# NSN 1620-00-341-6158: Shaft, Nose Gear Lock

NSN 1620-00-341-6158 (also written 1620003416158; NIIN 00-341-6158) is a shaft, nose gear lock in Federal Supply Class 1620, Aircraft Landing Gear Components. 11 manufacturer part numbers from 11 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 1620-00-341-6158 (1620003416158)
- NIIN: 00-341-6158 (003416158)
- Item name: SHAFT,NOSE GEAR LOCK
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-20)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | MATERIAL STEEL,MIL-S-5000,4340; 11.120 IN. LG; 1.250 IN. INSIDE DIA; FLANGE ONE END,3.120 OUTSIDE DIA,FIVE 0.250 IN. DIA HOLES ON FLANGE UNEQUALLY SPACED |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 6-68020-1 | 2U747 | WELCH MACHINE INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6-68020-1 | 32664 | AEROMETALS, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6-68020-1 | 34336 | TECT HYPERVELOCITY, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6-68020-1 | 36164 | HEROUX-DEVTEK INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6-68020-1 | 3H683 | INTERNATIONAL PRECISION, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6-68020-1 | 50601 | CIRCOR AEROSPACE, INC. DIV CIRCOR | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6-68020-1 | 6D161 | ALATUS AEROSYSTEMS DBA F.K.A., TRIUMPH STRUCTURES-LOS ANGELES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6-68020-1 | 81205 | THE BOEING COMPANY DIV DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6-68020-1 | 91816 | CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6-68020-1 | 98247 | CANADIAN COMMERCIAL CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6-68020-1 | 9K006 | CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE MACHINING CENTER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-16 | [SPE4A726D5079/SPE4A726F043A](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1620003416158) | SHAFT, NOSE GEAR LOCK | WELCH MACHINE INC | $16,342.20 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1620003416158&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1620003416158
- 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/1620-00-341-6158/
JSON: https://nsnexplorer.com/api/nsn/1620-00-341-6158.json