Product Details | MACHINE SCREW

5305-00-208-1898 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: FFS92TYPE1STYLE2S, 5305-00-208-1898, 00-208-1898, 5305002081898, 002081898

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-208-1898

Drawings & Photos | NSN 5305-00-208-1898


Cross Reference | NSN 5305-00-208-1898

Part Number Cage Code Manufacturer
FFS92TYPE1STYLE2S 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES

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Technical Data | NSN 5305-00-208-1898

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.312 INCHES
THREAD QUANTITY PER INCH 18
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 2.000 INCHES NOMINAL
FASTENER LENGTH 4.000 INCHES NOMINAL
SCREW MATERIAL STEEL
HEAD STYLE A39 FLAT COUNTERSUNK
HEAD DIAMETER 0.600 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
COUNTERSINK ANGLE 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE B10 SLOT
NONDEFINITIVE SPEC/STD DATA 2S STYLE AND 1 TYPE
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FFS92TYPE1STYLE2S

Restrictions/Controls & Freight Information | NSN 5305-00-208-1898

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
NMF Description 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating U 50
Less than truck load rating W Rating Variable
Water commodity Code 713 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable