Product Details | STEPPED STUD

5307-01-103-2638 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: MS17294028, MS17294-028, 5307-01-103-2638, 01-103-2638, 5307011032638, 011032638

Hardware and Abrasives | Studs

Supply Group (FSG) NSN Assign. NIIN
53 10 NOV 1980 01-103-2638

Drawings & Photos | NSN 5307-01-103-2638


Cross Reference | NSN 5307-01-103-2638

Part Number Cage Code Manufacturer
MS17294-028 73342 ALLISON TRANSMISSION, INC.
MS17294-028 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 5307-01-103-2638

Characteristic Specifications
MATERIAL STEEL COMP 8740
MATERIAL DOCUMENT AND CLASSIFICATION AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATOR 120 STEPPED
SHANK DIAMETER 0.221 INCHES MINIMUM AND 0.231 INCHES MAXIMUM
OVERALL LENGTH 1.219 INCHES NOMINAL
THREAD SERIES DESIGNATOR UNJF NUT THREAD UNS STUD THREAD
NOMINAL THREAD SIZE 0.250 INCHES NUT THREAD 0.312 INCHES STUD THREAD
THREAD CLASS 3A NUT THREAD
THREAD QUANTITY PER INCH 28 NUT THREAD 18 STUD THREAD
THREAD PITCH DIAMETERS 0.2870 TO 0.2885 INCHES STUD THREAD
THREAD DIRECTION RIGHT-HAND NUT THREAD RIGHT-HAND STUD THREAD
THREAD LENGTH 0.562 INCHES NOMINAL NUT THREAD 0.469 INCHES NOMINAL STUD THREAD
III HARDNESS RATING 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
III SURFACE FINISH 32.0 MICROINCHES NUT THD 62.0 MICROINCHES SHANK 32.0 MICROINCHES STUD THD
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS17294-028

Restrictions/Controls & Freight Information | NSN 5307-01-103-2638

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