NSN 5305-00-412-9797 · NIIN 004129797 · FSC 5305
NO DASHES 5305004129797
In Stock
SCREW,LAG
Screws
Technical characteristics
16 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 |
|---|---|---|
| AATB | WIDTH BETWEEN FLATS | INCHES MINIMUM 0.725 AND INCHES MAXIMUM 0.750 |
| AASU | HEAD HEIGHT | INCHES MINIMUM 0.302 AND INCHES MAXIMUM 0.364 |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | TYPE 1 AND STYLE 1 AND GRADE B |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE MATERIAL RESPONSE FF-B-561,GRADE B |
| SFTT | SURFACE TREATMENT | OVERALL ZINC |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE TREATMENT RESPONSE AST- A153 |
| CTYF | NONMACHINE NOMINAL THREAD DIAMETER | INCHES 0.500 |
| CWYB | SHOULDER SHAPE | FIRST SHOULDER ROUND |
| MATT | MATERIAL | OVERALL STEEL |
| CQFM | HARDNESS RATING | OVERALL ROCKWELL B MINIMUM 60.0 |
| CRGF | NONMACHINE THREAD STYLE | |
| AASB | FASTENER LENGTH | INCHES NOMINAL 6.000 |
| AATN | SHOULDER DIAMETER | FIRST SHOULDER INCHES MINIMUM 0.482 AND INCHES MAXIMUM 0.515 |
| AATX | SHOULDER LENGTH | FIRST SHOULDER INCHES MINIMUM 0.156 |
| CQBC | MINIMUM TENSILE STRENGTH | POUNDS PER SQUARE INCH 55000 |
| AASK | HEAD STYLE |
Cross-references
4 manufacturer part numbers on file for this NSN — each shown against the CAGE code it belongs to.
| Manufacturer part number | CAGE |
|---|---|
| FFB561 | 81348 |
| MS16992-589 | 96906 |
| B1821BH050C600N | 0R503 |
| ASTMB18.2.1 | 0R503 |
Supersedes
This item replaces cancelled NIINs 000427116 · 002065896. An older drawing citing one of those numbers resolves here.