# NSN 1650-00-446-3832: Ring Assembly, Const

NSN 1650-00-446-3832 (also written 1650004463832; NIIN 00-446-3832) is a ring assembly, const in Federal Supply Class 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Sep 2026.

## Identification

- NSN: 1650-00-446-3832 (1650004463832)
- NIIN: 00-446-3832 (004463832)
- Item name: RING ASSEMBLY,CONST
- Federal Supply Class: [FSC 1650 Aircraft Hydraulic, Vacuum, and De-icing System Components](https://nsnexplorer.com/fsc/1650/)
- Federal Supply Group: [FSG 16](https://nsnexplorer.com/group/16/)
- Acquisition method suffix code: AMSC P: the government does not own the rights to the data needed for more sources. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | CONSISTS OF FSCM 99167 QAD RING 688544,NUT 686751,PIN 688203 |
| ZZZV | FSC APPLICATION DATA | ACFT HYDRAULIC CONSTANT SPEED DRIVE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 688543 | 99167 | HAMILTON SUNDSTRAND CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-17 | [SPE4AX22D9404/SPE4A626F457X](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1650004463832) | RING ASSEMBLY, CONST | HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE | $99,355.71 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1650004463832&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1650004463832
- 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/1650-00-446-3832/
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