Product Details | MACHINE SCREW

5305-01-177-1662 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: AN52642812, AN526-428-12, FFS92, FF-S-92, 5305-01-177-1662, 01-177-1662, 5305011771662, 011771662

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 20 APR 1984 01-177-1662

Drawings & Photos | NSN 5305-01-177-1662


Demand History | NSN 5305-01-177-1662

Part Number Request Date QTY Origin
FFS92 2023-08-236 14 US
FF-S-92 2014-02-59 75 United States
AN526-428-12 2013-08-229 800 Canada
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 5305-01-177-1662

Part Number Cage Code Manufacturer
AN526-428-12 88044 AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
FF-S-92 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES

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Technical Data | NSN 5305-01-177-1662

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.750 INCHES NOMINAL
FASTENER LENGTH 0.750 INCHES NOMINAL
SCREW MATERIAL STEEL COMP 1010
SCREW SURFACE TREATMENT CADMIUM
HEAD STYLE A23 PAN
HEAD DIAMETER 0.546 INCHES MINIMUM AND 0.573 INCHES MAXIMUM
HEAD HEIGHT 0.150 INCHES MAXIMUM
INTERNAL DRIVE STYLE B1 CROSS RECESS TYPE 1
SPECIFICATION/STANDARD DATA 88044-AN526/CANCELED/ GOVERNMENT STANDARD AND 81348-FF-S-92 GOVERNMENT SPECIFICATION
NONDEFINITIVE SPEC/STD DATA 1 TYPE AND 7S STYLE AND 1/4 SIZE
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FF-S-92

Restrictions/Controls & Freight Information | NSN 5305-01-177-1662

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