# NSN 5305-00-850-5420: Screw, Shoulder

NSN 5305-00-850-5420 (also written 5305008505420; NIIN 00-850-5420) is a screw, shoulder in Federal Supply Class 5305, Screws. 1 manufacturer part number from 1 supplier is on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5305-00-850-5420 (5305008505420)
- NIIN: 00-850-5420 (008505420)
- Item name: SCREW,SHOULDER
- Federal Supply Class: [FSC 5305 Screws](https://nsnexplorer.com/fsc/5305/)
- Federal Supply Group: [FSG 53](https://nsnexplorer.com/group/53/)
- Acquisition method suffix code: AMSC G: the government has a complete data package and the rights to use it. (observed 2026-10-13)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| SFTT | SURFACE TREATMENT | OVERALL CADMIUM AND CHROMATE |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 0.312 |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQBC | MINIMUM TENSILE STRENGTH | POUNDS PER SQUARE INCH 160000 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 2,CL 3 |
| MATT | MATERIAL | OVERALL STEEL COMP E4340 OR STEEL COMP 4340 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150 OR STEEL COMP 4140 OR STEEL COMP 4037 OR STEEL COMP 4130 |
| AASL | HEAD DIAMETER | INCHES MINIMUM 0.629 AND INCHES MAXIMUM 0.633 |
| CQFM | HARDNESS RATING | OVERALL ROCKWELL C MINIMUM 36.0 AND ROCKWELL C MAXIMUM 40.0 |
| AATX | SHOULDER LENGTH | FIRST SHOULDER INCHES MINIMUM 0.556 AND INCHES MAXIMUM 0.578 |
| AASB | FASTENER LENGTH | INCHES MINIMUM 1.203 AND INCHES MAXIMUM 1.250 |
| AASK | HEAD STYLE | — |
| AAJD | THREAD CLASS | 3A |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| ABQZ | INTERNAL DRIVE STYLE | — |
| AATN | SHOULDER DIAMETER | FIRST SHOULDER INCHES MINIMUM 0.342 AND INCHES MAXIMUM 0.343 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | INCHES MINIMUM 0.422 AND INCHES MAXIMUM 0.572 |
| CRSQ | COUNTERSINK ANGLE | DEGREES NOMINAL 100.0 |
| CWYB | SHOULDER SHAPE | FIRST SHOULDER ROUND |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| NAS1605-11 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A6-27-T-1898 | 737 | 2026-10-20 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5305008505420&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5305008505420&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305008505420
- 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/5305-00-850-5420/
JSON: https://nsnexplorer.com/api/nsn/5305-00-850-5420.json