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National Stock Number:
5305-01-371-4796
Federal Supply Class:
5305
National Item Identification Number:
013714796
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:
| 10113775 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 704-211-2 | 55761 | EFRATOM TIME & FREQUENCY PRODUCTS INC | | 900154-2 | 36452 | DRS TECHNOLOGIES CANADA LTD | | 900154-2 | 38200 | DRS TECHNOLOGIES CANADA LTD. | | SEELSKREW SFR/4-40X5/16 | 97539 | APM HEXSEAL CORP | | SFR/4-40X5/16 | 97539 | APM HEXSEAL CORP |
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Techincal Specification:
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL | | FASTENER LENGTH | 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM | | FEATURES PROVIDED | O RING | | HEAD DIAMETER | 0.225 INCHES NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | SCREW MATERIAL | STEEL CORROSION RESISTING | | SCREW SURFACE TREATMENT | PASSIVATE | | SPECIAL FEATURES | O RING MATL: SILICONE RUBBER PER ZZ-R-765 CL 1 & 2 GR 70 RED | | THREAD CLASS | 2A | | THREAD LENGTH | 0.281 INCHES NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 40 | | THREAD SERIES DESIGNATOR | UNC |
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