# NSN 5340-01-202-3312: Seat, Helical Compression Spring

NSN 5340-01-202-3312 (also written 5340012023312; NIIN 01-202-3312) is a seat, helical compression spring in Federal Supply Class 5340, Hardware, Commercial. 1 manufacturer part number from 1 supplier is on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5340-01-202-3312 (5340012023312)
- NIIN: 01-202-3312 (012023312)
- 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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-28)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAWY | COUNTERBORE DIAMETER | INCHES MINIMUM 0.3390 AND INCHES MAXIMUM 0.3490 |
| ABPR | FIRST STEP DIAMETER | INCHES MINIMUM 0.5910 AND INCHES MAXIMUM 0.6010 |
| ALME | MATERIAL HARDNESS RATING | ROCKWELL C MAXIMUM 23.0 |
| AMFZ | SECOND END DIAMETER | INCHES MINIMUM 0.4290 AND INCHES MAXIMUM 0.4390 |
| BBRB | END DIAMETER | INCHES NOMINAL 0.3800 |
| MATT | MATERIAL | STEEL UNS S21800 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASSN STD SINGLE MATERIAL RESPONSE UNS S21800 |
| ZZZV | FSC APPLICATION DATA | VALVE,PRESSURE REGULATOR |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 788079-1 | 73030 | HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A5-27-T-1994 | 5 | 2026-11-09 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5340012023312&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5340012023312&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5340012023312
- 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/5340-01-202-3312/
JSON: https://nsnexplorer.com/api/nsn/5340-01-202-3312.json