# NSN 4921-01-529-0321: Shop Equipment, Torpedo

NSN 4921-01-529-0321 (also written 4921015290321; NIIN 01-529-0321) is a shop equipment, torpedo in Federal Supply Class 4921, Torpedo Maintenance, Repair, and Checkout Specialized Equipment. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4921-01-529-0321 (4921015290321)
- NIIN: 01-529-0321 (015290321)
- Item name: SHOP EQUIPMENT,TORPEDO
- Federal Supply Class: [FSC 4921 Torpedo Maintenance, Repair, and Checkout Specialized Equipment](https://nsnexplorer.com/fsc/4921/)
- Federal Supply Group: [FSG 49](https://nsnexplorer.com/group/49/)
- Acquisition method suffix code: AMSC G: the government has a complete data package and the rights to use it. (observed 2026-10-27)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AJJW | COMPONENT QUANTITY | 16 |
| AJKC | SUPPLY ITEMS AND QUANTITIES | CYLINDER BARREL SHAFT 1; CYLINDER BARREL ARBOR 1; HARDENED GROUND MACHINE PIN 2; CYLINDER BARREL ALIGNMENT 1; PREFORMED PACKING 2; CYLINDER BARREL PAD 1; FLAT WASHER 4; HEX HEAD MACHINE SCREW 4 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | CYLINDER BARREL CLEANING |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 7053705 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-08 | [SPE7M026P4570](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4921015290321) | SHOP EQUIPMENT, TORP | — | $8,995.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4921015290321&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4921015290321
- 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/4921-01-529-0321/
JSON: https://nsnexplorer.com/api/nsn/4921-01-529-0321.json