Product Details | MACHINE SCREW

5305-01-321-7939 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: AN501D41614, AN501D416-14, 5305-01-321-7939, 01-321-7939, 5305013217939, 013217939

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 23 JUN 1990 01-321-7939

Drawings & Photos | NSN 5305-01-321-7939


Cross Reference | NSN 5305-01-321-7939

Part Number Cage Code Manufacturer
AN501D416-14 88044 AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE

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Technical Data | NSN 5305-01-321-7939

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM
FASTENER LENGTH 0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM
SCREW MATERIAL STEEL COMP 302
SCREW MATERIAL DOCUMENT AND CLASSIFICATION FED 66,TY 302 FED STD SINGLE MATERIAL RESPONSE
SCREW SURFACE TREATMENT CADMIUM
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY1,CL302 FED SPEC SINGLE TREATMENT RESPONSE
MINIMUM TENSILE STRENGTH 60000 POUNDS PER SQUARE INCH
HEAD STYLE A33 FILLISTER
HEAD DIAMETER 0.389 INCHES MINIMUM AND 0.414 INCHES MAXIMUM
HEAD HEIGHT 0.161 INCHES MINIMUM AND 0.170 INCHES MAXIMUM
INTERNAL DRIVE STYLE B10 SLOT
SPECIFICATION/STANDARD DATA 88044-AN501D416-14 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MANUFACTURERS CODE 88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE AN501D416-14

Restrictions/Controls & Freight Information | NSN 5305-01-321-7939

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