# NSN 1620-01-051-0371: Collar, Friction

NSN 1620-01-051-0371 (also written 1620010510371; NIIN 01-051-0371) is a collar, friction in Federal Supply Class 1620, Aircraft Landing Gear Components. 4 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 1620-01-051-0371 (1620010510371)
- NIIN: 01-051-0371 (010510371)
- Item name: COLLAR,FRICTION
- Federal Supply Class: [FSC 1620 Aircraft Landing Gear Components](https://nsnexplorer.com/fsc/1620/)
- Federal Supply Group: [FSG 16](https://nsnexplorer.com/group/16/)
- Acquisition method suffix code: AMSC G: the government has a complete data package and the rights to use it. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | ROLL POSITIONER P/N4G14551-101A,MAIN LANDING GEAR,C5A ACFT |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | ALUMINUM BRONZE ALLOY NUMBER 642 ANNEALED,QQ-C-465,2.125 IN. OD,1.21IN. ID,0.315 IN. L,THREE 0.120 IN. W,0.342 IN. DP SLOTS AND ONE SLOT 0.120 IN. W,THROUGH TO ID,EQUALLY SPACEDON OD |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 4G14607-101A | 5H860 | THOMAS INSTRUMENT, INCORPORATED | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4G14607-101A | 65910 | MAYDAY MANUFACTURING CO. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4G14607-101A | 92037 | ESSNER PRECISION MANUFACTURING LLC DBA PRECISION MANUFACTURING CO OF FORT WORTH | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4G14607-101A | 98897 | LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-24 | $43.88 | 99 | ALAMO AIRCRAFT, LTD. | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1620010510371) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-24 | [SPE4A726V4989](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1620010510371) | COLLAR, FRICTION | ALAMO AIRCRAFT, LTD. | $4,344.12 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1620010510371&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1620010510371
- 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/1620-01-051-0371/
JSON: https://nsnexplorer.com/api/nsn/1620-01-051-0371.json