Product Details | MACHINE SCREW

5305-00-811-7321 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: FFS92TYPE1STYLE8S, 5305-00-811-7321, 00-811-7321, 5305008117321, 008117321

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1962 00-811-7321

Drawings & Photos | NSN 5305-00-811-7321


Cross Reference | NSN 5305-00-811-7321

Part Number Cage Code Manufacturer
FFS92TYPE1STYLE8S 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES

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Technical Data | NSN 5305-00-811-7321

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.138 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.375 INCHES NOMINAL
FASTENER LENGTH 0.375 INCHES NOMINAL
SCREW MATERIAL COPPER ALLOY OR STEEL
SCREW SURFACE TREATMENT CADMIUM OR NICKEL
HEAD STYLE A20 BINDING
HEAD DIAMETER 0.275 INCHES MINIMUM AND 0.290 INCHES MAXIMUM
HEAD HEIGHT 0.071 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
INTERNAL DRIVE STYLE B10 SLOT
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FFS92TYPE1STYLE8S

Restrictions/Controls & Freight Information | NSN 5305-00-811-7321

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