Part Number
Part Number:
NSN:
NIIN:
Item Name:
SCREW , LAG
Definition:
AN EXTERNALLY THREADED FASTENER HAVING A SQUARE OR HEXAGON HEAD AND WITH A CONTINUOUS THREAD (WOOD SCREW TYPE OR FETTER TYPE) EXTENDING FROM A GIMLET OR CONE POINT FOR A DISTANCE OF SLIGHTLY MORE THAN ONE-HALF THE LENGTH OF THE SCREW.
CAGE Information
Code | Company |
---|---|
81348 | FEDERAL SPECIFICATIONS PROMULGATED B |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
SFTT | SURFACE TREATMENT | ZINC OVERALL |
SFTT | SURFACE TREATMENT | ZINC OVERALL |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM A153-60 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
AATB | WIDTH BETWEEN FLATS | 0.906 INCHES MINIMUM AND 0.937 INCHES MAXIMUM |
ZZZT | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 1 STYLE AND B GRADE |
AASU | HEAD HEIGHT | 0.378 INCHES MINIMUM AND 0.444 INCHES MAXIMUM |
CTYF | NONMACHINE NOMINAL THREAD DIAMETER | 0.625 INCHES |
CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
AASB | FASTENER LENGTH | 5.000 INCHES NOMINAL |
AATN | SHOULDER DIAMETER | 0.605 INCHES MINIMUM FIRST SHOULDER AND 0.642 INCHES MAXIMUM FIRST SHOULDER |
MATT | MATERIAL | STEEL OVERALL |
CQFM | HARDNESS RATING | 60.0 ROCKWELL B MINIMUM OVERALL |
AASK | HEAD STYLE | HEXAGON |
CQBC | MINIMUM TENSILE STRENGTH | 55000 POUNDS PER SQUARE INCH |
AATX | SHOULDER LENGTH | 0.312 INCHES MINIMUM FIRST SHOULDER |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FF-B-561,GRADE B FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
CRGF | NONMACHINE THREAD STYLE | GIMLET POINT (TYPE A, AB OR BA) |