NSN 5305-00-249-0591 · NIIN 002490591 · FSC 5305
NO DASHES 5305002490591
In Stock
SETSCREW
Screws
Technical characteristics
15 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 |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | INCHES MINIMUM 1.438 AND INCHES MAXIMUM 1.500 |
| AASK | HEAD STYLE | |
| AASU | HEAD HEIGHT | INCHES MINIMUM 0.178 AND INCHES MAXIMUM 0.196 |
| AATB | WIDTH BETWEEN FLATS | INCHES MINIMUM 0.241 AND INCHES MAXIMUM 0.250 |
| ABQJ | POINT STYLE | |
| ABQZ | INTERNAL DRIVE STYLE | |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 0.250 |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQFM | HARDNESS RATING | OVERALL ROCKWELL C MINIMUM 45.0 AND ROCKWELL C MAXIMUM 53.0 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | SETSCREW |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED STD ALL MATERIAL RESPONSES 66 |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | TYPE A |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
Cross-references
2 manufacturer part numbers on file for this NSN — each shown against the CAGE code it belongs to.
| Manufacturer part number | CAGE |
|---|---|
| FF-S-21 | 81348 |
| MIL-B-933TYPEA | 81349 |