Quote for FFB561 Federal Specifications Part with NSN 5305-00-412-9797

Part Number:  FFB561
Manufacturer:  federal specifications
NIIN:  4129797
Item Name :  screw lag
CAGE Code:  81348
FSC:  5305 Screws
INC Code:  36433
Country:  USA
NCB Code:  00
FSG:  53 Hardware and Abrasives
Last Updated:  02-10-2026

Are you looking quote for part FFB561? The Federal Specifications-manufactured component (CAGE Code: 81348) is documented under NSN 5305-00-412-9797 as Screw Lag. For the fastest quote, please complete our RFQ form with details about FFB561. We guarantee a response within 15 minutes.

ASAP Components provides the verified FFB561, classified under INC 36433, FSG 53 Hardware and Abrasives, FSC 5305 Screws, NIIN 00-412-9797, and NCB 00. Submit your requirements today to receive immediate pricing and availability information.

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NSN Information for Part Number FFB561 with NSN 5305-00-412-9797, 5305004129797

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5305-00-412-9797

Item PartTypeName:

SCREW,LAG

53050041297970N
CIICHCCESDPMICCriticalityENAC
U A0
Part NumberISCRNVCRNCCHCCMSDSSADC
ASTMB18.2.1615

Characteristics Data of NSN 5305-00-412-9797, 5305004129797

MRCCriteriaCharacteristic
AASBFASTENER LENGTH6.000 INCHES NOMINAL
AASKHEAD STYLEHEXAGON
AASUHEAD HEIGHT0.302 INCHES MINIMUM AND 0.364 INCHES MAXIMUM
AATBWIDTH BETWEEN FLATS0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
AATNSHOULDER DIAMETER0.482 INCHES MINIMUM AND 0.515 INCHES MAXIMUM FIRST SHOULDER
AATXSHOULDER LENGTH0.156 INCHES MINIMUM FIRST SHOULDER
CQBCMINIMUM TENSILE STRENGTH55000 POUNDS PER SQUARE INCH
CQFMHARDNESS RATING60.0 ROCKWELL B MINIMUM OVERALL
CRGFNONMACHINE THREAD STYLEGIMLET POINT (TYPE A,AB OR BA)
CTYFNONMACHINE NOMINAL THREAD DIAMETER0.500 INCHES
CWYBSHOULDER SHAPEROUND FIRST SHOULDER
MATTMATERIALSTEEL OVERALL
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONFF-B-561,GRADE B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SFTTSURFACE TREATMENTZINC OVERALL
STDCSURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A153 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
ZZZTNONDEFINITIVE SPEC/STD DATA1 TYPE AND 1 STYLE AND B GRADE

Schedule B & Trade

End Use : 12110 Iron and steel products, other
Schedule B : 7318152000 (NAICS 332722) Bolts and bolts and their nuts or washers exported in the same shipment
SITC : 69421 Screws, bolts, nuts, screw hooks, rivets, washers and similar articles, threaded, of iron or steel

Identification

CRITL The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
HMIC N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
PMIC U - Precious metal content is unknown

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