# NSN 5360-00-377-3974: Spring, Helical, Compression

NSN 5360-00-377-3974 (also written 5360003773974; NIIN 00-377-3974) is a spring, helical, compression in Federal Supply Class 5360, Coil, Flat, Leaf, and Wire Springs. 8 manufacturer part numbers from 8 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5360-00-377-3974 (5360003773974)
- NIIN: 00-377-3974 (003773974)
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AXLH | COIL HELIX DIRECTION | RIGHT-HAND OR LEFT-HAND |
| ABXV | BORE DIAMETER | INCHES MINIMUM 0.416 |
| STYL | STYLE DESIGNATOR | — |
| AHQJ | ACCOMMODATED ROD DIAMETER | INCHES MINIMUM 0.335 |
| APCN | COIL QUANTITY | 13.5 |
| ASZD | LOAD RATING | POUNDS MINIMUM 1.875 AND POUNDS MAXIMUM 2.000 |
| CSZP | SPRING LENGTH UNDER LOAD | INCHES NOMINAL 0.880 |
| MATT | MATERIAL | OVERALL STEEL COMP 631 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5673 |
| AGEK | SPRING FREE LENGTH | INCHES NOMINAL 1.575 |
| AXLP | SPRING DEFLECTION RATE | POUNDS PER INCH NOMINAL 2.780 |
| AXLQ | SPRING FREE OUTSIDE DIAMETER | INCHES NOMINAL 0.408 |
| AARX | INSIDE DIAMETER | INCHES NOMINAL 0.342 |
| ABQK | END STYLE | — |
| AXJQ | SPRING SOLID LENGTH | INCHES MINIMUM 0.450 AND INCHES MAXIMUM 0.460 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 2146188 | 00679 | CASTLE INDUSTRIES INC. OF CALIFORNIA DBA M.C. GILL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2146188 | 11449 | TURBO POWER & MARINE SYSTEM INC SUB OF UNITED TECHNOLOGIES CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2146188 | 27068 | DCP SPRING ACQUISITION COMPANY, INC. DBA NEW ENGLAND SPRING DIV NEW ENGLAND SPRING | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2146188 | 52661 | RTX CORPORATION DIV PRATT & WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2146188 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2146188 | 81924 | ATOMIC ENERGY COMMISSION OAK RIDGE OPNS OFFICE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2146188 | D2018 | HOFFMANN-WERKE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5360PL0673797 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-22 | [SPE4AX25D9424/SPE4AX26F511D](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5360003773974) | SPRING, HELICAL, COMPRESSION | RTX CORPORATION DIV PRATT & WHITNEY | $444.21 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5360003773974&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5360003773974
- 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/5360-00-377-3974/
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