# NSN 5305-00-042-5578: Screw, Assembled Washer

NSN 5305-00-042-5578 (also written 5305000425578; NIIN 00-042-5578) is a screw, assembled washer in Federal Supply Class 5305, Screws. 2 manufacturer part numbers from 2 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5305-00-042-5578 (5305000425578)
- NIIN: 00-042-5578 (000425578)
- Item name: SCREW,ASSEMBLED WASHER
- 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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-11-08)
- Acquisition method code: 4

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | INCHES MINIMUM 0.335 AND INCHES MAXIMUM 0.406 |
| AASB | FASTENER LENGTH | INCHES MINIMUM 0.406 AND INCHES MAXIMUM 0.438 |
| AASK | HEAD STYLE | — |
| AASU | HEAD HEIGHT | INCHES MINIMUM 0.172 AND INCHES MAXIMUM 0.190 |
| AATB | WIDTH BETWEEN FLATS | INCHES MINIMUM 0.428 AND INCHES MAXIMUM 0.437 |
| AAVW | WASHER QUANTITY | 1 |
| ABQZ | INTERNAL DRIVE STYLE | — |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 0.250 |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CSPG | PRIMARY WASHER OUTSIDE DIAMETER | INCHES MINIMUM 0.460 AND INCHES MAXIMUM 0.475 |
| CTHW | PRIMARY WASHER STYLE | — |
| CTJJ | PRIMARY WASHER MATERIAL THICKNESS | INCHES MINIMUM 0.023 AND INCHES MAXIMUM 0.028 |
| MATT | MATERIAL | OVERALL STEEL COMP 1010 OR STEEL COMP 1020 OR STEEL COMP 1050 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD ALL MATERIAL RESPONSES SAE |
| SFTT | SURFACE TREATMENT | OVERALL CADMIUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD ALL TREATMENT RESPONSES NAS672 80205 |
| THSD | THREAD SERIES DESIGNATOR | UNF |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 425578 | 24617 | GENERAL MOTORS CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 425578 | 7X677 | GENERAL MOTORS LLC DBA GENERAL MOTORS LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A6-27-T-9844 | 206 | 2026-11-13 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5305000425578&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5305000425578&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305000425578
- 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/5305-00-042-5578/
JSON: https://nsnexplorer.com/api/nsn/5305-00-042-5578.json