Product Details | LAG SCREW

5305-00-256-6227 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.

Part Alternates: FFB561, 5305-00-256-6227, 00-256-6227, 5305002566227, 002566227

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-256-6227

Drawings & Photos | NSN 5305-00-256-6227


Cross Reference | NSN 5305-00-256-6227

Part Number Cage Code Manufacturer
FFB561 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES

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Technical Data | NSN 5305-00-256-6227

Characteristic Specifications
NONMACHINE THREAD STYLE A13 GIMLET POINT
NONMACHINE NOMINAL THREAD DIAMETER 0.625 INCHES
FASTENER LENGTH 6.000 INCHES NOMINAL
MATERIAL STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A307,GRA ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT ZINC OVERALL
HARDNESS RATING 60.0 ROCKWELL C NOMINAL OVERALL
MINIMUM TENSILE STRENGTH 55000 POUNDS PER SQUARE INCH
HEAD STYLE C13 SQUARE
HEAD HEIGHT 0.422 INCHES NOMINAL
WIDTH BETWEEN FLATS 0.938 INCHES NOMINAL
NONDEFINITIVE SPEC/STD DATA 1 TYPE AND 2 STYLE AND B GRADE
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FFB561

Restrictions/Controls & Freight Information | NSN 5305-00-256-6227

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information