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National Stock Number:
5305-01-218-9774
Federal Supply Class:
5305
National Item Identification Number:
012189774
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:
| BL-10581 | 08424 | BRANDT CABINET WORKS INC | | BL-10581 | 08484 | BREEZE-EASTERN LLC |
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Techincal Specification:
| SHOULDER SHAPE | ROUND FIRST SHOULDER | | SPECIAL FEATURES | UNDERCUT BELOW SHOULDER O.134 INCH MIN,0.144 INCH MAX DIA; 0.040 INCH MIN,0.050 INCH MAX LENGTH | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.272 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNF | | FASTENER LENGTH | 0.718 INCHES NOMINAL | | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM OVERALL AND 36.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.406 INCHES NOMINAL | | HEAD HEIGHT | 0.094 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000,COND C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP E4340 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SHOULDER DIAMETER | 0.2493 INCHES MINIMUM FIRST SHOULDER AND 0.2497 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.396 INCHES MINIMUM FIRST SHOULDER AND 0.406 INCHES MAXIMUM FIRST SHOULDER |
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