Product Details | EXTERNALLY RELIEVED BODY SCREW

5305-01-252-3056 An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and 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. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.

Part Alternates: 5305-01-252-3056, 01-252-3056, 5305012523056, 012523056

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01-252-3056

Drawings & Photos | NSN 5305-01-252-3056


Cross Reference | NSN 5305-01-252-3056

Part Number Cage Code Manufacturer
4209-M07-F09 04729 UNICORP
6175-SS-0632 1YGB8 CAREY MANUFACTURING COMPANY, INC. DBA AMATOM ELECTRONIC HARDWARE
747-0.812-SS-12NS 51506 ACCURATE SCREWMACHINE CORPORATION DBA A S M
GS553P06C13 26512 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NORTHROP GRUMMAN AEROSPACE

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Technical Data | NSN 5305-01-252-3056

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 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM
FASTENER LENGTH 0.792 INCHES MINIMUM AND 0.812 INCHES MAXIMUM
MATERIAL STEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE C67 KNURLED NO. 2
HEAD DIAMETER 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM
HEAD HEIGHT 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
INTERNAL DRIVE STYLE D14 SLOT
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 1
FIRST DIAMETER FROM HEAD 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
SPECIAL FEATURES POINT STYLE NO. 6 DIM. 0.079 IN. MIN,0.095 IN. MAX DIA,0.124 IN. LG,POINT ANGLE 55.0 DEGREE MIN,65.0 DEGREE MAX

Restrictions/Controls & Freight Information | NSN 5305-01-252-3056

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