# NSN 5360-01-021-2221: Spring, Helical, Extension

NSN 5360-01-021-2221 (also written 5360010212221; NIIN 01-021-2221) is a spring, helical, extension in Federal Supply Class 5360, Coil, Flat, Leaf, and Wire Springs. 3 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5360-01-021-2221 (5360010212221)
- NIIN: 01-021-2221 (010212221)
- 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 2026-10-23)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AARX | INSIDE DIAMETER | INCHES NOMINAL 0.863 |
| ABQK | END STYLE | — |
| AGEK | SPRING FREE LENGTH | INCHES NOMINAL 12.324 |
| APCN | COIL QUANTITY | 67 |
| APGF | DESIGN TYPE | CLOSED |
| ASZD | LOAD RATING | POUNDS NOMINAL 98.00 |
| AXLH | COIL HELIX DIRECTION | RIGHT-HAND OR LEFT-HAND |
| AXLP | SPRING DEFLECTION RATE | POUNDS PER INCH NOMINAL 14.100 |
| AXLQ | SPRING FREE OUTSIDE DIAMETER | INCHES NOMINAL 1.187 |
| AXMC | HOOK RADIUS | BOTH ENDS INCHES NOMINAL 0.432 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-W-470 |
| SFTT | SURFACE TREATMENT | OVERALL CADMIUM AND CHROMATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC ALL TREATMENT RESPONSES QQ--416,TYE 2,CLASS 2 |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 725 | 10415 | A-1 SPRING CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 725 | 56988 | MATTHEW WARREN, INC. DBA CENTURY SPRING CORP. DIV CENTURY SPRING CORP. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| B2609-1 | 54184 | ARA, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-11 | [SPE7L226V1347](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5360010212221) | SPRING, HELICAL, EXTE | PATTERSON COONEY INC | $126.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5360010212221&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5360010212221
- 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/5360-01-021-2221/
JSON: https://nsnexplorer.com/api/nsn/5360-01-021-2221.json