# NSN 1005-01-138-8127: Ring, Spring

NSN 1005-01-138-8127 (also written 1005011388127; NIIN 01-138-8127) is a ring, spring in Federal Supply Class 1005, Guns, through 30mm. 2 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 1005-01-138-8127 (1005011388127)
- NIIN: 01-138-8127 (011388127)
- Item name: RING,SPRING
- Federal Supply Class: [FSC 1005 Guns, through 30mm](https://nsnexplorer.com/fsc/1005/)
- Federal Supply Group: [FSG 10](https://nsnexplorer.com/group/10/)
- Acquisition method suffix code: AMSC L: annual buy value is below the screening threshold. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | STEEL PER AMS 5570 COMP 321; PASSIVATED; 0.098 IN. DIA OF MATERIAL; 2.864 IN. OD CLOSED; 2.920 IN. OD OPEN |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| MC13599 | 62983 | EATON AEROSPACE, LLC DBA JACKSON SOUTH | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MC13599 | 76050 | EATON AEROSPACE LLC DBA STERER ENGINEERING DIV M.C.AEROSPACE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1005011388127&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1005011388127
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- 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/1005-01-138-8127/
JSON: https://nsnexplorer.com/api/nsn/1005-01-138-8127.json