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National Stock Number:
5305-01-225-1269
Federal Supply Class:
5305
National Item Identification Number:
012251269
Description:
SCREW,MACHINE
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.
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Manufacturer Information:
| SM-C-969941-1 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| FASTENER LENGTH | 0.350 INCHES MINIMUM AND 0.365 INCHES MAXIMUM | | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM | | HEAD HEIGHT | 0.035 INCHES MINIMUM AND 0.040 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | ASTM 581 ASSN STD SINGLE MATERIAL RESPONSE | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE | | SCREW MATERIAL | STEEL COMP 416 | | SCREW SURFACE TREATMENT | PASSIVATE | | SPECIAL FEATURES | SOCKET HOLE IN THREAD END,LENGTH 0.040 WIDTH ACROSS FLATS 0.050 TO 0.051 | | WIDTH BETWEEN FLATS | 0.187 INCHES NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.262 INCHES MINIMUM AND 0.365 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 40 |
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