Product Details | SQUARE NECK BOLT

5306-00-260-7501 A headed externally threaded fastener whose threaded portion is of one nominal diameter, with a square neck directly beneath the head.

Part Alternates: FFB584TYPE1CLASS1STYLEA, 5306-00-260-7501, 00-260-7501, 5306002607501, 002607501

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 01-JAN-63 00-260-7501

Cross Reference | NSN 5306-00-260-7501

Part Number Cage Code Manufacturer
FFB584TYPE1CLASS1STYLEA 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
MS35751-35 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
MS35751-35 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 5306-00-260-7501

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 1.000 INCHES MINIMUM
FASTENER LENGTH 7.500 INCHES NOMINAL
MATERIAL STEEL OVERALL
SURFACE TREATMENT ZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 95.0 ROCKWELL B MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 55000 POUNDS PER SQUARE INCH
HEAD STYLE B30 BUTTON
HEAD DIAMETER 0.563 INCHES MINIMUM AND 0.594 INCHES MAXIMUM
HEAD HEIGHT 0.125 INCHES MINIMUM AND 0.145 INCHES MAXIMUM
NECK LENGTH 0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM
NECK WIDTH 0.245 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA 1 TYPE AND 1 CLASS AND A STYLE
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FFB584TYPE1CLASS1STYLEA

Restrictions/Controls & Freight Information | NSN 5306-00-260-7501

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
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