5305-00-207-9901 THUMBSCREW Index 5305-00-207-9910 THUMBSCREW

National Stock Number:
5305-00-207-9902

Federal Supply Class:
5305

National Item Identification Number:
002079902

Description:
SCREW,SHOULDER

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 IN.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below No. 10 (0.190 IN.) (5 mm) nominal diameter. No. 10 (0.190 IN.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use SCREW, EXTERNALLY RELIEVED BODY. For items with a No. 10 (0.190 IN.) (5 mm) or larger thread diameter without an inserted driver head, use BOLT, SHOULDER. Excludes BOLT, INTERNAL WRENCHING and SCREW, CAP, SOCKET HEAD.


Manufacturer Information:
03P20114057733STEWART-WARNER CORPORATION
A3723-1615280NORTHROP GRUMMAN SYSTEMS CORPORATION DIV ES DEFENSIVE SYSTEMS DIVISION
A3723-1626916NORTHROP GRUMMAN SYSTEMS CORPORATION
A3723-1655631SCOMILL INC
A3723-1697638LIGHT METALS CORP
SMB7848080063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
FASTENER LENGTH0.281 INCHES NOMINAL
HEAD DIAMETER0.250 INCHES NOMINAL
HEAD HEIGHT0.062 INCHES NOMINAL
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLESLOT
MATERIALCOPPER ALLOY 377 OVERALL
NOMINAL THREAD DIAMETER0.112 INCHES
SHOULDER DIAMETER0.124 INCHES MINIMUM AND 0.127 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH0.094 INCHES NOMINAL FIRST SHOULDER
SHOULDER SHAPEROUND FIRST SHOULDER
SPECIAL FEATURESBLACK NICKEL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION72-53,TABLE 2,TY 1 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTNICKEL OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.156 INCHES MINIMUM
THREAD QUANTITY PER INCH40
THREAD SERIES DESIGNATORUNC


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