# NSN 5305-00-177-5623: Screw, Lag

NSN 5305-00-177-5623 (also written 5305001775623; NIIN 00-177-5623) is a screw, lag in Federal Supply Class 5305, Screws. 3 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Nov 2026.

## Identification

- NSN: 5305-00-177-5623 (5305001775623)
- NIIN: 00-177-5623 (001775623)
- Item name: SCREW,LAG
- 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 |
| --- | --- | --- |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE TREATMENT RESPONSE AST- A153-60 |
| CTYF | NONMACHINE NOMINAL THREAD DIAMETER | INCHES 0.375 |
| CWYB | SHOULDER SHAPE | FIRST SHOULDER ROUND |
| MATT | MATERIAL | OVERALL STEEL |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | TYPE 1 AND STYLE 1 AND GRADE B |
| CQFM | HARDNESS RATING | OVERALL ROCKWELL B MINIMUM 60.0 |
| CRGF | NONMACHINE THREAD STYLE | — |
| AATN | SHOULDER DIAMETER | FIRST SHOULDER INCHES MINIMUM 0.360 AND INCHES MAXIMUM 0.388 |
| AATX | SHOULDER LENGTH | FIRST SHOULDER INCHES MINIMUM 0.125 |
| CQBC | MINIMUM TENSILE STRENGTH | POUNDS PER SQUARE INCH 55000 |
| AASK | HEAD STYLE | — |
| AASU | HEAD HEIGHT | INCHES MINIMUM 0.226 AND INCHES MAXIMUM 0.268 |
| AATB | WIDTH BETWEEN FLATS | INCHES MINIMUM 0.544 AND INCHES MAXIMUM 0.562 |
| AASB | FASTENER LENGTH | INCHES NOMINAL 6.000 |
| SFTT | SURFACE TREATMENT | OVERALL ZINC |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE MATERIAL RESPONSE FF-B-561,GRADE B |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| FFB561 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MS16992-551-ZE | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MS16992-551C | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-11-04 | $20.40 | 251 | 8BZD9 | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305001775623) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-11-04 | [SPE4A627V1545](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305001775623) | SCREW, LAG | — | $5,561.40 |
| 2026-11-04 | [SPE4A627V1505](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305001775623) | SCREW, LAG | — | $5,120.40 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5305001775623&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305001775623
- 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/5305-00-177-5623/
JSON: https://nsnexplorer.com/api/nsn/5305-00-177-5623.json