# NSN 5340-00-427-8723: Seat, Helical Compression Spring

NSN 5340-00-427-8723 (also written 5340004278723; NIIN 00-427-8723) is a seat, helical compression spring in Federal Supply Class 5340, Hardware, Commercial. 3 manufacturer part numbers from 3 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5340-00-427-8723 (5340004278723)
- NIIN: 00-427-8723 (004278723)
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-23)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| APGF | DESIGN TYPE | SOLID |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FED SPEC SINGLE MATERIAL RESPONSE QQ-S-763 |
| MATT | MATERIAL | STEEL COMP 202 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 309 OR STEEL COMP 310 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 322 OR STEEL COMP 324 OR STEEL COMP 347 OR STEEL COMP 633 OR STEEL COMP 634 OR STEEL COMP 403 OR STEEL COMP 405 OR STEEL COMP 410 OR STEEL COMP 414 OR STEEL COMP 416 OR STEEL COMP 416SE OR STEEL COMP 420 OR STEEL COMP 430 OR STEEL COMP 430F OR STEEL COMP 430FSE OR STEEL COMP 431 OR STEEL COMP 440A OR STEEL COMP 440B OR STEEL COMP 440C OR STEEL COMP 440F OR STEEL COMP 440FSE OR STEEL COMP 446 |
| SFTT | SURFACE TREATMENT | PASSIVATE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| S9404-59 | 2N935 | BOEING DISTRIBUTION SERVICES X, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| S9404-59 | 59364 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| S9404-59 | 99193 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL | [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=5340004278723&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5340004278723
- 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/5340-00-427-8723/
JSON: https://nsnexplorer.com/api/nsn/5340-00-427-8723.json