Product Details | MACHINE SCREW

5305-01-312-8491 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: MS24694C199, MS24694-C199, 5305-01-312-8491, 01-312-8491, 5305013128491, 013128491

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 22 DEC 1989 01-312-8491

Drawings & Photos | NSN 5305-01-312-8491


Demand History | NSN 5305-01-312-8491

Part Number Request Date QTY Origin
5305-01-312-8491 2015-09-273 13 US
MS24694C199 2010-10-280 6 US
5305-01-312-8491 2010-10-279 2 US

Cross Reference | NSN 5305-01-312-8491

Part Number Cage Code Manufacturer
MS24694-C199 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
MS24694-C199 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 5305-01-312-8491

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.375 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.687 INCHES NOMINAL
FASTENER LENGTH 1.531 INCHES MINIMUM AND 1.562 INCHES MAXIMUM
SCREW MATERIAL STEEL COMP 302 OR STEEL COMP 304
SCREW MATERIAL DOCUMENT AND CLASSIFICATION 66 FED STD ALL MATERIAL RESPONSES
SCREW SURFACE TREATMENT PASSIVATE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
MINIMUM TENSILE STRENGTH 85000 POUNDS PER SQUARE INCH
HEAD STYLE A39 FLAT COUNTERSUNK
HEAD DIAMETER 0.686 INCHES MINIMUM AND 0.762 INCHES MAXIMUM
COUNTERSINK ANGLE 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE B1 CROSS RECESS TYPE 1

Restrictions/Controls & Freight Information | NSN 5305-01-312-8491

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