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National Stock Number:
5305-00-495-5558
Federal Supply Class:
5305
National Item Identification Number:
004955558
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:
| 343-0309-000 | 13499 | ROCKWELL COLLINS, INC. | | 343-0309-000 | 77250 | ALLIED PRODUCTS CORP PHEOLL MFG CO DIV | | P343-0309-000 | 77250 | ALLIED PRODUCTS CORP PHEOLL MFG CO DIV | | 343-0309-000 | 95105 | ROCKWELL COLLINS, INC. |
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Techincal Specification:
| FASTENER LENGTH | 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM | | HEAD DIAMETER | 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM | | HEAD HEIGHT | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM | | HEAD STYLE | PAN | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | SCREW MATERIAL | COPPER ALLOY | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-N-290 CL1 TY7 FED SPEC SINGLE TREATMENT RESPONSE | | SCREW SURFACE TREATMENT | NICKEL | | THREAD CLASS | 2A | | THREAD LENGTH | 0.282 INCHES MINIMUM AND 0.375 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC |
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