# NSN 5340-00-356-3818: Seat, Helical Compression Spring

NSN 5340-00-356-3818 (also written 5340003563818; NIIN 00-356-3818) is a seat, helical compression spring in Federal Supply Class 5340, Hardware, Commercial. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5340-00-356-3818 (5340003563818)
- NIIN: 00-356-3818 (003563818)
- Item name: SEAT,HELICAL COMPRESSION SPRING
- Federal Supply Class: [FSC 5340 Hardware, Commercial](https://nsnexplorer.com/fsc/5340/)
- Federal Supply Group: [FSG 53](https://nsnexplorer.com/group/53/)
- 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 |
| --- | --- | --- |
| SFTT | SURFACE TREATMENT | PASSIVATE |
| ALME | MATERIAL HARDNESS RATING | ROCKWELL C MINIMUM 55.0 AND ROCKWELL C MAXIMUM 60.0 |
| MATT | MATERIAL | STEEL CORROSION RESISTING |
| ZZZV | FSC APPLICATION DATA | AIRCRAFT HYDRAULIC,VACUUM,DEICING SYSTEMS |
| APGF | DESIGN TYPE | SOLID |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 111-33791 | 94697 | MOOG INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 111-33791 | 9P5N5 | MOOG MILITARY AIRCRAFT LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-28 | [SPE4A526P6442](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5340003563818) | SEAT, HELICAL COMPRE | PRIDE ELECTRONICS INC | $1,197.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5340003563818&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5340003563818
- 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/5340-00-356-3818/
JSON: https://nsnexplorer.com/api/nsn/5340-00-356-3818.json