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National Stock Number:
5305-00-439-6253
Federal Supply Class:
5305
National Item Identification Number:
004396253
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.
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Manufacturer Information:
| 5305PL0953908 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | 717124430802 | 0000V | NCB HUNGARY HONVEDSEGI EGYSEGES TERMEKKOD | | 7791024 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | AATN | | FASTENER LENGTH | 0.353 INCHES MINIMUM AND 0.397 INCHES MAXIMUM | | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.240 INCHES MINIMUM AND 0.255 INCHES MAXIMUM | | HEAD HEIGHT | 0.068 INCHES MINIMUM AND 0.092 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL | STEEL COMP 1137 OR STEEL COMP 1141 OVERALL | | NOMINAL THREAD DIAMETER | 0.086 INCHES | | SHOULDER DIAMETER | 0.140 INCHES MINIMUM AND 0.143 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.064 INCHES MINIMUM AND 0.068 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SURFACE TREATMENT | PHOSPHATE OVERALL | | THREAD CLASS | 2A | | THREAD LENGTH | 0.270 INCHES MINIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 64 | | THREAD SERIES DESIGNATOR | UNF |
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