5305-01-311-3056 SCREW,CAP,HEXAGON HEAD Index 5305-01-311-3058 SCREW,SHOULDER

National Stock Number:
5305-01-311-3057

Federal Supply Class:
5305

National Item Identification Number:
013113057

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:
1560-EG-11981996U S ARMY AVIATION AND MISSILE COMMAND


Techincal Specification:
FASTENER LENGTH3.360 INCHES MINIMUM AND 3.380 INCHES MAXIMUM
HEAD DIAMETER0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
HEAD HEIGHT0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
HEAD STYLEFLAT CHAMFER
INTERNAL DRIVE STYLESLOT
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD 1ST MATERIAL RESPONSE OR 66 FED STD 2ND MATERIAL RESPONSE OR 66 FED STD 3RD MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 630 OR STEEL COMP 416 OR STEEL COMP 420 OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES
SHOULDER DIAMETER0.496 INCHES MINIMUM AND 0.498 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM FIRST SHOULDER
SHOULDER SHAPEROUND FIRST SHOULDER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 TY 2 FED SPEC SINGLE TREATMENT RESPONSE OR QQ-P-35 TY 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.620 INCHES NOMINAL
THREAD QUANTITY PER INCH16
THREAD SERIES DESIGNATORUNC


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