Product Details | MACHINE SCREW

5305-01-264-5049 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: AIC39C4A6, 5305-01-264-5049, 01-264-5049, 5305012645049, 012645049

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 02 OCT 1987 01-264-5049

Drawings & Photos | NSN 5305-01-264-5049


Demand History | NSN 5305-01-264-5049

Part Number Request Date QTY Origin
5305-01-264-5049 2015-01-21 6 CA
5305-01-264-5049 2014-02-42 100 US

Cross Reference | NSN 5305-01-264-5049

Part Number Cage Code Manufacturer
AIC39C4A6 06725 SPS TECHNOLOGIES LLC DBA AIR INDUSTRIES

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Technical Data | NSN 5305-01-264-5049

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
FASTENER LENGTH 0.790 INCHES MINIMUM AND 0.810 INCHES MAXIMUM
SCREW MATERIAL IRON ALLOY 660
SCREW SURFACE TREATMENT PASSIVATE
HEAD STYLE A39 FLAT COUNTERSUNK
HEAD DIAMETER 0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM
HEAD HEIGHT 0.425 INCHES MAXIMUM
COUNTERSINK ANGLE 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE B2 CROSS RECESS TYPE 11

Restrictions/Controls & Freight Information | NSN 5305-01-264-5049

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