NSN 5305-00-018-1578 · NIIN 000181578 · FSC 5305
NO DASHES 5305000181578
In Stock
SCREW,CAP,HEXAGON HEAD
Screws
Technical characteristics
17 rows
Straight from the federal item record. Entries the record leaves empty are shown empty — nothing is filled in on its behalf.
| MRC | Requirement | Value |
|---|---|---|
| SFTT | SURFACE TREATMENT | OVERALL CADMIUM OR ZINC |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC 1ST TREATMENT RESPONSE QQ--416,TY 1,CL 3 OR FED SPEC 2ND TREATMENT RESPONSE QQ-Z-325,TY 1,CL 3 |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AATB | WIDTH BETWEEN FLATS | INCHES MINIMUM 0.428 AND INCHES MAXIMUM 0.438 |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 0.250 |
| AASA | THREAD LENGTH | INCHES MINIMUM 0.750 AND INCHES MAXIMUM 0.938 |
| AASB | FASTENER LENGTH | INCHES MINIMUM 1.812 AND INCHES MAXIMUM 1.875 |
| AASK | HEAD STYLE | |
| CQHQ | MINIMUM YIELD STRENGTH | POUNDS PER SQUARE INCH 85000 |
| MATT | MATERIAL | OVERALL STEEL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE SAE GR 5 |
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASU | HEAD HEIGHT | INCHES MINIMUM 0.150 AND INCHES MAXIMUM 0.163 |
| CQFM | HARDNESS RATING | OVERALL ROCKWELL C MINIMUM 23.0 AND ROCKWELL C MAXIMUM 30.0 |
| CQBC | MINIMUM TENSILE STRENGTH | POUNDS PER SQUARE INCH 120000 |
| CMLP | THREAD QUANTITY PER INCH | 28 |
Cross-references
5 manufacturer part numbers on file for this NSN — each shown against the CAGE code it belongs to.
| Manufacturer part number | CAGE |
|---|---|
| 181578 | 21450 |
| 181578 | 24617 |
| 181578 | 7X677 |
| FFS85TYPE2STYLE10PGRADE5 | 81348 |
| 181578 | 92679 |
Supersedes
This item replaces cancelled NIIN 000109854. An older drawing citing one of those numbers resolves here.