# NSN 5305-01-197-3491: Screw, Shoulder

NSN 5305-01-197-3491 (also written 5305011973491; NIIN 01-197-3491) is a screw, shoulder in Federal Supply Class 5305, Screws. 1 manufacturer part number from 1 supplier is on record. No purchases are on record yet.

## Identification

- NSN: 5305-01-197-3491 (5305011973491)
- NIIN: 01-197-3491 (011973491)
- 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 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | INCHES NOMINAL 0.300 |
| AASB | FASTENER LENGTH | INCHES NOMINAL 0.507 |
| AASK | HEAD STYLE | — |
| AASL | HEAD DIAMETER | INCHES MINIMUM 0.610 AND INCHES MAXIMUM 0.630 |
| AASU | HEAD HEIGHT | INCHES NOMINAL 0.190 |
| AATN | SHOULDER DIAMETER | FIRST SHOULDER INCHES NOMINAL 0.354 |
| AATX | SHOULDER LENGTH | FIRST SHOULDER INCHES NOMINAL 0.157 |
| ABQZ | INTERNAL DRIVE STYLE | — |
| AHYM | NOMINAL THREAD DIAMETER | MILLIMETERS 6.0 |
| CQQR | THREAD PITCH IN MILLIMETERS | 1.0 |
| CWYB | SHOULDER SHAPE | FIRST SHOULDER ROUND |
| MATT | MATERIAL | OVERALL STEEL COMP 303 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE AST- A582 |
| SFTT | SURFACE TREATMENT | OVERALL PASSIVATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC 1ST TREATMENT RESPONSE QQ--35,TY1,TY2,OR TY3 |
| THSD | THREAD SERIES DESIGNATOR | M |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 2844866-1 | 52088 | LOCKHEED MARTIN CORPORATION DIV RMS - MANASSAS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5305011973491&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305011973491
- 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/5305-01-197-3491/
JSON: https://nsnexplorer.com/api/nsn/5305-01-197-3491.json