Product Details | STEPPED STUD

5307-01-105-0278 A headless fastener not exceeding 12 inches (304.8 mm) in length, threaded externally on both ends on which the nominal diameter of one threaded section is greater than the other. The entire unthreaded portion must be of a single diameter equal to or smaller than the maximum major diameter of the larger threaded end. Includes radial grooves or thread reliefs. Excludes items with tapered threads.

Part Alternates: 6784209P0015, 5307-01-105-0278, 01-105-0278, 5307011050278, 011050278

Hardware and Abrasives | Studs

Supply Group (FSG) NSN Assign. NIIN
53 15 DEC 1980 01-105-0278

Drawings & Photos | NSN 5307-01-105-0278


Cross Reference | NSN 5307-01-105-0278

Part Number Cage Code Manufacturer
6784209P0015 63005 ROLLS-ROYCE CORPORATION
6784209P0015 73342 ALLISON TRANSMISSION, INC.

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Technical Data | NSN 5307-01-105-0278

Characteristic Specifications
MATERIAL STEEL
MATERIAL DOCUMENT AND CLASSIFICATION EMS85010,FSCM 24617 MFR REF SINGLE MATERIAL RESPONSE
SURFACE TREATMENT CADMIUM NUT THD CADMIUM SHANK
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE NUT THD AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE SHANK
STYLE DESIGNATOR 120 STEPPED
SHANK DIAMETER 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
OVERALL LENGTH 3.452 INCHES MINIMUM AND 3.472 INCHES MAXIMUM
THREAD SERIES DESIGNATOR UNF NUT THREAD UNS STUD THREAD
NOMINAL THREAD SIZE 0.312 INCHES NUT THREAD 0.375 INCHES STUD THREAD
THREAD CLASS 3A NUT THREAD
THREAD QUANTITY PER INCH 24 NUT THREAD 16 STUD THREAD
THREAD LENGTH 0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM NUT THREAD 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM STUD THREAD
SPECIAL FEATURES THD 0.0015 IN. OVERSIZE
CRITICALITY CODE JUSTIFICATION FEAT
III HARDNESS RATING 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
III DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM FIRST HOLE
III COTTER PIN HOLE DIAMETER 0.065 INCHES MINIMUM AND 0.072 INCHES MAXIMUM FIRST HOLE
III SURFACE FINISH 63.0 MICROINCHES OVERALL

Restrictions/Controls & Freight Information | NSN 5307-01-105-0278

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:YThe item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restriction or application.
Category Code Description
No Freight Information