Product Details | LAG SCREW

5305-00-252-1538 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, 5305-00-252-1538, 00-252-1538, 5305002521538, 002521538

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-252-1538

Drawings & Photos | NSN 5305-00-252-1538


Cross Reference | NSN 5305-00-252-1538

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

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Technical Data | NSN 5305-00-252-1538

Characteristic Specifications
NONMACHINE THREAD STYLE A11 CONE POINT OR A13 GIMLET POINT
NONMACHINE NOMINAL THREAD DIAMETER 0.625 INCHES
FASTENER LENGTH 5.900 INCHES MINIMUM AND 6.000 INCHES MAXIMUM
MATERIAL STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A307-68,GR A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING 60.0 ROCKWELL B MINIMUM OVERALL
MINIMUM TENSILE STRENGTH 55000 POUNDS PER SQUARE INCH
HEAD STYLE C13 SQUARE
HEAD HEIGHT 0.400 INCHES MINIMUM AND 0.444 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.906 INCHES MINIMUM AND 0.937 INCHES MAXIMUM
SHOULDER SHAPE ROUND FIRST SHOULDER
SHOULDER DIAMETER 0.605 INCHES MINIMUM AND 0.642 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH 0.312 INCHES MINIMUM FIRST SHOULDER
NONDEFINITIVE SPEC/STD DATA 1 TYPE OR 2 TYPE AND 2 STYLE AND B GRADE
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FFB561

Restrictions/Controls & Freight Information | NSN 5305-00-252-1538

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
NMF Description 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating U 50
Less than truck load rating W Rating Variable
Water commodity Code 573 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable