Product Details | MACHINE SCREW

5305-00-110-1721 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: FFS92, 328C144D4020C20, 5305-00-110-1721, 00-110-1721, 5305001101721, 001101721

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 16 SEP 1968 00-110-1721

Drawings & Photos | NSN 5305-00-110-1721


Demand History | NSN 5305-00-110-1721

Part Number Request Date QTY Origin
FFS92 2023-08-236 14 US
FFS92 2011-02-49 5 US
FFS92 2011-02-49 50 US
FFS92 2010-11-323 165 US
FFS92 2009-12-338 100 US
FFS92 2009-10-292 50 United States
FFS92 2008-03-80 50 United States

Cross Reference | NSN 5305-00-110-1721

Part Number Cage Code Manufacturer
328C144D4020C20 79500 WESTINGHOUSE ELECTRIC CORP
328C144D4020C20 97942 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN SYSTEMS
FFS92 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES

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Technical Data | NSN 5305-00-110-1721

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 1.097 INCHES MINIMUM
FASTENER LENGTH 1.250 INCHES NOMINAL
SCREW MATERIAL STEEL
SCREW MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE
SCREW SURFACE TREATMENT CADMIUM OR ZINC
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE
HEAD STYLE A39 FLAT COUNTERSUNK
HEAD DIAMETER 0.452 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
COUNTERSINK ANGLE 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE B10 SLOT
NONDEFINITIVE SPEC/STD DATA 1 TYPE AND 2S STYLE
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FFS92

Restrictions/Controls & Freight Information | NSN 5305-00-110-1721

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