Product Details | MACHINE SCREW

5305-01-535-6257 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.

Part Alternates: MS24694A122, MS24694-A122, 5305-01-535-6257, 01-535-6257, 5305015356257, 015356257

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 06 DEC 2005 01-535-6257

Drawings & Photos | NSN 5305-01-535-6257


Cross Reference | NSN 5305-01-535-6257

Part Number Cage Code Manufacturer
MS24694-A122 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-01-535-6257

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 0.515 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
FASTENER LENGTH 2.203 INCHES MINIMUM AND 2.250 INCHES MAXIMUM
SCREW MATERIAL ALUMINUM ALLOY 2024
HEAD STYLE A39 FLAT COUNTERSUNK
HEAD DIAMETER 0.447 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
COUNTERSINK ANGLE 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE B1 CROSS RECESS TYPE 1
III END ITEM IDENTIFICATION CHINOOK CH-47D HELICOPTER

Restrictions/Controls & Freight Information | NSN 5305-01-535-6257

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.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature 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
No Freight Information