Product Details | MACHINE SCREW

5305-00-638-0627 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: 5305-00-638-0627, 00-638-0627, 5305006380627, 006380627

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 00-638-0627

Drawings & Photos | NSN 5305-00-638-0627


Cross Reference | NSN 5305-00-638-0627

Part Number Cage Code Manufacturer
003-008605-009 26916 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV MULTIPLE
52A226D9-11 10001 NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT
FFS92TYPE3STYLE1C 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
MILS7839 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
NAS602-11P 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-00-638-0627

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.164 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.626 INCHES MINIMUM AND 0.688 INCHES MAXIMUM
FASTENER LENGTH 0.656 INCHES MINIMUM AND 0.688 INCHES MAXIMUM
SCREW MATERIAL STEEL
SCREW MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE
SCREW SURFACE TREATMENT CADMIUM AND CHROMATE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE
MINIMUM TENSILE STRENGTH 60000 POUNDS PER SQUARE INCH
HEAD STYLE A28 ROUND
HEAD DIAMETER 0.287 INCHES MINIMUM AND 0.309 INCHES MAXIMUM
HEAD HEIGHT 0.107 INCHES MINIMUM AND 0.120 INCHES MAXIMUM
INTERNAL DRIVE STYLE B1 CROSS RECESS TYPE 1
NONDEFINITIVE SPEC/STD DATA 3 TYPE AND 1C STYLE
DEPARTURE FROM CITED DESIGNATOR AS MODIFIED BY FASTENER LENGTH
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FFS92TYPE3STYLE1C

Restrictions/Controls & Freight Information | NSN 5305-00-638-0627

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