Product Details | MACHINE BOLT

5306-01-269-5127 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: NAS6704LU2, 5306-01-269-5127, 01-269-5127, 5306012695127, 012695127

Hardware and Abrasives | Bolts

Supply Group (FSG) NSN Assign. NIIN
53 17 DEC 1987 01-269-5127

Drawings & Photos | NSN 5306-01-269-5127


Demand History | NSN 5306-01-269-5127

Part Number Request Date QTY Origin
NAS6704LU2 2025-08-224 100 United States

Cross Reference | NSN 5306-01-269-5127

Part Number Cage Code Manufacturer
NAS6704LU2 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5306-01-269-5127

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 0.395 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
FASTENER LENGTH 0.535 INCHES MINIMUM AND 0.565 INCHES MAXIMUM
MATERIAL IRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
HEAD STYLE C3 DISHED HEXAGON
HEAD HEIGHT 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
WIDTH BETWEEN FLATS 0.429 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
LOCKING FEATURE PELLET OR STRIP OR PATCH THREADS
GRIP LENGTH 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
FEATURES PROVIDED FINISHED HEAD
SPECIAL FEATURES WEAPON SYSTEM ESSENTIAL
SPECIFICATION/STANDARD DATA 80205-NAS6704 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
CRITICALITY CODE JUSTIFICATION FEAT

Restrictions/Controls & Freight Information | NSN 5306-01-269-5127

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:AItem does not contain precious metal
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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
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 573 unknown
Originating Activity Code KH Defense Industrial Supply Center
Philadelphia, PA 19111
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