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National Stock Number:
5305-00-999-1875
Federal Supply Class:
5305
National Item Identification Number:
009991875
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:
| 7791267 | 19200 | US ARMY ARDEC RDECOM | | 7791267 | 19205 | SPRINGFIELD ARMORY |
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Techincal Specification:
| COUNTERSINK ANGLE | 44.0 DEGREES MINIMUM AND 46.0 DEGREES MAXIMUM | | FASTENER LENGTH | 1.730 INCHES MINIMUM AND 1.750 INCHES MAXIMUM | | HEAD HEIGHT | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM | | HEAD DIAMETER | 0.295 INCHES MINIMUM AND 0.305 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL | STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1117 OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SHOULDER DIAMETER | 0.211 INCHES MINIMUM AND 0.216 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER LENGTH | 0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM FIRST SHOULDER | | SURFACE TREATMENT | PHOSPHATE ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.650 INCHES MINIMUM AND 0.660 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNF |
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