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National Stock Number:
5305-00-621-9821
Federal Supply Class:
5305
National Item Identification Number:
006219821
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:
| 257-22-2 | 89944 | ELBITAMERICA, INC. |
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Techincal Specification:
| FASTENER LENGTH | 0.312 INCHES NOMINAL | | HEAD DIAMETER | 0.151 INCHES MINIMUM AND 0.156 INCHES MAXIMUM | | HEAD HEIGHT | 0.066 INCHES MINIMUM AND 0.072 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-611,GRADE C-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY 268 OVERALL | | NOMINAL THREAD DIAMETER | 0.086 INCHES | | SHOULDER DIAMETER | 0.101 INCHES MINIMUM AND 0.106 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.153 INCHES MINIMUM AND 0.159 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | CI-1,FSCM 89944 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.156 INCHES MINIMUM | | THREAD CLASS | 2A | | THREAD QUANTITY PER INCH | 64 | | THREAD SERIES DESIGNATOR | UNF |
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