDE |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 1.750 |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 6.250 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 1005E-B | 50926 | RIEKER INSTRUMENT CO., INC. DBA RIEKER INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5002-P | 50926 | RIEKER INSTRUMENT CO., INC. DBA RIEKER INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-22 | [SPE4A727P1063](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1680016576921) | ATTITUDE INDICATOR | KAMPI COMPONENTS CO INC | $1,652.94 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1680016576921&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1680016576921
- 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/1680-01-657-6921/
JSON: https://nsnexplorer.com/api/nsn/1680-01-657-6921.json