# NSN 5360-01-166-6321: Spring, Helical, Compression

NSN 5360-01-166-6321 (also written 5360011666321; NIIN 01-166-6321) is a spring, helical, compression in Federal Supply Class 5360, Coil, Flat, Leaf, and Wire Springs. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5360-01-166-6321 (5360011666321)
- NIIN: 01-166-6321 (011666321)
- Item name: SPRING,HELICAL,COMPRESSION
- 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 Q: the government lacks adequate data or rights, but breakout to competition is expected. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AARX | INSIDE DIAMETER | INCHES MINIMUM 0.347 AND INCHES MAXIMUM 0.367 |
| ABQK | END STYLE | — |
| APCN | COIL QUANTITY | 10 |
| AXJQ | SPRING SOLID LENGTH | INCHES MAXIMUM 0.746 |
| AXLH | COIL HELIX DIRECTION | RIGHT-HAND |
| AXLP | SPRING DEFLECTION RATE | POUNDS PER INCH NOMINAL 50.000 |
| AXLQ | SPRING FREE OUTSIDE DIAMETER | INCHES MINIMUM 0.487 AND INCHES MAXIMUM 0.507 |
| MATT | MATERIAL | OVERALL STEEL COMP 631 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5673 OR ASSN STD SINGLE MATERIAL RESPONSE -S 5678 |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 729416 | 99167 | HAMILTON SUNDSTRAND CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-22 | [SPE4AX22D9404/SPE4A626F474X](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5360011666321) | SPRING, HELICAL, COMPRESSION | HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE | $1,513.50 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5360011666321&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5360011666321
- 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/5360-01-166-6321/
JSON: https://nsnexplorer.com/api/nsn/5360-01-166-6321.json