Product Details | MACHINE SCREW

5305-00-985-4191 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: 5305-00-985-4191, 00-985-4191, 5305009854191, 009854191

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 00-985-4191

Drawings & Photos | NSN 5305-00-985-4191


Cross Reference | NSN 5305-00-985-4191

Part Number Cage Code Manufacturer
HT8A25 73197 HI-SHEAR CORPORATION

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Technical Data | NSN 5305-00-985-4191

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.500 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.781 INCHES MINIMUM
FASTENER LENGTH 2.281 INCHES NOMINAL
SCREW MATERIAL STEEL COMP 431
SCREW MATERIAL DOCUMENT AND CLASSIFICATION 66 FED STD SINGLE MATERIAL RESPONSE
HEAD STYLE A39 FLAT COUNTERSUNK
HEAD DIAMETER 1.007 INCHES MINIMUM AND 1.014 INCHES MAXIMUM
COUNTERSINK ANGLE 100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE B6 HIGH-TORQUE
MANUFACTURERS CODE 73197
DESIGN CONTROL REFERENCE HT8A24

Restrictions/Controls & Freight Information | NSN 5305-00-985-4191

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
Category Code Description
No Freight Information