Product Details | MACHINE BOLT

5306-00-177-5571 An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.

Part Alternates: MS951920, MS9519-20, 0.250BSFX1.375L, 0250BSFX1375L, 5306-00-177-5571, 00-177-5571, 5306001775571, 001775571

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 05 NOV 1969 00-177-5571

Drawings & Photos | NSN 5306-00-177-5571


Demand History | NSN 5306-00-177-5571

Part Number Request Date QTY Origin
MS9519-20 2015-03-85 8 US
MS9519-20 2015-03-69 500 US
MS951920 2013-01-07 50 US
MS951920 2012-09-268 3 Taiwan
5306-00-177-5571 2008-12-354 300 DIBBS

Cross Reference | NSN 5306-00-177-5571

Part Number Cage Code Manufacturer
0.250BSFX1.375L K0378 ROLLS-ROYCE MILITARY AERO ENGINES LTD
MS9519-20 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
MS9519-20 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 5306-00-177-5571

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.750 INCHES MINIMUM AND 0.810 INCHES MAXIMUM
FASTENER LENGTH 1.375 INCHES NOMINAL
MATERIAL STEEL COMP 4037 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 6300 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH 125000 POUNDS PER SQUARE INCH
HEAD STYLE C1 HEXAGON
HEAD HEIGHT 0.156 INCHES NOMINAL
WIDTH BETWEEN FLATS 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
GRIP LENGTH 0.565 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
SURFACE FINISH 32.0 MICROINCHES BEARING SURFACE OF HEAD 32.0 MICROINCHES GRIP 32.0 MICROINCHES THREADS
FEATURES PROVIDED FINISHED HEAD

Restrictions/Controls & Freight Information | NSN 5306-00-177-5571

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
NMF Description 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 713 unknown
Originating Activity Code KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
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