Product Details | MACHINE SCREW

5305-01-412-0891 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: 5305-01-412-0891, 01-412-0891, 5305014120891, 014120891

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01-412-0891

Drawings & Photos | NSN 5305-01-412-0891


Demand History | NSN 5305-01-412-0891

Part Number Request Date QTY Origin
5305-01-412-0891 2009-08-216 10 United Kingdom
5305-01-412-0891 2008-08-240 16 US

Cross Reference | NSN 5305-01-412-0891

Part Number Cage Code Manufacturer
1/4-20UNC-2A X 1/2"LG CRES 316 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
418359-283 96214 RAYTHEON COMPANY DBA RAYTHEON
FF-S-92 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
MS24693-94B 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
MS24693-C94 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT

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Technical Data | NSN 5305-01-412-0891

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS NC
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
FASTENER LENGTH 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
SCREW MATERIAL STEEL CORROSION RESISTING
SCREW MATERIAL DOCUMENT AND CLASSIFICATION FED STD 66 FED STD SINGLE MATERIAL RESPONSE
HEAD SURFACE TREATMENT OXIDE
COLOR BLACK
HEAD STYLE A39 FLAT COUNTERSUNK
HEAD DIAMETER 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
COUNTERSINK ANGLE 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE B1 CROSS RECESS TYPE 1
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS24693-94

Restrictions/Controls & Freight Information | NSN 5305-01-412-0891

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