# NSN 4920-01-283-0243: Locking Collar

NSN 4920-01-283-0243 (also written 4920012830243; NIIN 01-283-0243) is a locking collar in Federal Supply Class 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Aug 2026.

## Identification

- NSN: 4920-01-283-0243 (4920012830243)
- NIIN: 01-283-0243 (012830243)
- Item name: LOCKING COLLAR
- Federal Supply Class: [FSC 4920 Aircraft Maintenance and Repair Shop Specialized Equipment](https://nsnexplorer.com/fsc/4920/)
- Federal Supply Group: [FSG 49](https://nsnexplorer.com/group/49/)
- Acquisition method suffix code: AMSC Q: the government lacks adequate data or rights, but breakout to competition is expected. (observed 2026-11-04)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | AIRCRAFT MODEL SH-60B |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | 18.000 IN. LG,6.000 IN. W |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 70700-77499-041 | 78286 | SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-12 | [SPE4A122G0005/SPE4A526F8426](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4920012830243) | LOCKING COLLAR | SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP | $28,850.30 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4920012830243&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4920012830243
- 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.

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