# NSN 5360-01-412-4012: Spring, Helical, Extension

NSN 5360-01-412-4012 (also written 5360014124012; NIIN 01-412-4012) is a spring, helical, extension in Federal Supply Class 5360, Coil, Flat, Leaf, and Wire Springs. 2 manufacturer part numbers from 2 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5360-01-412-4012 (5360014124012)
- NIIN: 01-412-4012 (014124012)
- Item name: SPRING,HELICAL,EXTENSION
- Federal Supply Class: [FSC 5360 Coil, Flat, Leaf, and Wire Springs](https://nsnexplorer.com/fsc/5360/)
- Federal Supply Group: [FSG 53](https://nsnexplorer.com/group/53/)
- Acquisition method suffix code: AMSC H: the government lacks sufficient, accurate or legible data to buy from other sources. (observed 2026-11-04)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AARX | INSIDE DIAMETER | INCHES NOMINAL 0.374 |
| ACVU | STOCK DIAMETER | INCHES NOMINAL 0.063 |
| AGEK | SPRING FREE LENGTH | INCHES NOMINAL 5.000 |
| AXLH | COIL HELIX DIRECTION | RIGHT-HAND |
| AXLP | SPRING DEFLECTION RATE | POUNDS PER INCH NOMINAL 3.580 |
| AXLQ | SPRING FREE OUTSIDE DIAMETER | INCHES NOMINAL 0.500 |
| MATT | MATERIAL | OVERALL STEEL |
| SFTT | SURFACE TREATMENT | OVERALL PASSIVATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--35 |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| LE-063E-12SS | 1A699 | LEE SPRING COMPANY LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| LE-063E-12SS | 84830 | LEE SPRING CO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7L1-27-T-3303 | 16 | 2026-11-16 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5360014124012&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5360014124012&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5360014124012
- 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/5360-01-412-4012/
JSON: https://nsnexplorer.com/api/nsn/5360-01-412-4012.json
